CN106289339A - Fiber F-P pyrostat based on crystallize and manufacture method - Google Patents
Fiber F-P pyrostat based on crystallize and manufacture method Download PDFInfo
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- CN106289339A CN106289339A CN201610829656.3A CN201610829656A CN106289339A CN 106289339 A CN106289339 A CN 106289339A CN 201610829656 A CN201610829656 A CN 201610829656A CN 106289339 A CN106289339 A CN 106289339A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- 239000000835 fiber Substances 0.000 claims abstract description 133
- 239000013307 optical fiber Substances 0.000 claims abstract description 78
- 239000010980 sapphire Substances 0.000 claims abstract description 70
- 229910052594 sapphire Inorganic materials 0.000 claims abstract description 70
- 239000011162 core material Substances 0.000 claims abstract description 61
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000003466 welding Methods 0.000 claims abstract description 18
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 22
- 238000002360 preparation method Methods 0.000 claims description 20
- 238000005520 cutting process Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 230000004927 fusion Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 239000010437 gem Substances 0.000 claims description 4
- 229910001751 gemstone Inorganic materials 0.000 claims description 4
- 239000002019 doping agent Substances 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- 241001062009 Indigofera Species 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004064 recycling Methods 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000000717 retained effect Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 5
- 238000000985 reflectance spectrum Methods 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000001953 sensory effect Effects 0.000 description 3
- 238000009628 steelmaking Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003595 spectral effect Effects 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)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
The invention discloses Fabry Perot chamber pyrostat and the manufacture method of a kind of core material crystallize；Sensor is derived the optical fiber interference cavity as Fabry Perot by the sapphire of high concentration aluminium oxide doping silicon dioxide fibre core, first reflecting mirror of interference cavity is derived optical fiber crystallize district and constitutes by sapphire, second reflecting mirror of interference cavity can be derived the end face after optical fiber cuts flat with by sapphire and constitute, it is possible to is derived optical fiber crystallize district by sapphire and constitutes.Manufacture method is first reflecting mirror single-mode fiber to be derived fused fiber splice with sapphire and prepares the first fibre core crystallize district；Sapphire directly can be derived fiber cut and prepare by second reflecting mirror, or forms the second crystallize district with another root single-mode fiber welding again；The middle sapphire retained derives optical fiber and is interference cavity.This pyrostat applies to be had the sapphire of resistance to elevated temperatures and derives optical fiber, can be used for high temperature detection, and device manufacture method is simple, with low cost.
Description
Technical field
The present invention relates to a kind of fiber Fabry-Pérot cavity pyrostat and manufacture method, particularly relate to a kind of based on
The fiber Fabry-Pérot cavity pyrostat of core material crystallize and manufacture method thereof, belong to field of fiber optics.
Background technology
Since the seventies in last century, sensory field of optic fibre quickly grows.Optical fiber and optical fibre device are the biographies of Fibre Optical Sensor
Defeated medium, the height of its development degree decides the development of sensory field of optic fibre to a great extent.Fibre Optical Sensor is anti-interference
Ability is strong, good insulating, degree of safety are high, highly sensitive, lightweight and volume is little is easily integrated, thus such as builds in a lot of industries
Build the fields such as safety monitoring, power system, petrochemical industry, biological raw doctor, Aero-Space, environment protection and monitoring and national defense safety equal
There is wide and important application prospect.Along with the fast development of sensory field of optic fibre, the requirement to optical fibre device is more and more higher,
Particularly at high-temperature field, as under Oil/gas Well, in aero-engine, steelmaking furnace etc., be required for Fibre Optical Sensor and there is resistance to height
Warm nature energy.
Summary of the invention
It is an object of the invention to provide a kind of fiber Fabry-Pérot cavity pyrostat based on crystallize and manufacturer
Method.
For reaching above-mentioned purpose, the present invention uses following technical proposals:
Technical scheme one:
A kind of fiber Fabry-Pérot cavity pyrostat based on crystallize, including single-mode fiber, sapphire derive optical fiber,
One fibre core crystallize district and sapphire derive fiber end face.Sapphire derives fiber core crystallize district and sapphire derives optical fiber end
Face is respectively as two reflecting mirrors of Fabry-Perot-type cavity, and sapphire between the two derives fiber segment as Fabry-Perot
Interference cavity.
The preparation method of a kind of fiber Fabry-Pérot cavity pyrostat based on crystallize, comprises the following steps:
Step 1: take a single-mode fiber, is positioned over heat sealing machine after its one end being peelled off coating and cutting flat with optical fiber cutter
In the fixture of the left side；
Step 2: then take one section of sapphire and derive optical fiber, places after its one end being peelled off coating and cutting flat with optical fiber cutter
In the right fixture of heat sealing machine；
Step 3: utilizing heat sealing machine that two the most aligned optical fiber carry out welding of discharging, the sapphire near fusion point spreads out
The long and slender in-core of the third contact of a total solar or lunar eclipse forms the first fibre core crystallize district；
Step 4: determine that required sapphire derives fiber Fabry-Pérot cavity long, remaining blue precious with optical fiber cutter excision
Stone derives optical fiber, the most i.e. completes the preparation of fiber Fabry-Pérot cavity pyrostat based on crystallize.
It is the alumina doped silica fibre of high concentration that described sapphire derives optical fiber.
Described sapphire derives the preparation method of optical fiber and comprises the following steps:
Step A: utilize rod-in-tube technique to make preform: sleeve pipe is that real pure quartz hollow pipe is received in one end, and plug is that monocrystalline is blue
Gem stick；
Step B: utilize silica fibre drawing process, the sapphire that preform is drawn into high-concentration dopant aluminium oxide derives
Optical fiber.
Technical scheme two:
Second reflecting mirror of Fabry-Perot-type cavity also can be derived optical fiber and another root single-mode fiber welding by the sapphire after cutting off
The the second fibre core crystallize district formed realizes.
The preparation method of a kind of fiber Fabry-Pérot cavity pyrostat based on crystallize, comprises the following steps:
Step 1: take a single-mode fiber, is positioned over heat sealing machine after its one end being peelled off coating and cutting flat with optical fiber cutter
In the fixture of the left side；
Step 2: then take one section of sapphire and derive optical fiber, places after its one end being peelled off coating and cutting flat with optical fiber cutter
In the right fixture of heat sealing machine；
Step 3: utilizing heat sealing machine that two the most aligned optical fiber carry out welding of discharging, the sapphire near fusion point spreads out
The long and slender in-core of the third contact of a total solar or lunar eclipse forms the first fibre core crystallize district；
Step 4: determine that required sapphire derives fiber Fabry-Pérot cavity long, remaining blue precious with optical fiber cutter excision
Stone derives optical fiber；
Step 5: utilize optical fiber splicer, by said structure and the second single-mode fiber welding, the sapphire near fusion point spreads out
The long and slender in-core of the third contact of a total solar or lunar eclipse forms the second fibre core crystallize district, the most i.e. completes fiber Fabry-Pérot cavity high temp sensitive based on crystallize
The preparation of device.
The preparation method in the second fibre core crystallize district is identical with the preparation method in the first fibre core crystallize district, heat sealing machine electrode high pressure
Electric discharge the position of two fiber end faces is heated rapidly, after welding completes again rapid drawdown to room temperature.
Use technique scheme, obtain following beneficial effect:
The advantages such as 1, the present invention is compared with conventional Fabry-Perot-type cavity sensing, has Financial cost low, and method is simple, the most logical
Cross heat sealing machine and just can prepare the interference Fabry-Perot interference chamber that contrast is big, Free Spectral Range is controlled, stability is high.
2, the Fabry-Perot-type cavity device medium of the present invention is high concentration aluminium oxide doping silicon dioxide material, and fibre core is analysed
Crystalline region is made up of high temperature resistant submicron alumina crystal grain especially, and therefore, this device has resistance to elevated temperatures, explore at Oil/gas Well,
The fields such as aero-engine condition monitoring, steelmaking furnace safety monitoring have wide practical use.
Accompanying drawing explanation
Fig. 1 is embodiment 1 structural representation in the present invention；
Fig. 2 is embodiment 2 structural representation in the present invention；
Fig. 3 is the flow chart of embodiment 1 in the present invention；
Fig. 4 is the flow chart of embodiment 2 in the present invention；
Fig. 5 is the reflectance spectrum waveform of embodiment 1 in the present invention；
Fig. 6 is the reflectance spectrum waveform of embodiment 2 in the present invention；
Wherein:
1-the first single-mode fiber, 2-sapphire derives optical fiber, 3-the first fibre core crystallize district, the position of 4-two fiber end face, 5-
Two fibre core crystallize districts, 6-the second single-mode fiber.
Specific implementation method
The preferred embodiments of the present invention accompanying drawings are as follows:
Embodiment 1:
As it is shown in figure 1, a kind of fiber Fabry-Pérot cavity pyrostat based on crystallize, including single-mode fiber 1, sapphire
Derivative optical fiber the 2, first fibre core crystallize district 3 and sapphire derive fiber end face 4.Sapphire derives fiber core crystallize district 3 He
Sapphire derives the fiber end face 4 two reflecting mirrors respectively as Fabry-Perot-type cavity, and sapphire between the two derives optical fiber
Duan Zuowei Fabry-Perot interference chamber.Described single-mode fiber internal diameter 9 μm external diameter, 125 μm, sapphire derives optical fiber internal diameter 18 μ
M, external diameter 125 μm；
Embodiment 2:
As in figure 2 it is shown, the second reflecting mirror of Fabry-Perot-type cavity also can be derived optical fiber and another root list by the sapphire after cutting off
The second fibre core crystallize district 5 that mode fiber 6 welding is formed realizes.Described single-mode fiber internal diameter 9 μm, external diameter 125 μm, sapphire spreads out
Third contact of a total solar or lunar eclipse fibre internal diameter 18 μm, external diameter 125 μm；Described sapphire derives the first fibre core crystallize district 3 and the second fibre core crystallize of optical fiber
District 5 is respectively as two reflecting mirrors of Fabry-Perot-type cavity, and sapphire between the two derives fiber segment as Fabry-Perot
Sieve interference cavity.
The preparation flow of embodiment 1:
As it is shown on figure 3, a kind of based on crystallize fiber Fabry-Pérot cavity pyrostat described in a kind of technical scheme one
Preparation method, comprises the following steps:
Step 1: take a single-mode fiber 1, is positioned over heat sealing machine after its one end being peelled off coating and cutting flat with optical fiber cutter
In the fixture of the left side；
Step 2: then take one section of sapphire and derive optical fiber 2, places after its one end being peelled off coating and cutting flat with optical fiber cutter
In the right fixture of heat sealing machine；
Step 3: utilizing heat sealing machine that two the most aligned optical fiber carry out welding of discharging, the sapphire near fusion point spreads out
The long and slender in-core of the third contact of a total solar or lunar eclipse forms the first fibre core crystallize district 3；
Step 4: determine that required sapphire derives fiber Fabry-Pérot cavity long, remaining blue precious with optical fiber cutter excision
Stone derives optical fiber, is put into optical fiber cutter by the optical fiber after welding after heat sealing machine takes off, and finds fibre core to analyse under the microscope
Position, crystalline region, at distance fibre core crystallize zone position 30-500 μm, derives fiber cut with optical fiber cutter by sapphire, this
Sample, fibre core crystallize zone position just constitutes the Fabry-Perot interference cavity sensor of 30-500 μm chamber length to end face, complete based on
The preparation of the fiber Fabry-Pérot cavity pyrostat of core material crystallize.
It is the alumina doped silica fibre of high concentration that described sapphire derives optical fiber.
Described sapphire derives the preparation method of optical fiber and comprises the following steps:
Step A: utilize rod-in-tube technique to make preform: sleeve pipe is that real pure quartz hollow pipe is received in one end, and plug is that monocrystalline is blue
Gem stick；
Step B: utilize silica fibre drawing process, the sapphire that preform is drawn into high-concentration dopant aluminium oxide derives
Optical fiber 2.
It is to melt with single-mode fiber by deriving optical fiber at sapphire that described sapphire derives the fibre core crystallize district in fiber core
Being formed when connecing, heat sealing machine electrode electrion makes the position near two fiber end faces heat rapidly, the most rapid after welding completes
Being down to room temperature, this heat treatment process makes sapphire form, in deriving fiber core, the first fibre core that submicron order is alumina doped
Crystallize district 3.
The preparation flow of embodiment 2:
As shown in Figure 4, a kind of based on crystallize fiber Fabry-Pérot cavity pyrostat described in a kind of technical scheme two
Preparation method, comprises the following steps:
Step 1: take a single-mode fiber 1, is positioned over heat sealing machine after its one end being peelled off coating and cutting flat with optical fiber cutter
In the fixture of the left side；
Step 2: then take one section of sapphire and derive optical fiber 2, places after its one end being peelled off coating and cutting flat with optical fiber cutter
In the right fixture of heat sealing machine；
Step 3: utilizing heat sealing machine that two the most aligned optical fiber carry out welding of discharging, the sapphire near fusion point spreads out
The long and slender in-core of the third contact of a total solar or lunar eclipse forms the first fibre core crystallize district 3；
Step 4: determine that required sapphire derives fiber Fabry-Pérot cavity long, remaining blue precious with optical fiber cutter excision
Stone derives optical fiber, is put into optical fiber cutter by the optical fiber after welding after heat sealing machine takes off, and finds fibre core to analyse under the microscope
Position, crystalline region, at distance fibre core crystallize zone position 330-800 μm, derives fiber cut with optical fiber cutter by sapphire；
Step 5: with optical fiber splicer, said structure is continued and the second single-mode fiber 6 welding, forms the second fibre core crystallize district 5.
So, the first fibre core crystallize district 3 and the second fibre core crystallize district 5 just constitute the Fabry-Perot interference chamber of 30-500 μm chamber length
Sensor.
After light wave transmissions entrance sapphire in single-mode fiber 1 derives optical fiber 2, arrive sapphire and derive the fibre of inside of optical fibre
Core crystallize district 3, the i.e. first reflecting mirror, part light can reflect, and some light transmission crosses fibre core crystallize district.Light through fibre core crystallize district
Being transferred to sapphire and derive fiber end face 4 or the second fibre core crystallize district 5, the i.e. second reflecting mirror, part luminous reflectance returns sapphire
Derivative optical fiber, rear section fiber waveguide interreflection between two minute surfaces, constitute Fabry-Perot interference chamber, logical
Cross single-mode fiber 1 detection reflection light, i.e. can observe Fabry-Perot interference spectrum.
See Fig. 5, utilize conventional broadband light source to combine the reflectance spectrum method of testing of fiber spectrometer, to shown in Fig. 1
Fiber Fabry-Pérot cavity pyrostat spectrum based on core material crystallize is tested, and can observe high contrast
Degree Fabry-Perot interference spectrum.
See Fig. 6, utilize conventional broadband light source to combine the reflectance spectrum method of testing of fiber spectrometer, to shown in Fig. 2
Fiber Fabry-Pérot cavity pyrostat spectrum based on core material crystallize is tested, and can observe high contrast
Degree Fabry-Perot interference spectrum.
The present invention utilizes heat sealing machine sapphire to derive optical fiber and the good welding of single-mode fiber, due to high-field electrode heat discharge
Treatment Effects, derives fiber core at sapphire and can form fibre core crystallize district, and this fibre core crystallize district refractive index increases, and utilizes it to make
For reflecting mirror, so that it may prepare the Fabry-Perot cavity sensor deriving optical fiber based on sapphire.It addition, the Fabry of the present invention-
Perot cavity device medium is high concentration aluminium oxide doping silicon dioxide material, and fibre core crystallize district is aoxidized by high temperature resistant submicron especially
Aluminium grain is constituted, and therefore, this device has resistance to elevated temperatures, can measure in high temperature environments, and has device manufacture method letter
Single, the advantage such as with low cost, have extensively in fields such as Oil/gas Well exploration, aero-engine condition monitoring, steelmaking furnace safety monitorings
General application prospect.
Claims (7)
1. a fiber Fabry-Pérot cavity pyrostat based on crystallize, it is characterised in that: include the first single-mode fiber
(1), sapphire derives optical fiber (2), the first fibre core crystallize district (3) and sapphire and derives fiber end face (4)；Sapphire derives light
The first fibre core crystallize district (3) of fine (2) and sapphire derive fiber end face (4) respectively as two of Fabry-Perot-type cavity instead
Penetrating mirror, sapphire between the two derives fiber segment as Fabry-Perot interference chamber.
2. according to the fiber Fabry-Pérot cavity pyrostat based on crystallize described in right 1, it is characterised in that: Fiber Optic Sensor
Second reflecting mirror of Fabry-Perot-type cavity also can be derived optical fiber (2) and the second single-mode fiber (6) welding shape by the sapphire after cutting off
The the second fibre core crystallize district (5) become realizes.
3. according to a preparation method for the Fabry-Perot-type cavity pyrostat of the core material crystallize described in right 1, feature
It is:
Comprise the following steps:
Step 1: take the first single-mode fiber (1), is positioned over heat sealing machine after its one end being peelled off coating and cutting flat with optical fiber cutter
A fixture in；
Step 2: then take one section of sapphire and derive optical fiber (2), puts after its one end being peelled off coating and cutting flat with optical fiber cutter
It is placed in another fixture of heat sealing machine；
Step 3: utilizing heat sealing machine that two the most aligned optical fiber carry out welding of discharging, the sapphire near fusion point spreads out
The long and slender in-core of the third contact of a total solar or lunar eclipse forms the first fibre core crystallize district (3)；
Step 4: determine that required to derive the Fabry-Perot-type cavity chamber of optical fiber based on sapphire long, remaining with optical fiber cutter excision
Under sapphire derive optical fiber.
4. according to a preparation method for the fiber Fabry-Pérot cavity pyrostat based on crystallize described in right 3, feature
It is: it is the alumina doped silica fibre of high concentration that described sapphire derives optical fiber, possesses high-temperature stability.
5. according to a preparation method for the fiber Fabry-Pérot cavity pyrostat based on crystallize described in right 4, feature
It is:
Described sapphire derives the preparation method of optical fiber and comprises the following steps:
Step A: utilize rod-in-tube technique to make preform: sleeve pipe is that real pure quartz hollow pipe is received in one end, and plug is that monocrystalline is blue
Gem stick；
Step B: utilize silica fibre drawing process, the sapphire that preform is drawn into high-concentration dopant aluminium oxide derives
Optical fiber.
6. according to a preparation method for the fiber Fabry-Pérot cavity pyrostat based on crystallize described in right 2, feature
It is: also include preparing the step in the second fibre core crystallize district (5): find the position in the first fibre core crystallize district (3) under the microscope,
At its 330-800 μm, with optical fiber cutter, sapphire being derived optical fiber (2) and cut off, recycling optical fiber splicer is by indigo plant
Gem derives optical fiber (2) and the second single-mode fiber (6) welding, forms the second fibre core crystallize district (5).
7., according to the fiber Fabry-Pérot cavity pyrostat based on crystallize described in right 6, it is characterised by: the second fibre core
The preparation method in crystallize district (5) is identical with the preparation method in the first fibre core crystallize district (3), and heat sealing machine electrode electrion makes two
The position of fiber end face is heated rapidly, after welding completes again rapid drawdown to room temperature.
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| CN201610829656.3A CN106289339B (en) | 2016-09-19 | 2016-09-19 | Fiber Fabry-Pérot cavity pyrostat and manufacturing method based on crystallization |
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| CN201610829656.3A CN106289339B (en) | 2016-09-19 | 2016-09-19 | Fiber Fabry-Pérot cavity pyrostat and manufacturing method based on crystallization |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375348A (en) * | 2018-05-23 | 2018-08-07 | 深圳大学 | A kind of preparation method of optical fibre bending sensor and optical fibre bending sensor |
| CN109029519A (en) * | 2018-09-28 | 2018-12-18 | 西安石油大学 | A kind of preparation method of the fiber F-P cavity sensor of fiber optic tip increasing plating UV glue film |
| CN109060203A (en) * | 2018-08-06 | 2018-12-21 | 上海大学 | Intrinsical Fabry-Perot pull sensing device and its manufacturing method based on Modulation Based on Optical Fiber Fused Taper |
| CN109282914A (en) * | 2018-11-16 | 2019-01-29 | 长飞光纤光缆股份有限公司 | A kind of micromation pyrostat and preparation method thereof based on Fabry Perot chamber |
| CN109520654A (en) * | 2018-10-30 | 2019-03-26 | 上海大学 | Intrinsical Fabry-Perot strain gauge and its manufacturing method based on Modulation Based on Optical Fiber Fused Taper |
| CN110160571A (en) * | 2019-05-31 | 2019-08-23 | 上海大学 | It is a kind of based on the Fabry Perot sensor of silicon core fibre and its preparation and application |
| CN110411488A (en) * | 2019-07-16 | 2019-11-05 | 武汉理工大学 | Sapphire fiber FP sensor interferometer composes the Pattern Filter device of visibility enhancing |
| CN111854813A (en) * | 2020-07-27 | 2020-10-30 | 中国电子科技集团公司第四十九研究所 | Temperature self-compensation type extrinsic Fabry-Perot cavity and manufacturing method thereof |
| CN114777836A (en) * | 2022-03-10 | 2022-07-22 | 吉林大学 | Optical fiber high-temperature stress sensor based on yttrium aluminum garnet crystal derived optical fiber and preparation method thereof |
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