CN110082855A - It is a kind of continuously to be inscribed for multi fiber grating and the apparatus and method of on-line testing - Google Patents
It is a kind of continuously to be inscribed for multi fiber grating and the apparatus and method of on-line testing Download PDFInfo
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- CN110082855A CN110082855A CN201810079001.8A CN201810079001A CN110082855A CN 110082855 A CN110082855 A CN 110082855A CN 201810079001 A CN201810079001 A CN 201810079001A CN 110082855 A CN110082855 A CN 110082855A
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- optical fiber
- guide rail
- photoswitch
- rail platform
- optical
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- 239000000835 fiber Substances 0.000 title claims abstract description 57
- 238000012360 testing method Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title abstract description 13
- 239000013307 optical fiber Substances 0.000 claims abstract description 98
- 230000003287 optical effect Effects 0.000 claims abstract description 34
- 238000001228 spectrum Methods 0.000 claims abstract description 29
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000010183 spectrum analysis Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 30
- 238000010924 continuous production Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/02123—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/02123—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating
- G02B6/02142—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating based on illuminating or irradiating an amplitude mask, i.e. a mask having a repetitive intensity modulating pattern
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
The present invention discloses a kind of continuously inscribe for multi fiber grating and the apparatus and method of on-line testing, by the way that disposably more optical fiber is fixed in advance in upper multiple moveable optical fiber Individual gripper modules, and by the equally spaced installation of optical fiber standalone module and the guide rail platform that opposite can inscribe platform and move, optical fiber tail-end is uniformly passed through to photoswitch to be attached with optical spectrum analyser, so that the guide rail platform relative phase mask plate for carrying optical fiber Individual gripper device is realized that the amount of feed such as intermittence are mobile by the way that control guide rail platform is mobile.Corresponding current inscription intelligent acess realizes the continuous production production of the on-line testing of multi fiber grating to optical spectrum analyser when will be inscribed by photoswitch.Method production process manual operation of the invention largely reduces, and production efficiency significantly improves, and cost of manufacture is greatly reduced, suitable for producing the scene of fiber grating in enormous quantities.
Description
Technical field
The present invention relates to optic communication passive devices to manufacture field, more particularly to one kind is continuously carved for multi fiber grating
It writes and the apparatus and method of on-line testing.
Background technique
Nearly half of generation since fiber bragg grating (Fiber Bragg Grating, hereinafter referred to as FBG) is optical fiber invention
Ji Zhong, one of mostly important photonic device developed, FBG pass through uv-exposure in fiber core using UV Photosensitivity in Optical Fiber
The space phase grating of formation, may be constructed the passive device of many unique properties, obtain extensively in fields such as communication, sensings
General application.
The manufacturing technology of FBG directly determines the production efficiency of fiber grating, currently used scale fiber grating
Manufacturing technology is that the production of fiber grating is carried out using phase mask method, based on ultraviolet source in phase mask plate near field diffraction pattern
The space interference striped of generation forms periodic variations in refractive index in fiber core, to form fiber grating.Traditional
The production of fiber grating is needed to be cut into several simple optical fibers, carried out after raw material optical fiber is carried out high ballast hydrogen by product
It needs that the removing of coat will be carried out in preset fiber grating region before inscription, bare fibre region is formed, by one when inscription
Optical fiber is held on horizontal fixed fibre holder, and adjusts the position of optical fiber, makes bare fibre regional location phase mask plate
Near field diffraction pattern within the scope of, adjust optical fiber pulling force to a predetermined value, the buttock line at optical fiber both ends is connected with optical spectrum analyser
It connects, control laser ultraviolet source is incident on the bare fibre before phase mask plate, carries out the inscription of fiber grating, passes through optics frequency
Spectrometer carries out the on-line monitoring of fiber grating parameter, when the parameter monitored, which reaches production, to be required, ultraviolet source is cut off, by light
Fibre is removed from optical fiber fixing clamp holder, and next process is arrived in circulation, then removes an optical fiber and inscription is repeated again.Though
The production method of right such fiber grating makes it possible batch production, but inscription front and back, to need the dress that manually takes much time
Optical fiber is unloaded in fixing clamp holder, and carries out pulling force adjusting, manual operation load is big, and production efficiency is low, and cost of manufacture is larger, production capacity
It can not effectively improve.
With the implementation of FTTH engineering in the fast development of Fibre Optical Sensor, optical communications industry, especially global range, so that
The demand of fiber grating increasingly doubles, then a large amount of manual operation, lower production efficiency, so that its manufacturing cost is difficult to fit
The cost of manufacture answered the production and application of high-volume, high demand, therefore reduce fiber grating becomes the inexorable trend of future development.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind for multi fiber grating continuously inscribe and
The apparatus and method of line test, this method utilizes phase mask method, so that the production efficiency of fiber grating increases exponentially, reduces
The cost of manufacture of fiber grating, makes it possible the continuous automatic production of fiber grating.
The technical solution adopted by the present invention is that:
It is a kind of continuously to be inscribed for multi fiber grating and the device of on-line testing comprising phase mask plate, stepper motor, guide rail
Platform, optical fiber Individual gripper module, optical spectrum analyser and photoswitch, phase mask plate are fixedly installed in an inscription platform
On, guide rail platform is layed in inscription platform surface, and the opposite platform of inscribing of step motor control guide rail platform moves, more than two
Optical fiber Individual gripper module is arranged in pairs in guide rail platform two sides, and every group of optical fiber Individual gripper module clamps an optical fiber, and light is opened
Closing includes the first photoswitch and the second photoswitch, and the tail end of the optical fiber of guide rail platform side connects optics frequency by the first photoswitch
The tail end of one input terminal of spectrum analysis instrument, the optical fiber of the guide rail platform other side connects optical spectrum analysis by the second photoswitch
Another input terminal of instrument.
Further, optical fiber Individual gripper module more than two is equally spaced is mounted on guide rail platform two sides.
Further, step motor control is loaded with the guide rail platform of optical fiber Individual gripper device and phase mask plate does intermittence
Etc. amount of feed advance.
Further, every optical fiber is clamped after applying pretightning force by one group of optical fiber Individual gripper module.
Further, optical spectrum analyser is used to monitor fiber grating writing parameters and cutting for light source is inscribed in control
It changes, the optical fiber that the first photoswitch and the second photoswitch are used to that optical spectrum analyser to be selected to access.
Further, the invention also discloses one kind continuously inscribes and on-line testing method for multi fiber grating, wraps
Include following steps:
Step 1, optical fiber is held on optical fiber Individual gripper device；
Step 2, stepper motor task driven guide rail platform is advanced, so that first group of optical fiber Individual gripper device is moved to phase mask
The inscription position in plate near field；
Step 3, TCH test channel is switched over by photoswitch, made in the current intelligent acess optical spectrum analysis for inscribing position
Instrument,
Step 4, the intelligent acess laser light source for inscribing position, starts to inscribe, and carries out on-line parameter by optical spectrum analyser
Monitoring；
Step 5, it when optical spectrum analyser monitors that the parameter of fiber grating reaches inscription demand, inscribes and stops and cut off laser
Light source；
Step 6, step motor control guide rail platform is moved to the next position, so that next group of optical fiber Individual gripper device is moved to phase
The inscription position in bit mask plate near field；Step 3-6 is repeated until the inscription of all optical fiber finishes.
Further, optical fiber is just clamped after applying pretightning force in step 1.
Further, in step 1 by the optical fiber of phase mask plate exposure area be remove coat after bare fibre portion
Point.
The invention adopts the above technical scheme, by disposably by more optical fiber multiple moveable light fixed in advance
In fine Individual gripper module, and by the equally spaced installation of optical fiber standalone module and the guide rail platform that opposite can inscribe platform and move,
Optical fiber tail-end is uniformly passed through to photoswitch to be attached with optical spectrum analyser, makes to carry light by the way that control guide rail platform is mobile
The guide rail platform relative phase mask plate of fine Individual gripper device realizes that the amount of feed such as intermittence are mobile.When will be inscribed by photoswitch
Corresponding current inscription intelligent acess realizes the continuous system of the on-line testing of multi fiber grating to optical spectrum analyser
Make.Method production process manual operation of the invention largely reduces, and production efficiency significantly improves, and cost of manufacture is greatly reduced, and fits
For producing the scene of fiber grating in enormous quantities.
Detailed description of the invention
The present invention is described in further details below in conjunction with the drawings and specific embodiments；
Fig. 1 is status diagram when first group of optical fiber Individual gripper module optical fiber of the present invention is inscribed；
Fig. 2 is status diagram when second group of optical fiber Individual gripper module optical fiber of the present invention is inscribed；
Fig. 3 is status diagram when third group optical fiber Individual gripper module optical fiber of the present invention is inscribed.
Specific embodiment
As shown in one of Fig. 1-3, the invention discloses a kind of continuously to inscribe and the dress of on-line testing for multi fiber grating
It sets comprising phase mask plate 101, stepper motor 102, guide rail platform 103, optical fiber Individual gripper module 104, optical spectrum point
Analyzer 107 and photoswitch 106, phase mask plate 101 are fixedly installed on an inscription platform, and guide rail platform 103 is layed in inscription
Platform surface, stepper motor 102 control the opposite platform of inscribing of guide rail platform 103 and move, optical fiber Individual gripper mould more than two
Block 104 is arranged in pairs in 103 two sides of guide rail platform, and every group of optical fiber Individual gripper module 104 clamps an optical fiber 105, photoswitch
106 include the first photoswitch and the second photoswitch, and the tail end of the optical fiber 105 of 103 side of guide rail platform is connected by the first photoswitch
An input terminal of optical spectrum analyser 107 is connect, the tail end of the optical fiber 105 of 103 other side of guide rail platform is opened by the second light
Connection connects another input terminal of optical spectrum analyser 107.
Further, optical fiber Individual gripper module 104 more than two is equally spaced is mounted on 103 two sides of guide rail platform.
Further, stepper motor 102 controls the guide rail platform 103 and phase mask plate for being loaded with optical fiber Individual gripper device
101, which do the amount of feed such as intermittent, advances.
Further, every optical fiber is clamped after applying pretightning force by one group of optical fiber Individual gripper module 104.
Further, optical spectrum analyser 107 is used to monitor fiber grating writing parameters and light source is inscribed in control
The optical fiber that switching, the first photoswitch and the second photoswitch are used to that optical spectrum analyser 107 to be selected to access.
Further, the invention also discloses one kind continuously inscribes and on-line testing method for multi fiber grating, wraps
Include following steps:
Step 1, optical fiber is held on optical fiber Individual gripper device；
Step 2,102 task driven guide rail platform 103 of stepper motor is advanced, so that first group of optical fiber Individual gripper device is moved to phase
The inscription position in 101 near field of bit mask plate；
Step 3, TCH test channel is switched over by photoswitch 106, made in the current intelligent acess optical spectrum for inscribing position
Analyzer 107,
Step 4, the intelligent acess laser light source for inscribing position, starts to inscribe, and is joined online by optical spectrum analyser 107
Number monitoring；
Step 5, it when optical spectrum analyser 107 monitors that the parameter of fiber grating reaches inscription demand, inscribes and stops and cut off
Laser light source；
Step 6, stepper motor 102 controls guide rail platform 103 and is moved to the next position, so that next group of optical fiber Individual gripper device moves
It moves to the inscription position in 101 near field of phase mask plate；Step 3-6 is repeated until the inscription of all optical fiber finishes.
Further, optical fiber is just clamped after applying pretightning force in step 1.
Further, in step 1 by the optical fiber of 101 exposure area of phase mask plate be remove coat after bare fibre
Part.
Basic principle of the invention is:
The optical fiber for applying pretightning force is locked in optical fiber Individual gripper module 104, multiple optical fiber Individual gripper modules are at equal intervals
The guide rail platform 103 for being fixed on the control of stepper motor 102, the tail end of every optical fiber is respectively connected to two sides before starting by inscription
Photoswitch 106, multifiber is connected to by optical spectrum analyser 106 by photoswitch, as shown in Figure 1.
As shown in Figure 1, first group of optical fiber Individual gripper module is located at phase mask plate when carrying out first optical fiber inscription
The inscription position near field inscribes light switch and switches to first optical-fibre channel, and optical spectrum analyser monitors first on-line
The writing parameters of optical fiber cut off ultraviolet source when the parameter monitored reaches demand, and first fiber grating completes.
As shown in Fig. 2, stepper motor 102 controls guide rail platform 103 and carries out straight line fortune when first optical fiber fabrication is completed
It is dynamic, when first group of optical fiber Individual gripper module is mobile, it is accurately controlled second group of optical fiber Individual gripper module and is moved to phase
The inscription position in bit mask plate near field, while switching photoswitch to current optical fiber TCH test channel, connecting laser repeats
The production of two fiber gratings.
Likewise, as shown in figure 3, stepper motor 102 controls guide rail platform 103 by second group of optical fiber Individual gripper module
While mobile, third group optical fiber Individual gripper module is moved to phase mask plate near field and inscribes position, carries out third root optical fiber
The continuous production of grating, it is continuous repeatedly to inscribe.
The invention adopts the above technical scheme, by disposably by more optical fiber multiple moveable light fixed in advance
In fine Individual gripper module 104, and it can put down the equally spaced installation of optical fiber standalone module and relative to the guide rail that platform moves is inscribed
Optical fiber tail-end is uniformly passed through photoswitch 106 and is attached with optical spectrum analyser 107 by platform 103, by controlling guide rail platform
The 103 mobile 103 relative phase mask plates 101 of guide rail platform for making carrying optical fiber Individual gripper device realize that the amount of feed such as intermittence are moved
It is dynamic.Corresponding current inscription intelligent acess realizes multi fiber to optical spectrum analyser 107 when will be inscribed by photoswitch 106
The continuous production of the on-line testing of grating makes.Method production process manual operation of the invention largely reduces, production efficiency at
It improves again, cost of manufacture is greatly reduced, suitable for producing the scene of fiber grating in enormous quantities.
Claims (8)
- Continuously inscribed for multi fiber grating and the device of on-line testing 1. a kind of, it is characterised in that: it include phase mask plate, Stepper motor, guide rail platform, optical fiber Individual gripper module, optical spectrum analyser and photoswitch, phase mask plate are fixedly mounted It is inscribed on platform in one, guide rail platform is layed in inscription platform surface, and step motor control guide rail platform is opposite to inscribe platform fortune Dynamic, optical fiber Individual gripper module more than two is arranged in pairs in guide rail platform two sides, every group of optical fiber Individual gripper module clamping A piece optical fiber, photoswitch include the first photoswitch and the second photoswitch, and the tail end of the optical fiber of guide rail platform side passes through the first light One input terminal of switch connection optical spectrum analyser, the tail end of the optical fiber of the guide rail platform other side are connected by the second photoswitch Connect another input terminal of optical spectrum analyser.
- It a kind of is continuously inscribed for multi fiber grating and the device of on-line testing, feature exist 2. according to claim 1 In: optical fiber Individual gripper module more than two is equally spaced to be mounted on guide rail platform two sides.
- 3. it is according to claim 1 or 2 it is a kind of continuously inscribed for multi fiber grating and the device of on-line testing, feature Be: step motor control is loaded with the guide rail platform of optical fiber Individual gripper device and phase mask plate does the amount of feed row such as intermittent Into.
- It a kind of is continuously inscribed for multi fiber grating and the device of on-line testing, feature exist 4. according to claim 1 In: it is clamped after every optical fiber application pretightning force by one group of optical fiber Individual gripper module.
- It a kind of is continuously inscribed for multi fiber grating and the device of on-line testing, feature exist 5. according to claim 1 Be used to monitor fiber grating writing parameters in: optical spectrum analyser and the switching of light source inscribed in control, the first photoswitch and The optical fiber that second photoswitch is used to that optical spectrum analyser to be selected to access.
- 6. one kind is continuously inscribed and on-line testing method for multi fiber grating, it is characterised in that: itself the following steps are included:Step 1, optical fiber is held on optical fiber Individual gripper device；Step 2, stepper motor task driven guide rail platform is advanced, so that first group of optical fiber Individual gripper device is moved to phase mask The inscription position in plate near field；Step 3, TCH test channel is switched over by photoswitch, made in the current intelligent acess optical spectrum analysis for inscribing position Instrument,Step 4, the intelligent acess laser light source for inscribing position, starts to inscribe, and carries out on-line parameter by optical spectrum analyser Monitoring；Step 5, it when optical spectrum analyser monitors that the parameter of fiber grating reaches inscription demand, inscribes and stops and cut off laser Light source；Step 6, step motor control guide rail platform is moved to the next position, so that next group of optical fiber Individual gripper device is moved to phase The inscription position in bit mask plate near field；Step 3-6 is repeated until the inscription of all optical fiber finishes.
- 7. one kind according to claim 6 is continuously inscribed for multi fiber grating and on-line testing method, it is characterised in that: Optical fiber is just clamped after applying pretightning force in step 1.
- 8. one kind according to claim 6 is continuously inscribed for multi fiber grating and on-line testing method, it is characterised in that: In step 1 by the optical fiber of phase mask plate exposure area be remove coat after plain fiber portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810079001.8A CN110082855B (en) | 2018-01-26 | 2018-01-26 | Device and method for multi-fiber grating continuous writing and on-line testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810079001.8A CN110082855B (en) | 2018-01-26 | 2018-01-26 | Device and method for multi-fiber grating continuous writing and on-line testing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110082855A true CN110082855A (en) | 2019-08-02 |
| CN110082855B CN110082855B (en) | 2022-09-20 |
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| CN201810079001.8A Active CN110082855B (en) | 2018-01-26 | 2018-01-26 | Device and method for multi-fiber grating continuous writing and on-line testing |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1556424A (en) * | 2003-12-31 | 2004-12-22 | 华中科技大学 | Optical fiber tuning wave filter |
| CN101826697A (en) * | 2010-05-26 | 2010-09-08 | 华中科技大学 | Method for manufacturing distributed Bragg reflection optical fiber laser |
| CN101832761A (en) * | 2010-04-30 | 2010-09-15 | 中国计量学院 | Micro-strain optical fibre sensing on-line monitoring device of high temperature pressure pipeline |
| CN101950914A (en) * | 2010-09-06 | 2011-01-19 | 中国科学院上海光学精密机械研究所 | Wavelength Tunable Single Longitudinal Mode Distributed Feedback Fiber Laser |
| CN102221452A (en) * | 2011-06-08 | 2011-10-19 | 武汉理工大学 | Real-time monitoring device for online writing weak optical fiber Bragg grating and application method thereof |
| US20130272656A1 (en) * | 2012-04-11 | 2013-10-17 | O/E Land Inc. | Double-Sided Compression-Tuned Fiber Bragg Grating |
| CN105204295A (en) * | 2015-05-29 | 2015-12-30 | 中国科学院上海光学精密机械研究所 | Arrayed phase mask plate switching device and stepped phase mask plate switching device for etching gratings according to phase mask plate writing method |
-
2018
- 2018-01-26 CN CN201810079001.8A patent/CN110082855B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1556424A (en) * | 2003-12-31 | 2004-12-22 | 华中科技大学 | Optical fiber tuning wave filter |
| CN101832761A (en) * | 2010-04-30 | 2010-09-15 | 中国计量学院 | Micro-strain optical fibre sensing on-line monitoring device of high temperature pressure pipeline |
| CN101826697A (en) * | 2010-05-26 | 2010-09-08 | 华中科技大学 | Method for manufacturing distributed Bragg reflection optical fiber laser |
| CN101950914A (en) * | 2010-09-06 | 2011-01-19 | 中国科学院上海光学精密机械研究所 | Wavelength Tunable Single Longitudinal Mode Distributed Feedback Fiber Laser |
| CN102221452A (en) * | 2011-06-08 | 2011-10-19 | 武汉理工大学 | Real-time monitoring device for online writing weak optical fiber Bragg grating and application method thereof |
| US20130272656A1 (en) * | 2012-04-11 | 2013-10-17 | O/E Land Inc. | Double-Sided Compression-Tuned Fiber Bragg Grating |
| CN105204295A (en) * | 2015-05-29 | 2015-12-30 | 中国科学院上海光学精密机械研究所 | Arrayed phase mask plate switching device and stepped phase mask plate switching device for etching gratings according to phase mask plate writing method |
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| CN110082855B (en) | 2022-09-20 |
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