CN111817118A - Integrated ASE light source product - Google Patents
Integrated ASE light source product Download PDFInfo
- Publication number
- CN111817118A CN111817118A CN202010649551.6A CN202010649551A CN111817118A CN 111817118 A CN111817118 A CN 111817118A CN 202010649551 A CN202010649551 A CN 202010649551A CN 111817118 A CN111817118 A CN 111817118A
- Authority
- CN
- China
- Prior art keywords
- fiber
- light source
- pump laser
- source product
- assembly
- 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.)
- Pending
Links
- 239000000835 fiber Substances 0.000 claims abstract description 66
- 239000013307 optical fiber Substances 0.000 claims abstract description 37
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 25
- 230000003287 optical effect Effects 0.000 claims abstract description 23
- 239000000306 component Substances 0.000 claims abstract description 21
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 239000008358 core component Substances 0.000 claims abstract description 4
- 239000004065 semiconductor Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- KWMNWMQPPKKDII-UHFFFAOYSA-N erbium ytterbium Chemical compound [Er].[Yb] KWMNWMQPPKKDII-UHFFFAOYSA-N 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 2
- 230000010354 integration Effects 0.000 abstract description 4
- -1 rare earth ion Chemical class 0.000 description 22
- 238000005086 pumping Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 230000002269 spontaneous effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 108010087967 type I signal peptidase Proteins 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06729—Peculiar transverse fibre profile
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Lasers (AREA)
Abstract
The invention relates to an integrated ASE light source product, which comprises a pump laser tube core component, a tail fiber component and an active fiber component; the pump laser tube core component comprises a pump laser tube core, the end face of the tail fiber component is processed into a fiber lens, the end face of the fiber lens is plated with a double-color multilayer medium filter film capable of reflecting ASE signal light and transmitting pump light, and the other end of the tail fiber component is connected with the active fiber component; the pump light is emitted from a pump laser tube core, enters the tail fiber assembly through the fiber lens coupling, enters the active fiber assembly through the tail fiber assembly, is converted into ASE signal light in the active fiber assembly, and the ASE signal light is output from the output end of the active fiber assembly; the active optical fiber component comprises a rare earth ion doped gain optical fiber, an optical isolator and an optical filter. The integrated ASE light source product disclosed by the invention has the advantages of high integration level, simple structure, small volume and lower cost.
Description
Technical Field
The invention relates to the technical field of optical fiber sensing, in particular to an integrated ASE light source product.
Background
The ASE light source is a wide-spectrum light source based on spontaneous radiation of rare earth ion doped optical fibers, and the output characteristics are mainly embodied by output bandwidth, average wavelength and output power. The ASE light source is widely applied in the fields of fiber optic gyroscopes, fiber optic sensing, communication WDM systems, DWDM systems and the like. The traditional ASE light source comprises a pumping light source, a wavelength division multiplexer, a reflector, a gain optical fiber, an optical filter, an optical isolator and other products, an assembly structure, a control circuit and other units, and the traditional ASE light source has the problems of large number of product components, complex structure, large volume, high cost and the like, for example, patent documents with application numbers of 2019111413744 and publication numbers of CN110970792A disclose a high-stability ASE light source for a high-precision optical fiber gyroscope, which comprises a two-way backward light path, a Gaussian filter, a high-performance drive circuit and a power feedback control unit; the double-pass backward light path comprises a pump laser, a wavelength division multiplexer, a high-concentration erbium-doped optical fiber, an optical fiber reflector and an isolator, laser generated by the pump laser is injected into the erbium-doped optical fiber through the wavelength division multiplexer and generates spontaneous radiation signals along the front direction and the back direction respectively, the forward spontaneous radiation signal ASE light is amplified through the erbium-doped optical fiber after being reflected by the optical fiber reflector and is superposed with the backward spontaneous radiation signal ASE light to form backward output light. The product of the patent is a traditional modular product, has a plurality of devices and a large volume, and the packaging volume is often more than ten centimeters. In the middle-high precision fiber optic gyroscope, in order to reduce the volume and reduce the cost, an 8PIN double-row butterfly-shaped packaging SLD light source is often required, and the packaging volume is only about one centimeter. The SLD light source has small volume, but the index performance of the SLD light source can not meet the requirement of a medium-high precision fiber optic gyroscope, the index performance of the ASE light source is good, but the existing ASE light source with low integration degree has large volume and can not meet the requirement of the medium-high precision fiber optic gyroscope, so that an integrated ASE light source product with high integration degree, simple structure, small volume and low cost is required in the market.
Disclosure of Invention
The invention provides an integrated ASE light source product for solving the technical problems, solves the problems of large number of components, complex structure, large volume and high cost of the traditional ASE light source product in the background technology, can realize higher performance indexes than the conventional ASE light source under the condition of the same packaging size with an SLD light source, and meets the practical requirements of the medium-high precision fiber-optic gyroscope market.
In order to solve the technical problem, the invention is realized as follows: an integrated ASE light source product comprises a pump laser tube core component, a tail fiber component and an active fiber component which are sequentially connected and arranged;
the pump laser die assembly includes a pump laser die.
The tail fiber component comprises an optical fiber, one end of the optical fiber, which is close to the tube core of the pump laser, is provided with a lens part, the lens part and the tube core of the pump laser form end face coupling connection, and the surface of the lens part is provided with a filter coating for reflecting ASE signal light and transmitting pump light;
the active optical fiber component comprises a rare earth ion doped gain optical fiber, an optical isolator and an optical filter which are sequentially arranged.
The invention discloses an integrated ASE light source product, which has the working principle as follows:
the pump laser tube core emits pump light, the pump light is coupled into the tail fiber assembly, the pump light is output from the tail fiber assembly and enters the rare earth ion doped gain fiber in the active fiber assembly, the doped ions in the rare earth ions generate energy level transition and particle number inversion under the action of the pump light so as to generate ASE light, the ASE light is divided into a forward part and a reverse part, the ASE light with the same transmission direction as the pump light is the forward part, the ASE light with the reverse direction opposite to the transmission direction of the pump light is the reverse part, the reverse ASE light in the rare earth ion doped gain fiber enters the tail fiber assembly from the active fiber assembly, the reverse ASE light also becomes forward light and reenters the rare earth ion doped gain fiber under the reflection action of a filter membrane of the tail fiber assembly, the forward light is amplified in the doped gain fiber, the last rare earth ion doped gain fiber outputs total ASE light, the total ASE light is injected into an optical isolator at the rear end of the active fiber, the ASE light output by the optical filter is used as the final output light of the integrated ASE light source product.
Compared with the prior art, the invention has the beneficial effects that:
the product has fewer parts, simple structure, low cost and capability of being packaged in 8PIN double-row butterfly-shaped packages;
manufacturing the end part of the tail fiber assembly into a lens shape and evaporating a filter coating to replace a reflecting mirror, a transmitting mirror and a wavelength division multiplexer, so that components are reduced;
the filter film of the tail fiber assembly can reflect reverse ASE light to form double-pass amplification and enhance final output light;
the direct connection of the pump laser tube assembly, the tail fiber assembly and the active optical fiber assembly is used for replacing the module assembly of the traditional product, so that the unnecessary structure can be further reduced, and the volume can be reduced;
the product realizes high integration design, and because discrete devices such as WDM and reflectors are reduced, the volume of the product is greatly reduced, and the wavelength stability of the product is obviously improved;
in the medium and high precision fiber optic gyroscope, the ASE light source is required to be small in volume and high in average wavelength stability, and the practical requirement of the medium and high precision fiber optic gyroscope is well met by the integrated ASE light source product.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creating any labor.
Fig. 1 is a schematic structural view of an integrated ASE light source product according to an embodiment of the present invention.
101. A pump laser die assembly; 102. a pigtail assembly; 103. an active optical fiber assembly; 104. a product housing; 105. a semiconductor refrigerator; 106. a temperature-sensitive resistor; 107. a pump laser die; 108. a lens section; 109. a bicolor multilayer dielectric filter film; 110. a wavelength control grating; 111. rare earth ion doped gain fiber; 112. an optical isolator; 113. optical filter
Fig. 2 is an enlarged schematic view of the lens portion.
Fig. 3 is a schematic view of the structure of fig. 2 from another angle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following detailed description and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
It should be further noted that all directional indicators (such as upper, lower, left, right, front and rear … …) in the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the corresponding figure), and if the specific posture is changed, the directional indicator is changed accordingly.
Example 1
Referring to fig. 1 to 3, a preferred embodiment 1 of the present invention provides an integrated ASE light source product, which includes a pump laser core assembly 101, a pigtail assembly 102, an active optical fiber assembly 103, and a product housing 104; the pigtail assembly 102 comprises an optical fiber, one end of the optical fiber is provided with a lens part 108, the lens part is in a wedge-shaped lens shape, the lens part 108 is arranged on an outgoing light path of the pump laser tube assembly 101, pump light is emitted from the pump laser tube assembly 101, enters the pigtail assembly 102 through end face coupling, enters the active fiber assembly 103 through the pigtail assembly 102, is converted into ASE signal light in the active fiber assembly 103, and the ASE signal light is output from an output end of the active fiber assembly 103. Wherein the pump laser die assembly 101 includes at least one pump laser die 107, the pump laser die assembly 101 may further include a semiconductor cooler 105, a temperature sensitive resistor 106, the pump laser die 107 outputs pump laser, and the semiconductor cooler 105 and the temperature sensitive resistor 106 provide temperature control and temperature detection functions of the light source product. The pump laser tube assembly 101 of the integrated ASE light source product is packaged in a product shell 104, a control circuit is arranged in the product shell 104, and the control circuit and the pump laser tube assembly 101 form control connection; the product housing 104 is provided with a pigtail assembly mounting port through which the pigtail assembly 102 is secured to the product housing 104, and the transmissive portion of the pigtail assembly 102 is disposed inside the product housing 104.
The lens part 108 of the pigtail assembly 102 is ground into an oblique wedge shape on the end face of the optical fiber of the pigtail assembly 102 by a precision grinding device, and then an optical micro-cylindrical lens is processed at the core part of the optical fiber. The included angle alpha of the lens part 108 is 50-120 degrees, the curvature radius of the micro-cylindrical lens is 7 +/-1 mu m, the measures enable the optical fiber lens to be matched with the spot shape and the divergence angle of the pumping laser chip assembly 101, and the pumping light coupling efficiency is improved.
The lens portion 108 of the pigtail assembly 102 is coated with a dichroic multilayer dielectric filter 109 that transmits pump light and reflects ASE signal light. The traditional wedge-shaped lens only needs to be matched with a light spot of a pumping laser chip, an antireflection film is generally plated on the lens, and the reflection of the end face of the lens to pumping light is avoided. The higher transmissivity of the bicolor multi-layer dielectric filter film 109 to the pumping light effectively avoids the reflection of the end face of the lens part 108 to the pumping light, avoids the influence of the reflected light on the service life of the laser chip, and also eliminates the signal noise caused by the pumping reflected light.
A wavelength control grating 110 for stabilizing the wavelength of the pump light can be lithographically printed on the fiber of the pigtail assembly 102. An active optical fiber component 103 of an integrated ASE light source product comprises a rare earth ion doped gain optical fiber 111, the rare earth ion doped gain optical fiber 111 can be an erbium-doped optical fiber or other rare earth ion doped gain optical fibers, the active optical fiber component 103 further comprises an optical isolator 112 and an optical filter 113, the rare earth ion doped gain optical fiber 111 serves as a gain medium to realize conversion from pump light to ASE signal light, the output end of the optical isolator 112 is connected with the input end of the optical filter 113, and the output end of the optical filter 113 outputs ASE light.
The pump laser tube assembly 101 emits 980nm pump light, the pump light is coupled into the pigtail assembly 102, the wavelength control grating 110 of the pigtail assembly 102 is used for stabilizing the wavelength of the pump light, the pump light is output from the pigtail assembly 102 and enters the rare earth ion doped gain fiber 111 in the active fiber assembly 103, the rare earth ions in the rare earth ion doped gain fiber 111 undergo energy level transition and population inversion under the action of the pump light, and further spontaneous emission light, namely ASE light with the wavelength of 1550nm is generated, the ASE light is a forward portion and a reverse portion, the ASE light with the same transmission direction as the pump light is a forward portion, the ASE light with the reverse transmission direction as the pump light is a reverse portion, the reverse ASE light in the rare earth ion doped gain fiber 111 enters the pigtail assembly 102 from the active fiber assembly 103, and is changed into forward light to reenter the rare earth ion doped gain fiber 111 under the reflection action of the double-color multi-layer medium filter film 109 of the pigtail assembly 102, the amplified light is amplified in the rare earth ion doped gain fiber 111, finally the rare earth ion doped gain fiber 111 outputs total ASE light, the total ASE light is injected into a 1550nm optical isolator 112 at the rear end of the active fiber component 103, the ASE light enters an optical filter 113 for spectral shaping after being transmitted in a single direction through the optical isolator 112, and the ASE light output by the optical filter 113 is used as final output light of an integrated ASE light source product.
For example, the rare-earth ion doped gain fiber in the active fiber assembly may be doped with erbium, ytterbium, erbium-ytterbium co-doped, or other rare-earth ions, the wavelength of the pump laser is not limited to 980nm, 940nm, 808nm, or the wavelength can make the rare-earth ion in the gain fiber undergo energy level transition and population inversion. Also the wavelength of ASE light is not limited to 1550 nm. In addition, according to different output spot types of the pump laser chip, the lens part wedge-shaped fiber lens can also be designed into fiber lenses with other shapes, or an independent collimation focusing lens coupling structure is adopted, and a bicolor multi-layer medium filter film is plated on the surface of the coupling structure to realize pump light transmission and ASE light reflection.
Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An integrated ASE light source product, characterized in that: the device comprises a pump laser tube core component, a tail fiber component and an active optical fiber component which are sequentially connected and arranged;
the pump laser die assembly includes a pump laser die;
the tail fiber component comprises an optical fiber, one end of the optical fiber, which is close to the tube core of the pump laser, is provided with a lens part, the lens part and the tube core of the pump laser form end face coupling connection, and the surface of the lens part is provided with a filter coating for reflecting ASE signal light and transmitting pump light;
the active optical fiber component comprises a rare earth ion doped gain optical fiber, an optical isolator and an optical filter which are sequentially arranged.
2. An integrated ASE light source product as claimed in claim 1, wherein: the pump laser tube assembly is provided with a product shell, the pump laser tube assembly is packaged in the product shell, and one end of the tail fiber assembly is fixedly connected with the product shell.
3. An integrated ASE light source product as claimed in claim 1 or 2, wherein: the pump laser tube assembly further comprises a semiconductor refrigerator for controlling the temperature of the light source product and a temperature-sensitive resistor for detecting the temperature.
4. An integrated ASE light source product as claimed in claim 1 or 2, wherein: and a wavelength control grating for stabilizing the wavelength of the pump light is etched on the optical fiber of the tail fiber assembly.
5. An integrated ASE light source product as claimed in claim 1 or 2, wherein: the rare earth ion doped gain fiber is one of erbium-doped gain fiber, ytterbium-doped gain fiber and erbium-ytterbium co-doped gain fiber.
6. An integrated ASE light source product as claimed in claim 1 or 2, wherein: the wavelength of the pump light emitted by the pump laser die is 980nm or 940nm or 808 nm.
7. An integrated ASE light source product as claimed in claim 1 or 2, wherein: the light filtering film is a bicolor multilayer medium light filtering film.
8. An integrated ASE light source product as claimed in claim 1 or 2, wherein: the lens part is an optical micro-cylindrical lens positioned at the end part of the fiber core of the optical fiber.
9. An integrated ASE light source product as claimed in claim 8, wherein: the included angle alpha of the lens part is 50-120 degrees, and the curvature radius of the micro-cylindrical lens is 7 +/-1 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010649551.6A CN111817118A (en) | 2020-07-08 | 2020-07-08 | Integrated ASE light source product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010649551.6A CN111817118A (en) | 2020-07-08 | 2020-07-08 | Integrated ASE light source product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111817118A true CN111817118A (en) | 2020-10-23 |
Family
ID=72842688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010649551.6A Pending CN111817118A (en) | 2020-07-08 | 2020-07-08 | Integrated ASE light source product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111817118A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210265801A1 (en) * | 2020-02-26 | 2021-08-26 | Lumentum Operations Llc | In-fiber retroreflector |
| CN115079357A (en) * | 2022-06-30 | 2022-09-20 | 北京浦丹光电股份有限公司 | Reflector and WDM combined device and combining method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006222352A (en) * | 2005-02-14 | 2006-08-24 | Fujikura Ltd | Optical fiber laser and optical fiber amplifier |
| CN101436747A (en) * | 2008-12-16 | 2009-05-20 | 福州高意通讯有限公司 | Semiconductor pump ASE laser |
| CN209266832U (en) * | 2019-01-08 | 2019-08-16 | 武汉光迅科技股份有限公司 | A kind of pump laser |
| CN212230770U (en) * | 2020-07-08 | 2020-12-25 | 江山云际(北京)科技有限公司 | Integrated ASE light source product |
-
2020
- 2020-07-08 CN CN202010649551.6A patent/CN111817118A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006222352A (en) * | 2005-02-14 | 2006-08-24 | Fujikura Ltd | Optical fiber laser and optical fiber amplifier |
| CN101436747A (en) * | 2008-12-16 | 2009-05-20 | 福州高意通讯有限公司 | Semiconductor pump ASE laser |
| CN209266832U (en) * | 2019-01-08 | 2019-08-16 | 武汉光迅科技股份有限公司 | A kind of pump laser |
| CN212230770U (en) * | 2020-07-08 | 2020-12-25 | 江山云际(北京)科技有限公司 | Integrated ASE light source product |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210265801A1 (en) * | 2020-02-26 | 2021-08-26 | Lumentum Operations Llc | In-fiber retroreflector |
| US11502477B2 (en) * | 2020-02-26 | 2022-11-15 | Lumentum Operations Llc | In-fiber retroreflector |
| CN115079357A (en) * | 2022-06-30 | 2022-09-20 | 北京浦丹光电股份有限公司 | Reflector and WDM combined device and combining method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5659644A (en) | Fiber light source with multimode fiber coupler | |
| EP1358699A2 (en) | Fibre laser | |
| CN108963738A (en) | Double-end output linear cavity all-fiber laser oscillator | |
| CN109038194B (en) | Linear cavity all-fiber laser oscillator with adjustable double-end output power | |
| CN206697745U (en) | A kind of multi-wavelength narrow-linewidth single frequency fiber laser light source of laser radar system | |
| CN111817118A (en) | Integrated ASE light source product | |
| CN212230770U (en) | Integrated ASE light source product | |
| WO2021223439A1 (en) | Optical amplifier | |
| CN108448372B (en) | Integrated optical fiber device and optical fiber amplifier thereof | |
| KR20140097377A (en) | High power single mode fiber laser system for wavelengths operating in 2㎛ range | |
| CN113783090B (en) | Optical fiber amplifier | |
| CN116526261A (en) | Diode pumped solid state laser with miniaturized master oscillator power amplifier structure | |
| CN218275503U (en) | High-power 1550nmMOPA pulse optical fiber laser | |
| EP3679425B1 (en) | Micro-optical bench architecture for master oscillator power amplifier (mopa) | |
| CN208820223U (en) | A Linear Cavity All-fiber Laser Oscillator with Adjustable Double-End Output Power | |
| CN219739555U (en) | Wide-temperature optical fiber amplifier of multiple wavelength pumping | |
| JP3228451B2 (en) | Optical fiber amplifier | |
| CN110098557A (en) | A kind of all -fiber laser with active-passive lock mould | |
| JPH05343785A (en) | Light module for light amplifier | |
| CN215955684U (en) | Pulse fiber laser device applied to laser radar | |
| CN110957626A (en) | Spectral rotary mirror and hybrid integrated microminiature ASE light source device | |
| CN115776035A (en) | Frequency-stabilized random optical fiber laser | |
| CN202997294U (en) | Single-frequency fiber laser of tunable narrow linewidth array format | |
| CN113659414A (en) | Pulse fiber laser device applied to laser radar | |
| CN222355694U (en) | A highly integrated laser radar light source |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |