CN110017855A - The manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type - Google Patents
The manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type Download PDFInfo
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- CN110017855A CN110017855A CN201910318969.6A CN201910318969A CN110017855A CN 110017855 A CN110017855 A CN 110017855A CN 201910318969 A CN201910318969 A CN 201910318969A CN 110017855 A CN110017855 A CN 110017855A
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- Prior art keywords
- optical fiber
- capillary
- highly sensitive
- manufacturing
- encapsulation type
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 178
- 238000005538 encapsulation Methods 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims abstract description 56
- 238000000576 coating method Methods 0.000 claims abstract description 56
- 239000000835 fiber Substances 0.000 claims abstract description 16
- 239000003292 glue Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 9
- 238000001228 spectrum Methods 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 235000019441 ethanol Nutrition 0.000 claims description 4
- 238000003032 molecular docking Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
Abstract
This application involves sensor correlative technology fields, and in particular to a kind of manufacturing method of the highly sensitive optical fibre interferometric sensor of manufacturing method the application capillary encapsulation type of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type includes: the optical fiber coating of removing optical fiber one end；It checks optical fiber flatness, and ensures that fiber end face is smooth；One end of the removing optical fiber coating of a piece optical fiber is inserted into from the first end of capillary, one end of the removing optical fiber coating of another optical fiber is inserted into from the second end of capillary, so that the gap of the first preset length in capillary between two optical fiber with pre-determined distance；Glue is dripped respectively at the first end of capillary and second segment.
Description
Technical field
This application involves sensor correlative technology fields, and in particular to a kind of highly sensitive fiber optic interferometric biography of capillary encapsulation type
The manufacturing method of sensor.
Background technique
In the fields such as machine-building, architectural design, bridge rail, the Bending Deformation of cellular construction has become product quality
With the important Testing index of engineering safety.Curvature sensor can effectively meet the measurement request of each structure in engineering, including load
The strain etc. of steel when the bending of lower part, the strain of concrete structure and train cross rail.High-precision curvature sensor for
Improve product quality, reduce the wasting of resources, reduce security risk etc. has great importance.
Current curvature sensor is the sensor based on piezoelectric effect, and anti-electromagnetic interference capability is poor.
Summary of the invention
The application provides a kind of manufacturing method of highly sensitive optical fibre interferometric sensor of capillary encapsulation type, bent at present to solve
Rate sensor is the sensor based on piezoelectric effect, the problem of anti-electromagnetic interference capability difference.
The manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type provided by the present application, comprising:
Remove the optical fiber coating of optical fiber one end；
It checks optical fiber flatness, and ensures that fiber end face is smooth；
One end of the removing optical fiber coating of piece optical fiber is inserted into from the first end of capillary, by removing for another optical fiber
One end of optical fiber coating is gone to be inserted into from the second end of capillary, so that having pre-determined distance in capillary between two optical fiber
The gap of first preset length；
Glue is dripped respectively at the first end of capillary and second segment.
Optionally, one end of the removing optical fiber coating by an optical fiber is inserted into from the first end of capillary, will be another
One end of the removing optical fiber coating of a piece optical fiber is inserted into from the second end of capillary, so that having between two optical fiber in capillary
The method for having the gap of pre-determined distance includes:
One end of the removing optical fiber coating of a piece optical fiber is inserted into from the first end of capillary；
By another optical fiber remove optical fiber coating from one end be inserted into from the second end of capillary, until two optical fiber
Docking；
A wherein optical fiber is chosen, the first preset length is pulled out.
Optionally, it is described by another optical fiber remove optical fiber coating from one end be inserted into from the second end of capillary,
Until two fiber alignments include:
The spectrum between two optical fiber being inserted into capillary is obtained, and the variation based on spectrum judges two optical fiber
Whether dock.
Optionally, when straight line effect is presented in spectrum, two fiber alignments.
Optionally, the optical fiber coating for removing optical fiber one end includes:
Remove the optical fiber coating of second preset length of optical fiber one end；
Wherein, the first preset length is the length of capillary plus two the second preset lengths.
One end of the removing optical fiber coating by an optical fiber is inserted into from the first end of capillary, by another optical fiber
Remove optical fiber coating from one end be inserted into from the second end of capillary so that having between two optical fiber in capillary default
The gap of distance includes:
One end of the removing optical fiber coating of a piece optical fiber is inserted into from the first end of capillary, until removing optical fiber coating
The part of layer is completely into capillary；
One end of the removing optical fiber coating of another optical fiber is inserted into from the second end of capillary, is applied until removing optical fiber
The part of coating is completely into capillary.
Optionally, first pre-determined distance is 1.5mm.
Optionally, 140 μm of the internal diameter of the capillary.
Optionally, the length of the capillary is 80mm, and the first preset length is 39.25mm.
Optionally, the inspection optical fiber flatness, and ensure that fiber end face is smooth and include:
It is whether smooth that optical fiber is placed in observation end face in heat sealing machine；
If end face out-of-flatness, cutter cutting optical fibre；
Repeat the above steps until whether fiber end face is smooth.
Optionally, it is described by optical fiber be placed in heat sealing machine observe end face it is whether smooth before further include:
Use the cotton clean surface for being moistened with ethyl alcohol.
Compared to the prior art, it is used in the manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type of the present invention
The mode of the highly sensitive optical fiber of capillary encapsulation type makes sensor, produces when being propagated in the gap between two optical fiber by light
Raw envelope trough realizes curvature sensing as sensing scale, achieves preferable effect and anti-electromagnetic interference capability is strong.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The application can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
Fig. 1 is the process signal of the manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type provided by the present application
Figure；
Fig. 2 is the structural schematic diagram of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type provided by the present application；
Fig. 3 is the middle drop glue mistake of the manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type provided by the present application
The schematic diagram of journey.
Appended drawing reference:
1- capillary, 2- coating, 3- optical fiber, 4- glue.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the application.
In the fields such as machine-building, architectural design, bridge rail, the Bending Deformation of cellular construction has become product quality
With the important Testing index of engineering safety.Curvature sensor can effectively meet the measurement request of each structure in engineering, including load
The strain etc. of steel when the bending of lower part, the strain of concrete structure and train cross rail.High-precision curvature sensor for
Improve product quality, reduce the wasting of resources, reduce security risk etc. has great importance.Current curvature sensor is
Sensor based on piezoelectric effect, anti-electromagnetic interference capability are poor.
Fig. 1 is the process signal of the manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type provided by the present application
Figure；Exhibition Fig. 1, the application provide a kind of manufacturing method of highly sensitive optical fibre interferometric sensor of capillary encapsulation type, comprising:
S101 removes the optical fiber coating of optical fiber one end；
S102 checks optical fiber flatness, and ensures that fiber end face is smooth；
Specifically, the method for detection fiber flatness are as follows:
Use the cotton clean surface for being moistened with ethyl alcohol；
It is whether smooth that optical fiber is placed in observation end face in heat sealing machine；
If end face out-of-flatness, cutter cutting optical fibre；
Repeat the above steps until whether fiber end face is smooth.
So set, ensure that section does not have spot completely using the cotton clean surface for being moistened with ethyl alcohol, spot is avoided
Influence the heat sealing machine judgement whether smooth for end face.
If end face out-of-flatness, cutter cutting optical fibre；Until obtaining smooth section.
It is to be understood that whether end face is smooth to be related to that the highly sensitive optical fibre interferometric sensor of capillary encapsulation type has made
The effect of the envelope trough of generation after.
One end of the removing optical fiber coating of a piece optical fiber is inserted into, by another light by S103 from the first end of capillary
One end of fine removing optical fiber coating is inserted into from the second end of capillary, so that having between two optical fiber in capillary default
The gap of first preset length of distance；
S104 drips glue at the first end of capillary and second segment respectively.
Fig. 3 is the middle drop glue mistake of the manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type provided by the present application
The schematic diagram of journey.Referring to Fig. 3, glue is dripped respectively at the first end of capillary 1 and second segment, later due to capillary phenomenon, glue
Liquid 4 can fill automatically into the gap between capillary and optical fiber 3.Wait for a moment quietly, optical fiber 3 can be fixed on inside capillary.
Fig. 2 is the structural schematic diagram of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type provided by the present application；By upper
Operation is stated, the highly sensitive optical fibre interferometric sensor of capillary encapsulation type as shown in Figure 2 can be made.(it should be noted that Fig. 2
In and be not drawn into glue)
Compared to the prior art, it is used in the manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type of the present invention
The mode of the highly sensitive optical fiber of capillary encapsulation type makes sensor, produces when being propagated in the gap between two optical fiber by light
Raw envelope trough realizes curvature sensing as sensing scale, achieves preferable effect and anti-electromagnetic interference capability is strong.
Further, step S103, in " by one end of the removing optical fiber coating of optical fiber from the first end of capillary
One end of the removing optical fiber coating of another optical fiber is inserted into, so that two in capillary by insertion from the second end of capillary
There is the gap of pre-determined distance between optical fiber " there are two ways to
A kind of method are as follows:
One end of the removing optical fiber coating of a piece optical fiber is inserted into from the first end of capillary；
By another optical fiber remove optical fiber coating from one end be inserted into from the second end of capillary, until two optical fiber
Docking；Wherein, it is ensured that the method for two fiber alignments are as follows: the spectrum between two optical fiber being inserted into capillary is obtained,
And the variation based on spectrum judges whether two optical fiber dock, and when straight line effect is presented in spectrum, two fiber alignments.
A wherein optical fiber is chosen, the first preset length is pulled out.
The endface position of two optical fiber can be guaranteed by being arranged such, at the same by wherein optical fiber withdraw from length come it is true
The length of fixed gap, so that the length in gap is more intuitive.
Another method are as follows:
Remove the optical fiber coating of second preset length of optical fiber one end；(or choose one end and removed optical fiber coating
Optical fiber, by the portion intercepts of the removal optical fiber coating of the optical fiber to the second preset length)
Wherein, the first preset length is the length of capillary plus two the second preset lengths.
One end of the removing optical fiber coating of piece optical fiber is inserted into from the first end of capillary, by removing for another optical fiber
Go optical fiber coating from one end from the second end of capillary be inserted into so that in capillary between two optical fiber have pre-determined distance
Gap include:
One end of the removing optical fiber coating of a piece optical fiber is inserted into from the first end of capillary, until removing optical fiber coating
The part of layer is completely into capillary；
One end of the removing optical fiber coating of another optical fiber is inserted into from the second end of capillary, is applied until removing optical fiber
The part of coating is completely into capillary.
It establishes a capital it should be noted that the part of the removal optical fiber coating of certain two optical fiber is different as the second default length
Degree, it is only necessary to which the sum of length of part of removal optical fiber coating of two optical fiber is the sum of two second preset lengths.
Specifically, the first pre-determined distance can be 1.5mm；Optionally, 140 μm of the internal diameter of capillary；The length of capillary
For 80mm, the first preset length is 39.25mm (part of the removing optical fiber coating of every optical fiber is 39.25mm).
Alternatively, the first pre-determined distance can be 1.5mm；Optionally, 140 μm of the internal diameter of capillary；The length of capillary is
80mm, the length of the part of the removing optical fiber coating of an optical fiber are 39mm, the removing optical fiber coating of another optical fiber
Partial length is 39.5mm.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that term " first ", " second " etc. are used for description purposes only in the description of the present application, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present application, unless otherwise indicated, the meaning of " multiple "
Refer at least two.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the application includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be by the application
Embodiment person of ordinary skill in the field understood.
It should be appreciated that each section of the application can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
Suddenly be that relevant hardware can be instructed to complete by program, program can store in a kind of computer readable storage medium
In, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, can integrate in a processing module in each functional unit in each embodiment of the application
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.If integrated module with
The form of software function module is realized and when sold or used as an independent product, also can store computer-readable at one
It takes in storage medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the application.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example
Property, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type characterized by comprising
Remove the optical fiber coating of optical fiber one end；
It checks optical fiber flatness, and ensures that fiber end face is smooth；
One end of the removing optical fiber coating of a piece optical fiber is inserted into from the first end of capillary, another removing for optical fiber is delustered
One end of fine coat is inserted into from the second end of capillary, so that having the first of pre-determined distance in capillary between two optical fiber
The gap of preset length；
Glue is dripped respectively at the first end of capillary and second segment.
2. the manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type according to claim 1, feature exist
In one end of the removing optical fiber coating by optical fiber is inserted into from the first end of capillary, by removing for another optical fiber
One end of optical fiber coating is gone to be inserted into from the second end of capillary, so that having pre-determined distance in capillary between two optical fiber
The method in gap includes:
One end of the removing optical fiber coating of a piece optical fiber is inserted into from the first end of capillary；
By another optical fiber remove optical fiber coating from one end be inserted into from the second end of capillary, until two optical fiber pair
It connects；
A wherein optical fiber is chosen, the first preset length is pulled out.
3. the manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type according to claim 2, feature exist
In, it is described by another optical fiber remove optical fiber coating from one end be inserted into from the second end of capillary, until two optical fiber
Docking includes:
The spectrum between two optical fiber being inserted into capillary is obtained, and whether the variation based on spectrum judges two optical fiber
Docking.
4. the manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type according to claim 3, feature exist
In, when straight line effect is presented in spectrum, two fiber alignments.
5. the manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type according to claim 3, feature exist
In the optical fiber coating for removing optical fiber one end includes:
Remove the optical fiber coating of second preset length of optical fiber one end；
Wherein, the first preset length is the length of capillary plus two the second preset lengths；
One end of the removing optical fiber coating by optical fiber is inserted into from the first end of capillary, by removing for another optical fiber
Go optical fiber coating from one end from the second end of capillary be inserted into so that in capillary between two optical fiber have pre-determined distance
Gap include:
One end of the removing optical fiber coating of a piece optical fiber is inserted into from the first end of capillary, until removing optical fiber coating
Part is completely into capillary；
One end of the removing optical fiber coating of another optical fiber is inserted into from the second end of capillary, until removing optical fiber coating
Part completely into capillary.
6. the manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type according to claim 1, feature exist
In first pre-determined distance is 1.5mm.
7. the manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type according to claim 1, feature exist
In 140 μm of the internal diameter of the capillary.
8. the manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type according to claim 5, feature exist
In the length of the capillary is 80mm, and the first preset length is 39.25mm.
9. the manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type according to claim 1, feature exist
In, the inspection optical fiber flatness, and ensure that fiber end face is smooth and include:
It is whether smooth that optical fiber is placed in observation end face in heat sealing machine；
If end face out-of-flatness, cutter cutting optical fibre；
Repeat the above steps until whether fiber end face is smooth.
10. the manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type according to claim 9, feature exist
In, it is described by optical fiber be placed in heat sealing machine observe end face it is whether smooth before further include:
Use the cotton clean surface for being moistened with ethyl alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910318969.6A CN110017855A (en) | 2019-04-19 | 2019-04-19 | The manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910318969.6A CN110017855A (en) | 2019-04-19 | 2019-04-19 | The manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type |
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| CN110017855A true CN110017855A (en) | 2019-07-16 |
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| CN201910318969.6A Withdrawn CN110017855A (en) | 2019-04-19 | 2019-04-19 | The manufacturing method of the highly sensitive optical fibre interferometric sensor of capillary encapsulation type |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010055697A (en) * | 1999-12-11 | 2001-07-04 | 정명세 | Total reflected extrinsic Fabry-Perot interferometric fiber optic sensor and the strain measurement methods |
| CN2549430Y (en) * | 2002-05-30 | 2003-05-07 | 欧进萍 | Optical fiber raster capillary packed strain gauge |
| CN101451959A (en) * | 2008-12-30 | 2009-06-10 | 清华大学 | Hydrogen sensor and pd film hydrogen sensing system |
| CN101476899A (en) * | 2009-01-17 | 2009-07-08 | 大连理工大学 | Production method for extrinsic F-P optical fiber sensor |
| CN202041222U (en) * | 2011-03-29 | 2011-11-16 | 哈尔滨工程大学 | In-wall waveguide long-period fiber grating sensor |
| CN102374874A (en) * | 2011-09-20 | 2012-03-14 | 重庆大学 | Quartz capillary tube embedded all-silica fiber Fabry-Perot interferometric sensor and manufacturing method thereof |
-
2019
- 2019-04-19 CN CN201910318969.6A patent/CN110017855A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010055697A (en) * | 1999-12-11 | 2001-07-04 | 정명세 | Total reflected extrinsic Fabry-Perot interferometric fiber optic sensor and the strain measurement methods |
| CN2549430Y (en) * | 2002-05-30 | 2003-05-07 | 欧进萍 | Optical fiber raster capillary packed strain gauge |
| CN101451959A (en) * | 2008-12-30 | 2009-06-10 | 清华大学 | Hydrogen sensor and pd film hydrogen sensing system |
| CN101476899A (en) * | 2009-01-17 | 2009-07-08 | 大连理工大学 | Production method for extrinsic F-P optical fiber sensor |
| CN202041222U (en) * | 2011-03-29 | 2011-11-16 | 哈尔滨工程大学 | In-wall waveguide long-period fiber grating sensor |
| CN102374874A (en) * | 2011-09-20 | 2012-03-14 | 重庆大学 | Quartz capillary tube embedded all-silica fiber Fabry-Perot interferometric sensor and manufacturing method thereof |
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