CN207198375U - A kind of device for preparing Fiber Bragg Grating FBG - Google Patents
A kind of device for preparing Fiber Bragg Grating FBG Download PDFInfo
- Publication number
- CN207198375U CN207198375U CN201721153527.3U CN201721153527U CN207198375U CN 207198375 U CN207198375 U CN 207198375U CN 201721153527 U CN201721153527 U CN 201721153527U CN 207198375 U CN207198375 U CN 207198375U
- Authority
- CN
- China
- Prior art keywords
- laser
- hollow
- organic solution
- core
- fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000835 fiber Substances 0.000 claims abstract description 65
- 239000013307 optical fiber Substances 0.000 claims abstract description 51
- 238000007493 shaping process Methods 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 238000006073 displacement reaction Methods 0.000 claims description 19
- 230000003287 optical effect Effects 0.000 claims description 17
- 239000006096 absorbing agent Substances 0.000 claims description 14
- 239000003960 organic solvent Substances 0.000 claims description 11
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 8
- 239000004038 photonic crystal Substances 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 2
- 239000003708 ampul Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000000737 periodic effect Effects 0.000 claims 1
- IQVVSTXAINGURX-UHFFFAOYSA-N propan-2-one;pyrene Chemical compound CC(C)=O.C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 IQVVSTXAINGURX-UHFFFAOYSA-N 0.000 claims 1
- 238000003860 storage Methods 0.000 description 15
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 238000010884 ion-beam technique Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
Landscapes
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Abstract
本实用新型公开了一种制备光纤布拉格光栅的装置，包括激光器装置、激光整形装置、激光干涉装置、夹持移动装置及有机溶液填充装置，夹持移动装置的液体填充端口连接有机溶液填充装置的输出端口，激光器装置向激光整形装置发射激光，激光整形装置对激光进行整形处理后发射至激光干涉装置，激光干涉装置将激光分为两束激光，两束激光进行干涉，得到周期性分布的激光干涉条纹，有机溶液填充装置将有机溶液填充和附着在空芯光纤的内壁表面，夹持移动装置将内壁表面填充和附着有有机溶液的空芯光纤移至激光干涉条纹所在的区域，使得空芯光纤的空气纤芯位于激光干涉条纹焦平面上，从而可以更加简单便捷的制备光纤布拉格光栅。
The utility model discloses a device for preparing an optical fiber Bragg grating, which comprises a laser device, a laser shaping device, a laser interference device, a clamping and moving device and an organic solution filling device, and the liquid filling port of the clamping and moving device is connected to the organic solution filling device. At the output port, the laser device emits laser light to the laser shaping device. The laser shaping device shapes the laser light and sends it to the laser interference device. The laser interference device divides the laser into two laser beams, and the two laser beams interfere to obtain periodically distributed laser Interference fringes, the organic solution filling device fills and attaches the organic solution to the inner wall surface of the hollow-core fiber, and the clamping and moving device moves the hollow-core fiber filled with the organic solution on the inner wall surface to the area where the laser interference fringes are located, so that the hollow core The air core of the optical fiber is located on the focal plane of the laser interference fringe, so that the fiber Bragg grating can be prepared more simply and conveniently.
Description
技术领域technical field
本实用新型属于光纤光栅技术领域，尤其涉及一种制备光纤布拉格光栅的装置。The utility model belongs to the technical field of optical fiber gratings, in particular to a device for preparing optical fiber Bragg gratings.
背景技术Background technique
光纤布拉格光栅是一种反射型光纤光栅器件，其在光纤通信和光纤传感领域应用广泛，现有技术中，制备光纤布拉格光栅的方法主要是离子束刻蚀法和超快激光加工法。离子束刻蚀法和超快激光加工法理论上可以针对任意光纤进行光纤布拉格光栅的制备，但是，因空芯光纤具有特殊的空气纤芯结构，使用离子束刻蚀和超快激光加工法直接在空芯光纤内写制光纤布拉格光栅时，需要将激光精确聚焦在空芯光纤的内壁，增加制备复杂度。Fiber Bragg grating is a reflective fiber Bragg grating device, which is widely used in the fields of optical fiber communication and optical fiber sensing. In the prior art, the methods for preparing fiber Bragg grating are mainly ion beam etching method and ultrafast laser processing method. Ion beam etching and ultrafast laser processing can theoretically prepare fiber Bragg gratings for any fiber. However, because the hollow core fiber has a special air core structure, ion beam etching and ultrafast laser processing can directly When writing a fiber Bragg grating in a hollow-core fiber, it is necessary to precisely focus the laser on the inner wall of the hollow-core fiber, which increases the complexity of the preparation.
因此，现有技术中存在着利用离子束刻蚀法和超快激光加工法制备光纤布拉格光栅时，需要将激光精确聚焦在空芯光纤的内壁，增加制备复杂度的技术问题。Therefore, in the prior art, when using ion beam etching and ultrafast laser processing to prepare fiber Bragg gratings, the laser needs to be precisely focused on the inner wall of the hollow-core fiber, which increases the technical problem of preparation complexity.
实用新型内容Utility model content
本实用新型的主要目的在于提出一种制备光纤布拉格光栅的装置，旨在解决现有技术中存在的利用离子束刻蚀法和超快激光加工法制备光纤布拉格光栅时，需要将激光精确聚焦在空芯光纤的内壁，增加制备复杂度的技术问题。The main purpose of this utility model is to propose a device for preparing fiber Bragg gratings, which aims to solve the problem in the prior art that laser beams need to be precisely focused on The inner wall of the hollow-core optical fiber increases the technical problem of manufacturing complexity.
为实现上述目的，本实用新型提供一种制备光纤布拉格光栅的装置，所述装置包括激光器装置、激光整形装置、激光干涉装置、夹持移动装置及有机溶液填充装置；In order to achieve the above object, the utility model provides a device for preparing fiber Bragg gratings, the device includes a laser device, a laser shaping device, a laser interference device, a clamping and moving device and an organic solution filling device;
所述夹持移动装置的液体填充端口连接所述有机溶液填充装置的输出端口；The liquid filling port of the clamping mobile device is connected to the output port of the organic solution filling device;
所述激光器装置向所述激光整形装置发射激光，所述激光整形装置对所述激光进行整形处理，并将整形处理后的激光发射至所述激光干涉装置，所述激光干涉装置将整形处理后的激光分为两束激光，两束所述激光进行干涉，得到周期性分布的激光干涉条纹，所述有机溶液填充装置将有机溶液填充和附着在空芯光纤的内壁表面，所述夹持移动装置将内壁表面填充和附着有有机溶液的空芯光纤移动至所述激光干涉条纹所在的区域，并使得所述空芯光纤的空气纤芯位于所述激光干涉条纹的焦平面上。The laser device emits laser light to the laser shaping device, and the laser shaping device performs shaping processing on the laser light, and emits the laser light after shaping processing to the laser interference device, and the laser interference device The laser is divided into two laser beams, and the two laser beams interfere to obtain periodically distributed laser interference fringes. The organic solution filling device fills and attaches the organic solution to the inner wall surface of the hollow-core optical fiber, and the clamping movement The device moves the hollow-core optical fiber whose inner wall surface is filled and attached with organic solution to the area where the laser interference fringes are located, and makes the air core of the hollow-core optical fiber be located on the focal plane of the laser interference fringes.
进一步地，所述有机溶液填充装置包括液体贮存室、第一填充导管、第二填充导管、压力泵及真空吸附器；Further, the organic solution filling device includes a liquid storage chamber, a first filling conduit, a second filling conduit, a pressure pump and a vacuum adsorber;
所述压力泵与所述液体贮存室的一端连接，所述液体贮存室的另一端与所述第一填充导管的一端连接，所述第一填充导管的另一端与所述空芯光纤的一端连接，所述空芯光纤的另一端与所述第二填充导管的一端连接，所述第二填充导管的另一端与所述真空吸附器连接。The pressure pump is connected to one end of the liquid storage chamber, the other end of the liquid storage chamber is connected to one end of the first filling conduit, the other end of the first filling conduit is connected to one end of the hollow-core optical fiber connected, the other end of the hollow-core optical fiber is connected to one end of the second filling conduit, and the other end of the second filling conduit is connected to the vacuum absorber.
进一步地，所述液体贮存室中贮存有机溶剂。Further, the organic solvent is stored in the liquid storage chamber.
进一步地，所述有机溶剂具有吸收激光的性质。Further, the organic solvent has the property of absorbing laser light.
进一步地，所述有机溶剂为甲苯溶液或掺芘的丙酮溶液。Further, the organic solvent is toluene solution or pyrene-doped acetone solution.
进一步地，所述激光干涉装置为光学相位掩膜版或激光双光束干涉光路。Further, the laser interference device is an optical phase mask or a laser double-beam interference optical path.
进一步地，所述激光双光束干涉光路包括一个激光分束镜、一个长行程电动位移平台及一对旋转反射镜；Further, the laser double-beam interference optical path includes a laser beam splitter, a long-stroke electric displacement platform and a pair of rotating mirrors;
所述激光分束镜及所述旋转反射镜安装在所述长行程电动位移平台上；The laser beam splitter and the rotating mirror are installed on the long-stroke electric displacement platform;
所述激光分束镜将所述激光分成两束激光，每一束激光射在一个所述旋转反射镜上。The laser beam splitter splits the laser light into two laser beams, and each laser beam is shot on one of the rotating mirrors.
进一步地，所述空芯光纤为空芯光子带隙光纤，或Kagome结构光子晶体光纤，或空芯石英管或空芯反谐振光纤。Further, the hollow-core fiber is a hollow-core photonic bandgap fiber, or a Kagome structure photonic crystal fiber, or a hollow-core quartz tube or a hollow-core antiresonant fiber.
本实用新型提出的一种制备光纤布拉格光栅的装置，装置包括激光器装置、激光整形装置、激光干涉装置、夹持移动装置及有机溶液填充装置，夹持移动装置的液体填充端口连接有机溶液填充装置的输出端口，激光器装置向激光整形装置发射激光，激光整形装置对激光进行整形处理，并将整形处理后的激光发射至激光干涉装置，激光干涉装置将整形处理后的激光分为两束激光，两束激光进行干涉，得到周期性分布的激光干涉条纹，有机溶液填充装置将有机溶液填充和附着在空芯光纤的内壁表面，夹持移动装置将内壁表面填充和附着有有机溶液的空芯光纤移动至激光干涉条纹所在的区域，并使得空芯光纤的空气纤芯位于激光干涉条纹的焦平面上。与现有技术相比，利用有机溶液填充装置，在将有机溶液填充和附着在空芯光纤的内壁表面之后，将内壁表面填充和附着有有机溶液的空芯光纤移动至激光干涉条纹所在的区域，并使得空芯光纤的空气纤芯位于激光干涉条纹的焦平面上，便可以直接写制光纤布拉格光栅，不需要将激光精确聚焦在空芯光纤的内壁，从而更加简单便捷的制备光纤布拉格光栅。The utility model proposes a device for preparing fiber Bragg gratings. The device includes a laser device, a laser shaping device, a laser interference device, a clamping and moving device and an organic solution filling device. The liquid filling port of the clamping and moving device is connected to the organic solution filling device. The output port of the laser device, the laser device emits laser light to the laser shaping device, the laser shaping device performs shaping processing on the laser light, and emits the shaped laser light to the laser interference device, and the laser interference device divides the shaped laser light into two beams of laser light, The two laser beams interfere to obtain periodically distributed laser interference fringes. The organic solution filling device fills and attaches the organic solution to the inner wall surface of the hollow-core optical fiber, and the clamping and moving device fills and attaches the organic solution to the inner wall surface of the hollow-core optical fiber. Move to the area where the laser interference fringes are located, and make the air core of the hollow-core fiber be on the focal plane of the laser interference fringes. Compared with the prior art, using the organic solution filling device, after the organic solution is filled and attached to the inner wall surface of the hollow-core optical fiber, the hollow-core optical fiber with the inner wall surface filled and attached with the organic solution is moved to the area where the laser interference fringes are located , and the air core of the hollow-core fiber is located on the focal plane of the laser interference fringe, the fiber Bragg grating can be written directly, without the need to precisely focus the laser on the inner wall of the hollow-core fiber, making it easier and more convenient to prepare the fiber Bragg grating .
附图说明Description of drawings
图1是本实用新型第一实施例提供的一种制备光纤布拉格光栅的装置的结构示意图；Fig. 1 is a schematic structural view of a device for preparing a fiber Bragg grating provided in the first embodiment of the present invention;
图2是本实用新型第一实施例提供的一种制备光纤布拉格光栅的装置的另一结构示意图；Fig. 2 is another structural schematic diagram of a device for preparing a fiber Bragg grating provided by the first embodiment of the present invention;
图3是本实用新型第一实施例提供的一种制备光纤布拉格光栅的装置的细化结构示意图。Fig. 3 is a schematic diagram of a detailed structure of a device for preparing a fiber Bragg grating provided by the first embodiment of the present invention.
具体实施方式Detailed ways
为使得本实用新型的实用新型目的、特征、优点能够更加的明显和易懂，下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而非全部实施例。基于本实用新型中的实施例，本领域技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical solutions in the utility model embodiment will be clearly and completely described below in conjunction with the accompanying drawings in the utility model embodiment, Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present utility model.
为了说明本实用新型的技术方案，下面通过具体实施例来进行说明。In order to illustrate the technical solution of the utility model, the following specific examples are used for illustration.
为了更好的理解本实用新型，请参阅图1所示的一种制备光纤布拉格光栅的装置的结构示意图、图2所示的一种制备光纤布拉格光栅的装置的另一结构示意图及图3所示的一种制备光纤布拉格光栅的装置的细化结构示意图，装置包括激光器装置10、激光整形装置20、激光干涉装置30、夹持移动装置40及有机溶液填充装置50；For a better understanding of the present invention, please refer to a schematic structural view of a device for preparing an optical fiber Bragg grating shown in Fig. A schematic diagram of the detailed structure of a device for preparing fiber Bragg gratings, the device includes a laser device 10, a laser shaping device 20, a laser interference device 30, a clamping and moving device 40, and an organic solution filling device 50;
夹持移动装置40的液体填充端口连接有机溶液填充装置50的输出端口；The liquid filling port of the clamping mobile device 40 is connected to the output port of the organic solution filling device 50;
激光器装置10向激光整形装置20发射激光，激光整形装置20对激光进行整形处理，并将整形处理后的激光发射至激光干涉装置30，激光干涉装置30将整形处理后的激光分为两束激光，两束激光进行干涉，得到周期性分布的激光干涉条纹，有机溶液填充装置50将有机溶液填充和附着在空芯光纤60的内壁表面，夹持移动装置40将内壁表面填充和附着有有机溶液的空芯光纤60移动至激光干涉条纹所在的区域，并使得空芯光纤60的空气纤芯位于激光干涉条纹的焦平面上。The laser device 10 emits laser light to the laser shaping device 20, the laser shaping device 20 performs shaping processing on the laser light, and emits the shaped laser light to the laser interference device 30, and the laser interference device 30 divides the shaped laser light into two laser beams , the two laser beams interfere to obtain periodically distributed laser interference fringes, the organic solution filling device 50 fills and attaches the organic solution to the inner wall surface of the hollow-core optical fiber 60, and the clamping mobile device 40 fills and attaches the organic solution to the inner wall surface The hollow-core fiber 60 is moved to the region where the laser interference fringes are located, and the air core of the hollow-core fiber 60 is located on the focal plane of the laser interference fringes.
在本实用新型实施例中，如图2所示，空芯光纤60包括包层和空气纤芯，有机溶液附着在空芯光纤60的内壁表面，两束激光进行干涉，得到周期性分布的激光干涉条纹。In the embodiment of the present invention, as shown in Figure 2, the hollow-core fiber 60 includes a cladding and an air core, the organic solution is attached to the inner wall surface of the hollow-core fiber 60, and the two laser beams interfere to obtain periodically distributed laser light. interference fringes.
在本实用新型实施例中，如图3所示，激光器装置10提供制备光纤布拉格光栅所需的激光能量，激光器装置10由Nd-YAG激光器101及倍频器102组成，激光整形装置20由预置个数的反射镜201及透镜组件202组成，通过调节每个反射镜201的角度，可以将激光光束按照预设角度输出，其中，预置个数的反射镜201可以根据实际情况进行设定，优选为两个反射镜201，通过调节透镜组件202中的各个透镜的位置，以改变焦点，从而对激光进行整形，激光整形模块通过对激光的整形从而调控激光光斑的能量分布和出射方向。In the embodiment of the present utility model, as shown in FIG. 3 , the laser device 10 provides the laser energy required for preparing fiber Bragg gratings. The laser device 10 is composed of an Nd-YAG laser 101 and a frequency doubler 102. The laser shaping device 20 consists of a pre- It consists of a preset number of reflectors 201 and a lens assembly 202. By adjusting the angle of each reflector 201, the laser beam can be output according to a preset angle. The preset number of reflectors 201 can be set according to the actual situation. , preferably two reflectors 201, by adjusting the position of each lens in the lens assembly 202 to change the focal point, thereby shaping the laser light, the laser shaping module adjusts the energy distribution and emission direction of the laser spot by shaping the laser light.
其中，激光器装置10中的激光器为高能量脉冲激光器，可以是纳秒脉冲激光器或亚纳秒脉冲激光器或皮秒脉冲激光器，按照类型分类，激光器可以是准分子激光器、气体激光器、固体激光器、半导体激光器、光纤激光器等。Wherein, the laser in the laser device 10 is a high-energy pulse laser, which can be a nanosecond pulse laser or a sub-nanosecond pulse laser or a picosecond pulse laser. According to the type classification, the laser can be an excimer laser, a gas laser, a solid-state laser, a semiconductor lasers, fiber lasers, etc.
其中，激光器装置10输出的激光波长可以为193nm、213nm、248nm、266nm、313nm、355nm、532nm中的一种。Wherein, the laser wavelength output by the laser device 10 may be one of 193nm, 213nm, 248nm, 266nm, 313nm, 355nm, and 532nm.
进一步地，空芯光纤60为空芯光子带隙光纤，或Kagome结构光子晶体光纤，或空芯石英管，或空芯反谐振光纤。Further, the hollow-core fiber 60 is a hollow-core photonic bandgap fiber, or a Kagome structure photonic crystal fiber, or a hollow-core quartz tube, or a hollow-core antiresonant fiber.
进一步地，激光干涉装置30为光学相位掩膜版或激光双光束干涉光路301。Further, the laser interference device 30 is an optical phase mask or a laser double-beam interference optical path 301 .
如图3所示，激光双光束干涉光路301包括一个激光分束镜3011、一个长行程电动位移平台3012及一对旋转反射镜3013；As shown in Figure 3, the laser double-beam interference optical path 301 includes a laser beam splitter 3011, a long-stroke electric displacement platform 3012 and a pair of rotating mirrors 3013;
激光分束镜3011及旋转反射镜3013安装在长行程电动位移平台3012上；The laser beam splitter 3011 and the rotating mirror 3013 are installed on the long-stroke electric displacement platform 3012;
激光分束镜3011将激光分成两束激光，每一束激光射在一个旋转反射镜3013上。The laser beam splitter 3011 splits the laser into two laser beams, and each beam of laser light is shot on a rotating mirror 3013 .
在本实用新型实施例中，通过对光学相位掩膜版或激光双光束干涉光路301的调整，使得两束激光在空间发生干涉，得到周期性分布的激光干涉条纹。In the embodiment of the present invention, by adjusting the optical phase mask or the laser double-beam interference optical path 301, the two laser beams interfere in space to obtain periodically distributed laser interference fringes.
其中，上述激光分束镜3011可以为激光半反半透镜或光学相位掩膜版。Wherein, the above-mentioned laser beam splitter 3011 may be a laser half mirror or an optical phase mask.
其中，长行程电动位移平台3012为一维电动位移平台。Among them, the long-stroke electric displacement platform 3012 is a one-dimensional electric displacement platform.
在本实用新型实施例中，利用激光干涉装置30可以根据需求设计不同周期的光纤布拉格光栅。In the embodiment of the present invention, fiber Bragg gratings with different periods can be designed according to requirements by using the laser interference device 30 .
进一步地，夹持移动装置40由一对光纤夹具、一对三维位移平台、一个长行程电动位移平台及转接板构成。Further, the clamping and moving device 40 is composed of a pair of optical fiber clamps, a pair of three-dimensional displacement platforms, a long-stroke electric displacement platform and an adapter plate.
在本实用新型实施例中，调节光纤夹具及三维位移平台，使得空芯光纤60垂直于激光的入射方向，调节长行程电动位移平台，使其沿着激光的入射方向移动，直到空芯光纤60的空气纤芯处于激光干涉条纹的焦平面上。In the embodiment of the present invention, the optical fiber clamp and the three-dimensional displacement platform are adjusted so that the hollow-core fiber 60 is perpendicular to the incident direction of the laser, and the long-stroke electric displacement platform is adjusted to move along the incident direction of the laser until the hollow-core optical fiber 60 The air core of is on the focal plane of the laser interference fringes.
其中，可以通过观察空芯光纤60的背后的衍射光的形貌从而判断空芯光纤60是否处于焦平面上。Wherein, it can be judged whether the hollow-core fiber 60 is on the focal plane by observing the appearance of the diffracted light behind the hollow-core fiber 60 .
进一步地，有机溶液填充装置50包括液体贮存室501、第一填充导管502、第二填充导管503、压力泵504及真空吸附器505；Further, the organic solution filling device 50 includes a liquid storage chamber 501, a first filling conduit 502, a second filling conduit 503, a pressure pump 504 and a vacuum absorber 505;
压力泵504与液体贮存室501的一端连接，液体贮存室501的另一端与第一填充导管502的一端连接，第一填充导管502的另一端与空芯光纤60的一端连接，空芯光纤60的另一端与第二填充导管503的一端连接，第二填充导管503的另一端与真空吸附器505连接。The pressure pump 504 is connected to one end of the liquid storage chamber 501, the other end of the liquid storage chamber 501 is connected to one end of the first filling conduit 502, the other end of the first filling conduit 502 is connected to one end of the hollow-core optical fiber 60, and the hollow-core optical fiber 60 The other end of the second filling conduit 503 is connected to one end of the second filling conduit 503, and the other end of the second filling conduit 503 is connected to the vacuum absorber 505.
进一步地，液体贮存室501中贮存有机溶剂。Further, the organic solvent is stored in the liquid storage chamber 501 .
进一步地，有机溶剂具有吸收激光的性质。Furthermore, the organic solvent has the property of absorbing laser light.
在本实用新型实施例中，空芯光纤60的两端分别与第一填充导管502的一端及第二填充导管503的一端密封连接，开启压力泵504进行加压，液体贮存室501内的有机溶液在压力泵504的作用下通过第一填充导管502流出，进入空芯光纤60的空气纤芯中，开启真空吸附器505，通过真空吸附器505抽出填充在空气纤芯中的预置容量的有机溶液，抽出的有机溶液经过第二填充导管503回流到真空吸附器505里面，由于有机溶液的表面张力作用，剩余的有机溶液附着在空芯光纤60的内壁表面。In the embodiment of the present utility model, the two ends of the hollow-core optical fiber 60 are respectively sealed and connected to one end of the first filling conduit 502 and one end of the second filling conduit 503, and the pressure pump 504 is turned on to pressurize, and the organic matter in the liquid storage chamber 501 The solution flows out through the first filling conduit 502 under the action of the pressure pump 504, enters the air core of the hollow-core optical fiber 60, turns on the vacuum absorber 505, and draws out the pre-set capacity filled in the air core through the vacuum absorber 505. Organic solution, the extracted organic solution flows back into the vacuum absorber 505 through the second filling conduit 503 , and the remaining organic solution adheres to the inner wall surface of the hollow-core optical fiber 60 due to the surface tension of the organic solution.
在本实用新型实施例中，有机溶液附着在空芯光纤60的内壁表面，该有机溶液具有吸收激光的性质，基于空芯光纤60内壁表面的有机溶液对激光的吸收作用从而局部加热，冲击空芯光纤60内壁，形成光栅刻痕，该制备方式广泛适用各种脉冲激光。In the embodiment of the present invention, the organic solution is attached to the inner wall surface of the hollow-core optical fiber 60. The organic solution has the property of absorbing laser light. Based on the absorption of the laser light by the organic solution on the inner wall surface of the hollow-core optical fiber 60, the organic solution is locally heated and impacts the air. The inner wall of the core fiber 60 is formed with grating marks, and this preparation method is widely applicable to various pulsed lasers.
进一步地，制备光纤布拉格光栅的具体流程为：Further, the specific process for preparing fiber Bragg gratings is as follows:
开启激光器装置10并以第一预设激光输出功率向激光整形装置20发射激光；Turn on the laser device 10 and emit laser light to the laser shaping device 20 with a first preset laser output power;
激光整形装置20对激光进行整形处理，并将整形处理后的激光发射至激光干涉装置30；The laser shaping device 20 performs shaping processing on the laser light, and emits the shaped laser light to the laser interference device 30;
激光干涉装置30将整形处理后的激光分为两束激光，两束激光进行干涉，得到周期性分布的激光干涉条纹；The laser interference device 30 divides the shaped laser into two laser beams, and the two laser beams interfere to obtain periodically distributed laser interference fringes;
有机溶液填充装置50将有机溶液填充和附着在空芯光纤60的内壁表面；The organic solution filling device 50 fills and attaches the organic solution to the inner wall surface of the hollow-core optical fiber 60;
夹持移动装置40将内壁表面填充和附着有有机溶液的空芯光纤60移动至激光干涉条纹所在的区域，并使得空芯光纤60的空气纤芯位于激光干涉条纹的焦平面上；The clamping and moving device 40 moves the hollow-core optical fiber 60 whose inner wall surface is filled and attached with an organic solution to the area where the laser interference fringes are located, and makes the air core of the hollow-core optical fiber 60 be located on the focal plane of the laser interference fringes;
激光器装置10以第二预设激光输出功率进行激光干涉曝光，写制光纤布拉格光栅，第二预设激光输出功率大于第一预设激光输出功率。The laser device 10 performs laser interference exposure with a second preset laser output power to write a fiber Bragg grating, and the second preset laser output power is greater than the first preset laser output power.
在本实用新型实施例中，开启激光器装置10，进行预热，在激光输出功率稳定时，调低激光输出功率。In the embodiment of the present invention, the laser device 10 is turned on for preheating, and when the laser output power is stable, the laser output power is lowered.
其中，调整激光整形模块20包括若干反射镜201和透镜组202，调整反射镜201，将激光按照预设角度射出，调整透镜组202，以调整焦距，对激光进行整形。Wherein, the adjusting laser shaping module 20 includes several mirrors 201 and lens groups 202. The adjusting mirrors 201 emit the laser light according to a preset angle, and the adjusting lens groups 202 adjust the focal length to shape the laser light.
其中，激光干涉装置30为光学相位掩膜版或激光双光束干涉光路301，激光双光束干涉光路301包括一个激光分束镜3011、一个长行程电动位移平台3012及一对旋转反射镜3013，通过对光学相位掩膜版或激光双光束干涉光路301的调整，使得两束激光在空间发生干涉，得到周期性分布的激光干涉条纹，其中，上述激光分束镜3011可以为激光半反半透镜或光学相位掩膜版，长行程电动位移平台3012为一维电动位移平台。Among them, the laser interference device 30 is an optical phase mask or a laser double-beam interference optical path 301. The laser double-beam interference optical path 301 includes a laser beam splitter 3011, a long-stroke electric displacement platform 3012 and a pair of rotating mirrors 3013. The adjustment of the optical phase mask or the laser double-beam interference optical path 301 makes the two laser beams interfere in space to obtain periodically distributed laser interference fringes, wherein the above-mentioned laser beam splitter 3011 can be a laser half-reflective half-lens or Optical phase mask, long-stroke electric displacement platform 3012 is a one-dimensional electric displacement platform.
在本实用新型实施例中，利用激光干涉装置30可以根据需求设计不同周期的光纤布拉格光栅。In the embodiment of the present invention, fiber Bragg gratings with different periods can be designed according to requirements by using the laser interference device 30 .
其中，第二预设激光输出功率大于第一预设激光输出功率。Wherein, the second preset laser output power is greater than the first preset laser output power.
进一步地，有机溶液填充装置50将有机溶液填充和附着在空芯光纤60的内壁表面的步骤包括：Further, the steps of the organic solution filling device 50 filling and adhering the organic solution on the inner wall surface of the hollow-core optical fiber 60 include:
通过压力泵将液体贮存室中的有机溶液经过第一填充导管引入空芯光纤60的空气纤芯中；The organic solution in the liquid storage chamber is introduced into the air core of the hollow-core optical fiber 60 through the first filling conduit by a pressure pump;
通过真空吸附器抽出填充在空气纤芯中的预置容量的有机溶液，以便剩余的有机溶液附着在空芯光纤60的内壁表面。A preset volume of organic solution filled in the air core is drawn out by a vacuum absorber so that the remaining organic solution adheres to the inner wall surface of the hollow-core optical fiber 60 .
有机溶液填充装置50包括液体贮存室501、第一填充导管502、第二填充导管503、压力泵504及真空吸附器505，压力泵504与液体贮存室501的一端连接，液体贮存室501的另一端与第一填充导管502的一端连接，第一填充导管502的另一端与空芯光纤60的一端连接，空芯光纤60的另一端与第二填充导管503的一端连接，第二填充导管503的另一端与真空吸附器505连接，液体贮存室501中贮存有机溶剂，有机溶剂具有吸收激光的性质，有机溶剂可以为甲苯溶液或掺芘的丙酮溶液。The organic solution filling device 50 comprises a liquid storage chamber 501, a first filling conduit 502, a second filling conduit 503, a pressure pump 504 and a vacuum absorber 505, the pressure pump 504 is connected with one end of the liquid storage chamber 501, and the other end of the liquid storage chamber 501 One end is connected with one end of the first filling conduit 502, the other end of the first filling conduit 502 is connected with one end of the hollow-core optical fiber 60, the other end of the hollow-core optical fiber 60 is connected with one end of the second filling conduit 503, and the second filling conduit 503 The other end of the other end is connected with the vacuum absorber 505, and the organic solvent is stored in the liquid storage chamber 501. The organic solvent has the property of absorbing laser light, and the organic solvent can be toluene solution or acetone solution doped with pyrene.
在本实用新型实施例中，空芯光纤60的两端分别与第一填充导管502及第二填充导管503的一端密封连接，开启压力泵504进行加压，液体贮存室501内的有机溶液在压力泵504的作用下通过第一填充导管502流出，进入空芯光纤60的空气纤芯中，开启真空吸附器505，通过真空吸附器505抽出填充在空气纤芯中的预置容量的有机溶液，抽出的有机溶液经过第二填充导管503回流到真空吸附器505里面，由于有机溶液的表面张力作用，剩余的有机溶液附着在空芯光纤60的内壁表面。In the embodiment of the present utility model, the two ends of the hollow-core optical fiber 60 are respectively sealed and connected to one end of the first filling conduit 502 and the second filling conduit 503, and the pressure pump 504 is turned on for pressurization, and the organic solution in the liquid storage chamber 501 is Under the action of the pressure pump 504, it flows out through the first filling conduit 502, enters the air core of the hollow-core optical fiber 60, turns on the vacuum absorber 505, and draws out the organic solution filled in the air core with a preset capacity through the vacuum absorber 505 , the extracted organic solution flows back into the vacuum absorber 505 through the second filling conduit 503, and the remaining organic solution adheres to the inner wall surface of the hollow-core optical fiber 60 due to the surface tension of the organic solution.
在本实用新型实施例中，有机溶液附着在空芯光纤60的内壁表面，该有机溶液具有吸收激光的性质，基于空芯光纤60内壁表面的有机溶液对激光的吸收作用从而局部加热，冲击空芯光纤60内壁，形成光栅刻痕，该制备方式广泛适用各种脉冲激光。In the embodiment of the present invention, the organic solution is attached to the inner wall surface of the hollow-core optical fiber 60. The organic solution has the property of absorbing laser light. Based on the absorption of the laser light by the organic solution on the inner wall surface of the hollow-core optical fiber 60, the organic solution is locally heated and impacts the air. The inner wall of the core fiber 60 is formed with grating marks, and this preparation method is widely applicable to various pulsed lasers.
其中，夹持移动装置40由一对光纤夹具、一对三维位移平台、一个长行程电动位移平台及转接板构成。Wherein, the clamping and moving device 40 is composed of a pair of optical fiber clamps, a pair of three-dimensional displacement platforms, a long-stroke electric displacement platform and an adapter plate.
在本实用新型实施例中，调节光纤夹具及三维位移平台，使得空芯光纤60垂直于激光的入射方向，调节长行程电动位移平台，使其沿着激光的入射方向移动，直到空芯光纤60的空气纤芯处于激光干涉条纹的焦平面上。In the embodiment of the present invention, the optical fiber clamp and the three-dimensional displacement platform are adjusted so that the hollow-core fiber 60 is perpendicular to the incident direction of the laser, and the long-stroke electric displacement platform is adjusted to move along the incident direction of the laser until the hollow-core optical fiber 60 The air core of is on the focal plane of the laser interference fringes.
其中，可以通过观察空芯光纤60的背后的衍射光的形貌从而判断空芯光纤60是否处于焦平面上。Wherein, it can be judged whether the hollow-core fiber 60 is on the focal plane by observing the appearance of the diffracted light behind the hollow-core fiber 60 .
在本实用新型实施例中，开启激光器装置10并以第一预设激光输出功率向激光整形装置20发射激光，激光整形装置20对激光进行整形处理，并将整形处理后的激光发射至激光干涉装置30，激光干涉装置30将整形处理后的激光分为两束激光，两束激光进行干涉，得到周期性分布的激光干涉条纹，有机溶液填充装置50将有机溶液填充和附着在空芯光纤60的内壁表面，夹持移动装置40将内壁表面填充和附着有有机溶液的空芯光纤60移动至激光干涉条纹所在的区域，并使得空芯光纤60的空气纤芯位于激光干涉条纹的焦平面上，激光器装置10以第二预设激光输出功率进行激光干涉曝光，写制光纤布拉格光栅，第二预设激光输出功率大于第一预设激光输出功率。与现有技术相比，利用设置了有机溶液填充装置50的制备光纤布拉格光栅的装置，在将有机溶液填充和附着在空芯光纤60的内壁表面之后，将内壁表面填充和附着有有机溶液的空芯光纤60移动至激光干涉条纹所在的区域，并使得空芯光纤60的空气纤芯位于激光干涉条纹的焦平面上，便可以直接写制光纤布拉格光栅，不需要将激光精确聚焦在空芯光纤60的内壁，从而更加简单便捷的制备光纤布拉格光栅。In the embodiment of the present utility model, the laser device 10 is turned on and emits laser light to the laser shaping device 20 with the first preset laser output power. Device 30, the laser interference device 30 divides the laser beam after shaping into two laser beams, and the two laser beams interfere to obtain periodically distributed laser interference fringes. The organic solution filling device 50 fills and attaches the organic solution to the hollow-core optical fiber 60 The inner wall surface of the inner wall surface, the clamping and moving device 40 moves the hollow-core optical fiber 60 whose inner wall surface is filled and attached with an organic solution to the area where the laser interference fringes are located, and makes the air core of the hollow-core optical fiber 60 lie on the focal plane of the laser interference fringes , the laser device 10 performs laser interference exposure with a second preset laser output power to write a fiber Bragg grating, and the second preset laser output power is greater than the first preset laser output power. Compared with the prior art, using the device for preparing an optical fiber Bragg grating equipped with an organic solution filling device 50, after the organic solution is filled and attached to the inner wall surface of the hollow-core optical fiber 60, the inner wall surface is filled and attached with the organic solution. The hollow-core fiber 60 is moved to the area where the laser interference fringes are located, and the air core of the hollow-core fiber 60 is located on the focal plane of the laser interference fringes, so that the fiber Bragg grating can be written directly without focusing the laser on the hollow core. The inner wall of the optical fiber 60, so that the fiber Bragg grating can be prepared more simply and conveniently.
在本申请所提供的几个实施例中，应该理解到，所揭露的装置和方法，可以通过其它的方式实现。In the several embodiments provided in this application, it should be understood that the disclosed devices and methods may be implemented in other ways.
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其它实施例的相关描述。In the foregoing embodiments, the descriptions of each embodiment have their own emphases, and for parts not described in detail in a certain embodiment, reference may be made to relevant descriptions of other embodiments.
以上为对本实用新型所提供的一种制备光纤布拉格光栅的装置的描述，对于本领域的技术人员，依据本实用新型实施例的思想，在具体实施方式及应用范围上均会有改变之处，综上，本说明书内容不应理解为对本实用新型的限制。The above is a description of a device for preparing fiber Bragg gratings provided by the present invention. For those skilled in the art, according to the ideas of the embodiments of the present invention, there will be changes in the specific implementation and application range. To sum up, the contents of this specification should not be understood as limiting the utility model.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721153527.3U CN207198375U (en) | 2017-09-08 | 2017-09-08 | A kind of device for preparing Fiber Bragg Grating FBG |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721153527.3U CN207198375U (en) | 2017-09-08 | 2017-09-08 | A kind of device for preparing Fiber Bragg Grating FBG |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207198375U true CN207198375U (en) | 2018-04-06 |
Family
ID=61791806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721153527.3U Active CN207198375U (en) | 2017-09-08 | 2017-09-08 | A kind of device for preparing Fiber Bragg Grating FBG |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207198375U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107526131A (en) * | 2017-09-08 | 2017-12-29 | 深圳大学 | A kind of device for preparing Fiber Bragg Grating FBG and preparation method thereof |
| WO2019047145A1 (en) * | 2017-09-08 | 2019-03-14 | 深圳大学 | Device for fabricating optical fiber bragg grating, and fabrication method thereof |
| CN111221070A (en) * | 2020-01-21 | 2020-06-02 | 武汉锐科光纤激光技术股份有限公司 | Device and method for manufacturing fiber grating |
-
2017
- 2017-09-08 CN CN201721153527.3U patent/CN207198375U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107526131A (en) * | 2017-09-08 | 2017-12-29 | 深圳大学 | A kind of device for preparing Fiber Bragg Grating FBG and preparation method thereof |
| WO2019047145A1 (en) * | 2017-09-08 | 2019-03-14 | 深圳大学 | Device for fabricating optical fiber bragg grating, and fabrication method thereof |
| CN107526131B (en) * | 2017-09-08 | 2023-11-03 | 深圳大学 | Device for preparing fiber Bragg grating and preparation method thereof |
| CN111221070A (en) * | 2020-01-21 | 2020-06-02 | 武汉锐科光纤激光技术股份有限公司 | Device and method for manufacturing fiber grating |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107526131A (en) | A kind of device for preparing Fiber Bragg Grating FBG and preparation method thereof | |
| CN207198375U (en) | A kind of device for preparing Fiber Bragg Grating FBG | |
| CN106825915B (en) | Systems and methods for fabricating patterned metal thin layers by pulsed laser-induced forward transfer | |
| CN101359067A (en) | A method and device for fabricating fiber Bragg gratings using femtosecond laser | |
| CN104765099B (en) | A kind of device and method for inscribing cycle adjustable optic fibre grating | |
| CN102565904B (en) | Method for preparing large-size grating by utilizing grating imaging scan lithography | |
| CN101826697B (en) | Method for manufacturing distributed Bragg reflection optical fiber laser | |
| US11482826B2 (en) | Optical processing apparatus, optical processing method, and optically-processed product production method | |
| CN106772782B (en) | A kind of continuous Written Device of multifunctional optical fiber micro-structural and method | |
| US9488960B2 (en) | Methods and apparatuses for manufacturing ultralong fiber Bragg gratings with arbitrary reflection wavelength | |
| CN102778713A (en) | Femtosecond infrared laser point-to-point writing fiber grating system for optimized focus of beam spot | |
| CN207930153U (en) | A kind of dual-beam laser welding device | |
| CN107272213B (en) | A laser beam homogenizing beam expanding and shaping device | |
| CN100392514C (en) | Parallel femtosecond laser two-photon photopolymerization micro-nano processing method and device | |
| CN110727042A (en) | A device and method for preparing grating by ultrafast laser direct writing | |
| CN105700069A (en) | Multi-core optical fiber used for preparing multi-core anisotropic grating and grating write-in method | |
| CN108655569B (en) | A device and method for underwater laser shock dieless incremental forming | |
| CN111370986A (en) | Kilowatt-level optical fiber output nanosecond pulse laser | |
| CN101870036A (en) | Femtosecond laser fast processing device | |
| CN102545000A (en) | Adjusting method of resonant cavity | |
| CN101924325B (en) | 808nm triggered self-Q-switched laser of In-Band pump heat sensitive cavity | |
| US20200103586A1 (en) | Device for fabricating optical fiber bragg grating and the method thereof | |
| CN102570260A (en) | Method for regulating resonant cavity | |
| CN108963732B (en) | Waveguide passive Q-switched laser and method of making the same | |
| CN102842843A (en) | Method for realizing all-fiber package of semiconductor saturable absorption mirror |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |