CN103115633B - 利用相位生成载波降低干涉路径散(反)射光干扰的方法 - Google Patents
利用相位生成载波降低干涉路径散(反)射光干扰的方法 Download PDFInfo
- Publication number
- CN103115633B CN103115633B CN201310034085.0A CN201310034085A CN103115633B CN 103115633 B CN103115633 B CN 103115633B CN 201310034085 A CN201310034085 A CN 201310034085A CN 103115633 B CN103115633 B CN 103115633B
- Authority
- CN
- China
- Prior art keywords
- signal
- phase
- interference
- frequency
- modulator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000013307 optical fiber Substances 0.000 claims abstract description 40
- 230000003287 optical effect Effects 0.000 claims abstract description 25
- 238000001914 filtration Methods 0.000 claims description 18
- 230000006698 induction Effects 0.000 claims description 13
- 238000006757 chemical reactions by type Methods 0.000 claims description 7
- 230000009897 systematic effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 230000002452 interceptive effect Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 11
- 239000000835 fiber Substances 0.000 abstract description 8
- 230000008878 coupling Effects 0.000 description 23
- 238000010168 coupling process Methods 0.000 description 23
- 238000005859 coupling reaction Methods 0.000 description 23
- 230000007246 mechanism Effects 0.000 description 23
- 238000005516 engineering process Methods 0.000 description 9
- 238000001228 spectrum Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 1
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000000637 aluminium metallisation Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02055—Reduction or prevention of errors; Testing; Calibration
- G01B9/02056—Passive reduction of errors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02055—Reduction or prevention of errors; Testing; Calibration
- G01B9/02056—Passive reduction of errors
- G01B9/02059—Reducing effect of parasitic reflections, e.g. cyclic errors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/011—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour in optical waveguides, not otherwise provided for in this subclass
- G02F1/0115—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour in optical waveguides, not otherwise provided for in this subclass in optical fibres
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Optical Transform (AREA)
Abstract
Description
Claims (2)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310034085.0A CN103115633B (zh) | 2013-01-29 | 2013-01-29 | 利用相位生成载波降低干涉路径散(反)射光干扰的方法 |
US14/764,489 US9658052B2 (en) | 2013-01-29 | 2014-01-27 | Method for reducing interference from scattered light/reflected light of interference path by generating carrier through phase |
PCT/CN2014/071571 WO2014117715A1 (zh) | 2013-01-29 | 2014-01-27 | 利用相位生成载波降低干涉路径散(反)射光干扰的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310034085.0A CN103115633B (zh) | 2013-01-29 | 2013-01-29 | 利用相位生成载波降低干涉路径散(反)射光干扰的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103115633A CN103115633A (zh) | 2013-05-22 |
CN103115633B true CN103115633B (zh) | 2016-02-24 |
Family
ID=48414054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310034085.0A Active CN103115633B (zh) | 2013-01-29 | 2013-01-29 | 利用相位生成载波降低干涉路径散(反)射光干扰的方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9658052B2 (zh) |
CN (1) | CN103115633B (zh) |
WO (1) | WO2014117715A1 (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103115633B (zh) * | 2013-01-29 | 2016-02-24 | 复旦大学 | 利用相位生成载波降低干涉路径散(反)射光干扰的方法 |
CN103487067B (zh) * | 2013-10-12 | 2016-05-11 | 复旦大学 | 利用波分复用技术消减干涉路径散射、反射光干扰的方法与*** |
CN105953725B (zh) * | 2016-05-06 | 2018-05-18 | 哈尔滨工程大学 | 一种相位载波式激光干涉信号闭环解调方法 |
CN106247930B (zh) * | 2016-09-13 | 2018-12-07 | 哈尔滨工程大学 | 相位载波式激光干涉仪闭环解调算法的残差补偿方法 |
US10133014B2 (en) * | 2017-04-07 | 2018-11-20 | Elenion Technologies, Llc | Controlling back scattering in optical waveguide systems |
RU2683378C1 (ru) * | 2017-10-23 | 2019-03-28 | Федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский политехнический университет Петра Великого" | Способ цифровой демодуляции сигналов фазового волоконно-оптического датчика |
RU2696324C1 (ru) * | 2018-12-15 | 2019-08-01 | федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский политехнический университет Петра Великого" (ФГАОУ ВО "СПбПУ") | Способ демодуляции сигнала фазового оптического датчика |
CN110455324B (zh) * | 2019-08-20 | 2021-07-16 | 电子科技大学 | 一种基于cp-φotdr的高重复率准分布式传感***及其实现方法 |
CN111397645B (zh) * | 2020-04-06 | 2020-12-18 | 华中科技大学 | 一种相位差分解调方法及*** |
CN111947696B (zh) * | 2020-08-14 | 2021-11-23 | 重庆大学 | 矢量光学啁啾链布里渊时域分析*** |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102003971A (zh) * | 2010-10-15 | 2011-04-06 | 复旦大学 | 一种消除光纤传感器中背向散射光影响的方法 |
CN102033226A (zh) * | 2010-12-06 | 2011-04-27 | 复旦大学 | 提高单芯反馈式光纤传感技术监测距离的方法及光纤干涉结构 |
CN102214382A (zh) * | 2010-04-09 | 2011-10-12 | 合肥正阳光电科技有限责任公司 | 光纤传感预警和定位*** |
CN102354075A (zh) * | 2011-06-20 | 2012-02-15 | 深圳职业技术学院 | 干涉型光纤传感器pgc数字解调方法及其装置 |
CN102359797A (zh) * | 2011-07-08 | 2012-02-22 | 清华大学 | 用于光纤水听器中pgc***降噪的***及方法 |
CN102434783A (zh) * | 2011-10-09 | 2012-05-02 | 中国计量学院 | 基于相位生成载波解调的光纤水下长输管道泄漏检测装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5837995A (en) * | 1996-11-25 | 1998-11-17 | Alan Y. Chow | Wavelength-controllable voltage-phase photodiode optoelectronic switch ("opsistor") |
US5949546A (en) * | 1997-05-14 | 1999-09-07 | Ahead Optoelectronics, Inc. | Interference apparatus for measuring absolute and differential motions of same or different testing surface |
US5917597A (en) * | 1998-02-04 | 1999-06-29 | Litton Systems, Inc. | Noise suppression apparatus and method for time division multiplexed fiber optic sensor arrays |
US6600586B1 (en) * | 1999-05-10 | 2003-07-29 | Northrop Grumman Corporation | Normalization method for acquiring interferometer phase shift from frequency division multiplexed fiber optic sensor arrays |
US8036732B2 (en) * | 2006-10-18 | 2011-10-11 | Board Of Regents, The University Of Texas System | Hemoglobin contrast in magneto-motive optical doppler tomography, optical coherence tomography, and ultrasound imaging methods and apparatus |
CN101403473B (zh) * | 2006-06-30 | 2012-02-29 | 中国石油天然气集团公司 | 一种光纤安全预警相位控制*** |
JP4930068B2 (ja) * | 2007-01-19 | 2012-05-09 | 沖電気工業株式会社 | 干渉型光ファイバセンサシステムおよびセンシング方法 |
CN101216976A (zh) * | 2008-01-10 | 2008-07-09 | 复旦大学 | 基于相位载波复用的光纤周界安防***及其实现方法 |
CN103115633B (zh) * | 2013-01-29 | 2016-02-24 | 复旦大学 | 利用相位生成载波降低干涉路径散(反)射光干扰的方法 |
-
2013
- 2013-01-29 CN CN201310034085.0A patent/CN103115633B/zh active Active
-
2014
- 2014-01-27 US US14/764,489 patent/US9658052B2/en active Active
- 2014-01-27 WO PCT/CN2014/071571 patent/WO2014117715A1/zh active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102214382A (zh) * | 2010-04-09 | 2011-10-12 | 合肥正阳光电科技有限责任公司 | 光纤传感预警和定位*** |
CN102003971A (zh) * | 2010-10-15 | 2011-04-06 | 复旦大学 | 一种消除光纤传感器中背向散射光影响的方法 |
CN102033226A (zh) * | 2010-12-06 | 2011-04-27 | 复旦大学 | 提高单芯反馈式光纤传感技术监测距离的方法及光纤干涉结构 |
CN102354075A (zh) * | 2011-06-20 | 2012-02-15 | 深圳职业技术学院 | 干涉型光纤传感器pgc数字解调方法及其装置 |
CN102359797A (zh) * | 2011-07-08 | 2012-02-22 | 清华大学 | 用于光纤水听器中pgc***降噪的***及方法 |
CN102434783A (zh) * | 2011-10-09 | 2012-05-02 | 中国计量学院 | 基于相位生成载波解调的光纤水下长输管道泄漏检测装置 |
Non-Patent Citations (2)
Title |
---|
基于光纤干涉定位***的信号解调技术;吴红艳 等;《传感器与微***》;20070531;第26卷(第5期);第46页右栏第2段至倒数第2段 * |
基于同步载波提取的光纤传感器相位生成载波解调方法;张毅 等;《光子学报》;20111031;第40卷(第10期);全文 * |
Also Published As
Publication number | Publication date |
---|---|
WO2014117715A1 (zh) | 2014-08-07 |
US20150377603A1 (en) | 2015-12-31 |
CN103115633A (zh) | 2013-05-22 |
US9658052B2 (en) | 2017-05-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103115633B (zh) | 利用相位生成载波降低干涉路径散(反)射光干扰的方法 | |
CN101242224B (zh) | 一种光纤管线监控*** | |
CN102168808B (zh) | 分布式光纤振动传感器 | |
CN102538846B (zh) | 一种传感光纤位置计算方法 | |
CN105043586B (zh) | 一种基于少模光纤的拉曼分布式测温***和测温方法 | |
CN203561437U (zh) | 随机位置点光纤分布式声波传感装置 | |
CN102064884B (zh) | 基于波分复用的长距离分布式光纤定位干涉*** | |
CN102506913B (zh) | 干涉型光纤分布式扰动传感器及其扰动定位方法 | |
CN103575379B (zh) | 随机位置点光纤分布式声波传感器 | |
CN102003971B (zh) | 一种消除光纤传感器中背向散射光影响的方法 | |
CN104819770A (zh) | 基于外差检测和相位解调的相位光时域反射装置及方法 | |
CN102322880A (zh) | 偏振敏感的分布式光频域反射扰动传感装置和解调方法 | |
CN105371941B (zh) | 基于光环形器的分布式光纤振动传感检测方法 | |
CN103411660A (zh) | 光纤分布式声波监测*** | |
CN105784195A (zh) | 单端混沌布里渊光时域分析的分布式光纤传感装置及方法 | |
CN104279959A (zh) | 一种采用矢量网络分析仪精确测量光纤长度的新方法 | |
CN105157812A (zh) | 基于数字增强干涉的高灵敏度准分布式光纤光栅振动传感器 | |
CN102879081A (zh) | 一种分布式光纤振动***中的数据处理方法 | |
CN104296783A (zh) | 增强型相干光时域反射的传感检测方法及装置 | |
CN102564476A (zh) | 多点扰动定位方法 | |
CN102646308A (zh) | 基于单光纤和单光纤光栅光缆周界安防*** | |
CN102494799B (zh) | 一种双波长光延迟光纤温度传感器 | |
CN1888834B (zh) | 一种光纤光栅传感器波长测量*** | |
CN102496231B (zh) | 长距离干线安全光纤波分复用式预警*** | |
CN201963358U (zh) | 一种本质安全的分布式全光纤井下监测设备 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20130522 Assignee: Dongguan advanced optical fiber Application Technology Research Institute Co.,Ltd. Assignor: FUDAN University Contract record no.: X2021310000051 Denomination of invention: Method for reducing scattered (reflected) light interference of interference path by using phase generated carrier Granted publication date: 20160224 License type: Exclusive License Record date: 20211221 |