CN107796422B - 一种光纤位移传感器解调装置 - Google Patents
一种光纤位移传感器解调装置 Download PDFInfo
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- CN107796422B CN107796422B CN201711131191.5A CN201711131191A CN107796422B CN 107796422 B CN107796422 B CN 107796422B CN 201711131191 A CN201711131191 A CN 201711131191A CN 107796422 B CN107796422 B CN 107796422B
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- optical fiber
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 65
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 57
- 230000003287 optical effect Effects 0.000 claims abstract description 32
- 238000001228 spectrum Methods 0.000 claims abstract description 21
- 239000006185 dispersion Substances 0.000 claims abstract description 17
- 239000000523 sample Substances 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims abstract description 6
- 230000005693 optoelectronics Effects 0.000 claims description 21
- 239000000835 fiber Substances 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 6
- 230000005684 electric field Effects 0.000 claims description 4
- 230000003595 spectral effect Effects 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 2
- 238000005316 response function Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 230000003321 amplification Effects 0.000 abstract description 4
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 239000000919 ceramic Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000005374 Kerr effect Effects 0.000 description 2
- 230000005697 Pockels effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
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Images
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
- G01D5/35325—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 interferometer with two arms in reflection, e.g. Mickelson interferometer
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
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CN201711131191.5A CN107796422B (zh) | 2017-11-15 | 2017-11-15 | 一种光纤位移传感器解调装置 |
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CN201711131191.5A CN107796422B (zh) | 2017-11-15 | 2017-11-15 | 一种光纤位移传感器解调装置 |
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CN107796422A CN107796422A (zh) | 2018-03-13 |
CN107796422B true CN107796422B (zh) | 2020-10-02 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108955939B (zh) * | 2018-07-19 | 2020-09-25 | 南京航空航天大学 | 一种光纤光栅温度传感解调*** |
CN109459073A (zh) * | 2018-12-25 | 2019-03-12 | 电子科技大学 | 一种光纤传感器的解调***及解调方法 |
CN111854923B (zh) * | 2020-07-31 | 2022-05-24 | 重庆邮电大学 | 声波测量***、悬臂梁式光纤声波传感器解调***及方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102564564A (zh) * | 2012-03-09 | 2012-07-11 | 大连理工大学 | 一种基于非平衡迈克尔逊光纤干涉仪的非接触微振动测量*** |
JP2013174563A (ja) * | 2012-02-27 | 2013-09-05 | Oki Electric Ind Co Ltd | 光ファイバセンサシステム |
CN104377533A (zh) * | 2014-11-10 | 2015-02-25 | 中国电子科技集团公司第四十四研究所 | 基于相移光栅进行频率自稳定的光电振荡器 |
CN105043526A (zh) * | 2015-05-27 | 2015-11-11 | 浙江大学 | 一种基于光电振荡器的振动传感装置 |
CN106643522A (zh) * | 2016-12-28 | 2017-05-10 | 西南交通大学 | 基于光电振荡器的光纤低相干干涉位移解调设备及方法 |
CN107123919A (zh) * | 2017-06-26 | 2017-09-01 | 湖南工学院 | 光信号处理方法和基于相位调制‑直接解调的光电振荡器 |
CN107339944A (zh) * | 2017-07-04 | 2017-11-10 | 信丰县包钢新利稀土有限责任公司 | 一种稀土钕铁硼表面镀膜厚度在线测量***及测量方法 |
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2017
- 2017-11-15 CN CN201711131191.5A patent/CN107796422B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013174563A (ja) * | 2012-02-27 | 2013-09-05 | Oki Electric Ind Co Ltd | 光ファイバセンサシステム |
CN102564564A (zh) * | 2012-03-09 | 2012-07-11 | 大连理工大学 | 一种基于非平衡迈克尔逊光纤干涉仪的非接触微振动测量*** |
CN104377533A (zh) * | 2014-11-10 | 2015-02-25 | 中国电子科技集团公司第四十四研究所 | 基于相移光栅进行频率自稳定的光电振荡器 |
CN105043526A (zh) * | 2015-05-27 | 2015-11-11 | 浙江大学 | 一种基于光电振荡器的振动传感装置 |
CN106643522A (zh) * | 2016-12-28 | 2017-05-10 | 西南交通大学 | 基于光电振荡器的光纤低相干干涉位移解调设备及方法 |
CN107123919A (zh) * | 2017-06-26 | 2017-09-01 | 湖南工学院 | 光信号处理方法和基于相位调制‑直接解调的光电振荡器 |
CN107339944A (zh) * | 2017-07-04 | 2017-11-10 | 信丰县包钢新利稀土有限责任公司 | 一种稀土钕铁硼表面镀膜厚度在线测量***及测量方法 |
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