CN107014410B - Optical fiber centering and cavity length control device and method for fiber F-P sensor fabrication - Google Patents
Optical fiber centering and cavity length control device and method for fiber F-P sensor fabrication Download PDFInfo
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- CN107014410B CN107014410B CN201710209760.7A CN201710209760A CN107014410B CN 107014410 B CN107014410 B CN 107014410B CN 201710209760 A CN201710209760 A CN 201710209760A CN 107014410 B CN107014410 B CN 107014410B
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000000835 fiber Substances 0.000 title claims description 61
- 238000002789 length control Methods 0.000 title abstract 2
- 239000000919 ceramic Substances 0.000 claims abstract description 53
- 238000005259 measurement Methods 0.000 claims description 10
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35306—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement
- G01D5/35309—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer
- G01D5/35312—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer using a Fabry Perot
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
Abstract
本发明公开了一种用于光纤F‑P传感器制作的光纤对中和腔长控制装置及方法，通过光纤夹具对光纤进行夹紧，通过陶瓷管夹具对陶瓷管夹紧，通过测微尺调节两个光纤夹具的位置，通过光栅尺记录移动距离，使两个光纤与陶瓷管对中并粘接，完成光纤F‑P传感器的制作。本装置体积小，便于移动，在大大降低成本的同时又增加了实际应用中的便捷性；在保证对中性和腔长的前提下，降低了对操作人员操作水平的要求。
The invention discloses an optical fiber centering and cavity length control device and method for the manufacture of optical fiber F-P sensors. The optical fiber is clamped by an optical fiber clamp, the ceramic tube is clamped by a ceramic tube clamp, and adjusted by a micrometer. The position of the two optical fiber clamps, the moving distance is recorded by the grating ruler, the two optical fibers are centered and bonded to the ceramic tube, and the fabrication of the optical fiber F‑P sensor is completed. The device is small in size and easy to move, which greatly reduces the cost and increases the convenience in practical application; on the premise of ensuring the neutrality and the cavity length, the requirements for the operator's operation level are reduced.
Description
Technical field
The invention belongs to sensory field of optic fibre, and in particular to it is a kind of for fibre-optical F-P sensor production optical fiber alignment and
The long control device and method of chamber.
Background technique
Fibre optical sensor has many good characteristics compared with traditional sensors: small in size, high sensitivity, it is light-weight, electric absolutely
Edge is good, little power consumption, electromagnetism interference, explosion-proof, corrosion-resistant.Be therefore widely used in aerospace, material, chemical industry, the energy,
The fields such as metallurgy and building materials.And fibre-optical F-P sensor is since resolution ratio and measurement accuracy are high, structure is simply dexterous, long-term work
Stability is good, is more more and more paid close attention to by researcher.
Fibre-optical F-P sensor commonly uses two sections of optical fiber at present and ceramic tube forms the structure of F-P cavity, makes or use pure hand
Work operates or by micro-displacement platform.Pure manually operated mode is although simple to operate, but not can guarantee optical fiber alignment
It is unable to control that F-P cavity is long, is not appropriate for the F-P sensor of production better performances；Although the mode by micro-displacement platform can be controlled
F-P cavity chamber processed is long, but Platform Price is expensive and is difficult to guarantee optical fiber alignment.
Summary of the invention
It is an object of the invention to solve optical fiber difficulty in fibre-optical F-P sensor manufacturing process, to neutralizing, chamber length is rambunctious to be asked
Topic provides a kind of optical fiber alignment and the long control device and method of chamber for fibre-optical F-P sensor production, is guaranteeing to neutrality
Under the premise of chamber length, the requirement to operator's operation level is reduced.
In order to achieve the above object, a kind of optical fiber alignment for fibre-optical F-P sensor production and the long control of chamber have been invented
Device, including support plate are provided with slideway in support plate, are placed on slideway there are two fiber clamp and a ceramic pipe clamp,
Ceramic pipe clamp is arranged among two fiber clamps, and two fiber clamps pass through corresponding micrometer and control in slideway
Upper sliding is provided with grating scale in support plate, is provided with grating ruler reading head on grating scale.
The fiber clamp and ceramic pipe clamp are included in the pressure being arranged in the supporting block and supporting block slided on slideway
V-groove is offered in the plane that block, supporting block and briquetting are in contact.
The supporting block is connected by hinge with briquetting, opens up fluted in supporting block, is all provided at the top and bottom of groove
It is equipped with magnet.
The briquetting and the V-groove of supporting block are oppositely arranged, and collectively constitute the through-hole that cross section assumes diamond in shape.
The ceramics pipe clamp and two fiber clamp coaxial arrangements.
The micrometer is fixed on the supporting plate by micrometer fixed frame.
A kind of working method of the optical fiber alignment made for fibre-optical F-P sensor and the long control device of chamber, including it is following
Step:
Step 1 first uses optical grating ruler measurement ceramics length of tube L, then moves fiber clamp to far from ceramic pipe clamp direction
It is dynamic, facilitate the placement of optical fiber and ceramic tube；
Two sections of good optical fiber of end surface grinding are fixed in two fiber clamps by step 2, and it is long that fiber end face stretches out fixture
Degree is S, and two fiber clamps to two fiber end faces are slowly moved with micrometer and are just bonded, measure two fibre clips with grating scale at this time
Has distance L1；
The fiber clamp of step 3, the mobile left side works as shifting with grating scale real-time measurement moving distance far from ceramic pipe clamp
Dynamic distance is S1When stop, by identical method make the right fiber clamp moving distance S1, at this time two fiber end faces distance be S2
=2S1, and S2Greater than L1；
Step 4 opens the briquetting of ceramic pipe clamp, ceramic tube is placed in V-groove, covers briquetting, mobile two light
Fine fixture is to optical fiber close to ceramic tube, with optical grating ruler measurement moving distance, observe ceramic tube whether with optical fiber alignment, if misaligning
Then reappose ceramic tube；
Step 5 after adjusting ceramic tube, moves two fiber clamps again, continues to use optical grating ruler measurement moving distance,
According to mobile distance and S2It can obtain the distance S of two fiber end faces3, work as S3When long close to designed chamber, micro-shifting moves fibre clip
It is long to have the chamber designed, stationary fixture position；
Step 6 after chamber length determines, by ceramic tube and bonding fiber, that is, completes the production of fibre-optical F-P sensor.
In step 2, optical fiber is fixed on fiber clamp, and the specific method is as follows, is first turned on the briquetting of fiber clamp, will
Two sections of good optical fiber of end surface grinding are placed in V-groove, finally cover briquetting.
Compared with prior art, the device of the invention is clamped optical fiber by fiber clamp, passes through ceramic pipe clamp
Ceramic tube is clamped, the position of two fiber clamps is adjusted by micrometer, moving distance is recorded by grating scale, makes two light
It is fine with ceramic tube centering and to connect, complete the production of fibre-optical F-P sensor.The present apparatus is small in size, easy to remove, is substantially reducing
The convenience in practical application is increased while cost again；Under the premise of guaranteeing long to neutral and chamber, reduce to operation
Personnel operate horizontal requirement.
Method of the invention guarantees optical fiber alignment by structure design and Precision Machining first, then makes light by micrometer
Fine fixture is slided along slideway direction, using the mobile accurate distance of high-precision optical grating ruler measurement fixture, to realize F-P cavity chamber
Long accurate control.For the relatively existing optical fiber alignment of the present invention and the long control method of chamber, to neutral good, the long control precision of chamber
Height, at low cost, operation is simple.
Detailed description of the invention
Fig. 1 is overall structure figure of the invention；
Fig. 2 is clamp structure figure of the invention；
Wherein, 1, support plate；2, slideway；3, fiber clamp；4, ceramic pipe clamp；5, micrometer；6, grating scale；7, grating
Ruler reading head；8, micrometer fixed frame；9, magnet；10, supporting block；11, briquetting；12, hinge；14, V-groove.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
Referring to Fig. 1 and Fig. 2, a kind of optical fiber alignment and the long control device of chamber for fibre-optical F-P sensor production, including branch
Fagging 1 is provided with slideway 2 in support plate 1, places that there are two fiber clamp 3 and a ceramic pipe clamp 4, ceramic tubes on slideway 2
Fixture 4 and two fiber clamps 3 are coaxially disposed, and ceramic pipe clamp 4 is arranged among two fiber clamps 3, two fiber clamps 3
It is slided on slideway 2 by the corresponding control of micrometer 5, grating scale 6 is provided in support plate 1, is arranged on grating scale 6
There is grating ruler reading head 7, micrometer 5 is fixed in support plate 1 by micrometer fixed frame 8.
Referring to fig. 2, fiber clamp 3 and ceramic pipe clamp 4 are included in the supporting block 10 and supporting block 10 slided on slideway 2
V-groove 14, supporting block 10 and briquetting 11 are offered in the plane that the briquetting 11 of upper setting, supporting block 10 and briquetting 11 are in contact
It is connected by hinge 12, opens up fluted in supporting block 10, be provided with magnet 9 at the top and bottom of groove, briquetting 11 and branch
The V-groove 14 of bracer 10 is oppositely arranged, and collectively constitutes the through-hole that cross section assumes diamond in shape.
A kind of working method of the optical fiber alignment made for fibre-optical F-P sensor and the long control device of chamber, including it is following
Step:
Step 1 first measures ceramic length of tube L with grating scale 6, then makes fiber clamp 3 to far from 4 direction of ceramic pipe clamp
It is mobile, facilitate the placement of optical fiber and ceramic tube；
Step 2 is first turned on the briquetting 11 of fiber clamp 3, and two sections of good optical fiber of end surface grinding are placed on V-groove 14
In, it is S that fiber end face, which stretches out fixture length, briquetting 11 is covered, with slow mobile two fiber clamps, 3 to two optical fiber end of micrometer 5
Face is just bonded, and measures two fiber clamp distance L with grating scale at this time1；
Step 3, the fiber clamp 3 on the mobile left side is far from ceramic pipe clamp 4, with 6 real-time measurement moving distance of grating scale,
When moving distance is S1When stop, by identical method make the right 3 moving distance S of fiber clamp1, at this time two fiber end faces away from
From for S2=2S1, and S2Greater than L1；
Step 4 opens the briquetting 11 of ceramic pipe clamp 3, ceramic tube is placed in V-groove 14, briquetting 11 is covered, moves
Dynamic two fiber clamps 3 measure moving distance to optical fiber close to ceramic tube, with grating scale 6, observation ceramic tube whether with optical fiber pair
In, ceramic tube is reapposed if misaligning；
Step 5 after adjusting ceramic tube, moves two fiber clamps 3 again, continue with the measurement of grating scale 6 it is mobile away from
From according to mobile distance and S2It can obtain the distance S of two fiber end faces3, work as S3When long close to designed chamber, micro-shifting moves light
The chamber that fine fixture is designed is long, stationary fixture position；
Step 6 after chamber length determines, by ceramic tube and bonding fiber, that is, completes the production of fibre-optical F-P sensor.
Claims (7)
1. a kind of working method of the optical fiber alignment made for fibre-optical F-P sensor and the long control device of chamber, which is characterized in that
Control device includes support plate (1), is provided in support plate (1) slideway (2), and there are two fiber clamp (3) for placement on slideway (2)
With a ceramic pipe clamp (4), ceramic pipe clamp (4) setting is intermediate in two fiber clamps (3), and two fiber clamps (3) are equal
It is controlled by corresponding micrometer (5) and is slided on slideway (2), grating scale (6), grating scale are provided in support plate (1)
(6) grating ruler reading head (7) are provided on；
Working method the following steps are included:
Step 1 first measures ceramic length of tube L with grating scale (6), then makes fiber clamp (3) to far from ceramic pipe clamp (4) side
To movement, facilitate the placement of optical fiber and ceramic tube；
Two sections of good optical fiber of end surface grinding are fixed in two fiber clamps (3) by step 2, and fiber end face stretches out fixture length
For S, with micrometer (5), slowly mobile two fiber clamps (3) to two fiber end faces are just bonded, and measure two light with grating scale at this time
Fine clamp distance L1；
Step 3, the fiber clamp (3) on the mobile left side far from ceramic pipe clamp (4), with grating scale (6) real-time measurement it is mobile away from
From when moving distance is S1When stop, by identical method make the right fiber clamp (3) moving distance S1, two optical fiber end at this time
Identity distance is from for S2=2S1, and S2Greater than L1；
Step 4 opens the briquetting (11) of ceramic pipe clamp (3), ceramic tube is placed in V-groove (14), briquetting is covered
(11), mobile two fiber clamps (3) measure moving distance with grating scale (6), observation ceramic tube is to optical fiber close to ceramic tube
No and optical fiber alignment, reapposes ceramic tube if misaligning；
Step 5 after adjusting ceramic tube, moves two fiber clamps (3) again, continue with grating scale (6) measurement it is mobile away from
From according to mobile distance and S2It can obtain the distance S of two fiber end faces3, work as S3When long close to designed chamber, micro-shifting moves light
The chamber that fine fixture is designed is long, stationary fixture position；
Step 6 after chamber length determines, by ceramic tube and bonding fiber, that is, completes the production of fibre-optical F-P sensor.
2. a kind of optical fiber alignment and chamber long control device for fibre-optical F-P sensor production according to claim 1
Working method, which is characterized in that in the step 2, optical fiber is fixed on fiber clamp (3), and the specific method is as follows: beating first
The briquetting (11) of fiber clamp (3) is opened, then two sections of good optical fiber of end surface grinding are placed in V-groove (14), are finally covered
Briquetting (11).
3. a kind of optical fiber alignment and chamber long control device for fibre-optical F-P sensor production according to claim 1
Working method, which is characterized in that the fiber clamp (3) and ceramic pipe clamp (4) are included in the support slided on slideway (2)
It is offered in the plane that the briquetting (11) being arranged on block (10) and supporting block (10), supporting block (10) and briquetting (11) are in contact
V-groove (14).
4. a kind of optical fiber alignment and chamber long control device for fibre-optical F-P sensor production according to claim 3
Working method, which is characterized in that the supporting block (10) is connect with briquetting (11) by hinge (12), and supporting block opens up on (10)
It is fluted, magnet (9) are provided at the top and bottom of groove.
5. a kind of optical fiber alignment and chamber long control device for fibre-optical F-P sensor production according to claim 3
Working method, which is characterized in that the briquetting (11) and the V-groove (14) of supporting block (10) are oppositely arranged, and are collectively constituted transversal
The through-hole that face assumes diamond in shape.
6. a kind of optical fiber alignment and chamber long control device for fibre-optical F-P sensor production according to claim 1
Working method, which is characterized in that the ceramics pipe clamp (4) and two fiber clamp (3) coaxial arrangements.
7. a kind of optical fiber alignment and chamber long control device for fibre-optical F-P sensor production according to claim 1
Working method, which is characterized in that the micrometer (5) is fixed on support plate (1) by micrometer fixed frame (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710209760.7A CN107014410B (en) | 2017-03-31 | 2017-03-31 | Optical fiber centering and cavity length control device and method for fiber F-P sensor fabrication |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710209760.7A CN107014410B (en) | 2017-03-31 | 2017-03-31 | Optical fiber centering and cavity length control device and method for fiber F-P sensor fabrication |
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| CN107014410A CN107014410A (en) | 2017-08-04 |
| CN107014410B true CN107014410B (en) | 2019-05-03 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109253698B (en) * | 2018-09-21 | 2021-07-13 | 湖北工业大学 | a displacement sensor |
| CN111578973A (en) * | 2020-05-25 | 2020-08-25 | 重庆冠雁科技有限公司 | Method for manufacturing Fabry-Perot sensor by using capillary tube |
| CN113483794B (en) * | 2021-09-08 | 2021-11-09 | 西北工业大学 | F-P sensor preparation facilities convenient to monitoring angle regulation and length |
| CN118758346B (en) * | 2024-09-06 | 2024-11-15 | 西北工业大学 | A step-by-step cavity length adjustable optical fiber F-P cavity MEMS sensor and packaging method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1547048A (en) * | 2003-12-03 | 2004-11-17 | 武汉理工大学 | Tunable Fabri-Paro cavity filter and preparation method thereof |
| CN103954395A (en) * | 2014-05-12 | 2014-07-30 | 中国科学院半导体研究所 | Device for manufacturing minitype optical fiber Fabry-Perot pressure sensor and corresponding manufacturing method |
| CN105043424A (en) * | 2013-12-07 | 2015-11-11 | 山东省科学院激光研究所 | Production method of optical fiber F-P cavity sensor |
| CN105890535A (en) * | 2016-03-25 | 2016-08-24 | 重庆大学 | Manufacturing apparatus and method for fiber sensor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7109471B2 (en) * | 2004-06-04 | 2006-09-19 | Weatherford/Lamb, Inc. | Optical wavelength determination using multiple measurable features |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1547048A (en) * | 2003-12-03 | 2004-11-17 | 武汉理工大学 | Tunable Fabri-Paro cavity filter and preparation method thereof |
| CN105043424A (en) * | 2013-12-07 | 2015-11-11 | 山东省科学院激光研究所 | Production method of optical fiber F-P cavity sensor |
| CN103954395A (en) * | 2014-05-12 | 2014-07-30 | 中国科学院半导体研究所 | Device for manufacturing minitype optical fiber Fabry-Perot pressure sensor and corresponding manufacturing method |
| CN105890535A (en) * | 2016-03-25 | 2016-08-24 | 重庆大学 | Manufacturing apparatus and method for fiber sensor |
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Effective date of registration: 20220106 Address after: Room 1019-2, science and technology building, 28 Zhujiang Road, Yantai Economic and Technological Development Zone, Shandong Province 264006 Patentee after: Mingshi innovation (Yantai) micro nano Sensor Technology Research Institute Co.,Ltd. Address before: Beilin District Xianning West Road 710049, Shaanxi city of Xi'an province No. 28 Patentee before: XI'AN JIAOTONG University |