KR900008062B1 - 파장에 따라 스위치되는 수동 간섭계식 감지기 시스템 - Google Patents
파장에 따라 스위치되는 수동 간섭계식 감지기 시스템 Download PDFInfo
- Publication number
- KR900008062B1 KR900008062B1 KR1019860002557A KR860002557A KR900008062B1 KR 900008062 B1 KR900008062 B1 KR 900008062B1 KR 1019860002557 A KR1019860002557 A KR 1019860002557A KR 860002557 A KR860002557 A KR 860002557A KR 900008062 B1 KR900008062 B1 KR 900008062B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- optical
- frequency
- reference signal
- sensing
- 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.)
- Expired
Links
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
-
- 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
- G01D5/266—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 by interferometric means
-
- 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
- G01D5/35303—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 a reference fibre, e.g. interferometric devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Spectrometry And Color Measurement (AREA)
- Lasers (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Optical Transform (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Push-Button Switches (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US738620 | 1985-05-28 | ||
| US738,620 | 1985-05-28 | ||
| US06/738,620 US4789240A (en) | 1985-05-28 | 1985-05-28 | Wavelength switched passive interferometric sensor system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR860009297A KR860009297A (ko) | 1986-12-22 |
| KR900008062B1 true KR900008062B1 (ko) | 1990-10-31 |
Family
ID=24968768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019860002557A Expired KR900008062B1 (ko) | 1985-05-28 | 1986-04-04 | 파장에 따라 스위치되는 수동 간섭계식 감지기 시스템 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4789240A (enExample) |
| EP (1) | EP0203682B1 (enExample) |
| JP (1) | JPS61275607A (enExample) |
| KR (1) | KR900008062B1 (enExample) |
| AT (1) | ATE67590T1 (enExample) |
| AU (1) | AU5428986A (enExample) |
| CA (1) | CA1258383A (enExample) |
| DE (1) | DE3681499D1 (enExample) |
| IL (1) | IL78069A0 (enExample) |
| NO (1) | NO861167L (enExample) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0417162A4 (en) * | 1988-05-12 | 1992-12-16 | The Commonwealth Of Australia Defence | An interferometric fibre optic network |
| GB2219902B (en) * | 1988-06-14 | 1992-01-22 | Plessey Co Plc | Optical sensing systems |
| ATE106138T1 (de) * | 1988-08-12 | 1994-06-15 | Consiglio Nazionale Ricerche | Fiberoptischer schwingungsfühler. |
| US4940328A (en) * | 1988-11-04 | 1990-07-10 | Georgia Tech Research Corporation | Optical sensing apparatus and method |
| US4995697A (en) * | 1989-09-07 | 1991-02-26 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Fiber optic sensing system |
| US5218419A (en) * | 1990-03-19 | 1993-06-08 | Eli Lilly And Company | Fiberoptic interferometric sensor |
| US5059783A (en) * | 1990-06-04 | 1991-10-22 | Honeywell Inc. | Interferometric fiber optic proximity switch |
| US5341205A (en) * | 1991-01-15 | 1994-08-23 | The United States Of America As Represented By The Secretary Of The Navy | Method for characterization of optical waveguide devices using partial coherence interferometry |
| US6166815A (en) * | 1992-09-02 | 2000-12-26 | Raytheon Company | Constantly high sensitivity fiber optic interferometer sensor |
| US5479546A (en) * | 1994-05-16 | 1995-12-26 | Litton Systems, Inc. | Optimized non-linear effect tapered optical fiber interferometer/switch device |
| US5491335A (en) * | 1994-08-31 | 1996-02-13 | The United States Of America As Represented By The Secretary Of The Navy | Fiber optic transducer with fluid coupling means between optical fiber and transduction material |
| US5553184A (en) * | 1994-12-07 | 1996-09-03 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Process for the application of fiber optical bundles comprising optical fibers |
| AUPN329295A0 (en) * | 1995-05-31 | 1995-06-22 | University Of Sydney, The | Fibre optic transducer |
| US6020963A (en) * | 1996-06-04 | 2000-02-01 | Northeastern University | Optical quadrature Interferometer |
| US5883717A (en) * | 1996-06-04 | 1999-03-16 | Northeastern University | Optical quadrature interferometry utilizing polarization to obtain in-phase and quadrature information |
| US6008900A (en) * | 1998-02-10 | 1999-12-28 | Litton Systems, Inc. | Method and apparatus for calibration of a multi-channel fiber optic interferometric sensor system in a signal processing system |
| US6556509B1 (en) * | 1999-11-08 | 2003-04-29 | Optiphase, Inc. | Demodulator and method for interferometric outputs of increased accuracy |
| JP3903105B2 (ja) * | 2000-05-23 | 2007-04-11 | 富士フイルム株式会社 | 動的変化検出方法、動的変化検出装置及び超音波診断装置 |
| US6384518B1 (en) * | 2000-09-18 | 2002-05-07 | Jean A. Van Poppel | Piezoelectric coupler for variably coupling two bodies and joint incorporating the coupler |
| US6778720B1 (en) | 2002-04-02 | 2004-08-17 | Optiphase, Inc. | Dual slope fiber optic array interrogator |
| JP5571549B2 (ja) * | 2007-05-14 | 2014-08-13 | オーシャン フロア ジオフィジックス インコーポレイテッド | 地球物理学的方法及び地球物理学的システム |
| US7715015B2 (en) * | 2007-10-25 | 2010-05-11 | Optoplan As | Adaptive mixing for high slew rates |
| NL1037113C2 (nl) * | 2009-07-09 | 2011-01-12 | Petrus Cornelis Jozef Emmen | Inrichting en werkwijze voor centrale verwarming en het leveren van warm tapwater. |
| CN102401670A (zh) * | 2011-04-06 | 2012-04-04 | 杭州安远科技有限公司 | 一种降低光纤双折射影响的光纤干涉测量系统 |
| US9127531B2 (en) * | 2011-09-07 | 2015-09-08 | Halliburton Energy Services, Inc. | Optical casing collar locator systems and methods |
| CN102620757A (zh) * | 2012-03-27 | 2012-08-01 | 中国科学院半导体研究所 | 一种对光纤干涉型传感信号进行解调的系统及方法 |
| US10809413B2 (en) * | 2014-08-29 | 2020-10-20 | Schlumberger Technology Corporation | Fiber optic magneto-responsive sensor assembly |
| US10712180B2 (en) * | 2016-08-11 | 2020-07-14 | The Charles Stark Draper Laboratory, Inc. | Segmented poled optical fiber for fiber optic sensor and phased array |
| CN107402029B (zh) * | 2017-08-08 | 2019-08-20 | 电子科技大学 | 利用正交信号提高分布式光纤传感测量速度的方法及系统 |
| CN109945903B (zh) * | 2019-04-30 | 2021-06-08 | 安徽大学 | 全光纤结构可调腔增益激光自混合振动、位移、速度传感方法和系统 |
| CN110375779B (zh) * | 2019-07-29 | 2021-06-04 | 武汉昊衡科技有限公司 | 提高ofdr频域采样率的装置和方法 |
| US11868025B2 (en) | 2020-10-21 | 2024-01-09 | Lawrence Livermore National Security, Llc | Temporal resolution and fidelity enhancement of arbitrary waveforms |
| CN112816096B (zh) * | 2021-03-08 | 2024-06-07 | 杭州电子科技大学 | 基于游标效应的级联干涉仪光纤温度传感器 |
| CN113218518B (zh) * | 2021-05-07 | 2024-09-20 | 姚晓天 | 基于集成光路的正弦-余弦光频率检测装置及其应用 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3990036A (en) * | 1974-02-28 | 1976-11-02 | Western Geophysical Co. | Multiplexing method and apparatus for telemetry of seismic data |
| JPS5621004A (en) * | 1979-07-30 | 1981-02-27 | Toshiba Corp | Optical sensing system |
| US4443700A (en) * | 1980-02-01 | 1984-04-17 | Pedro B. Macedo | Optical sensing apparatus and method |
| US4360272A (en) * | 1980-03-20 | 1982-11-23 | Optelecom, Inc. | Fiber optic energy sensor and optical demodulation system and methods of making same |
| GB2096762A (en) * | 1981-04-09 | 1982-10-20 | Univ London | Optical fibre sensor device |
| US4505587A (en) * | 1981-08-14 | 1985-03-19 | Massachusetts Institute Of Technology | Picosecond optical sampling |
| US4588296A (en) * | 1981-10-07 | 1986-05-13 | Mcdonnell Douglas Corporation | Compact optical gyro |
| US4418981A (en) * | 1982-01-19 | 1983-12-06 | Gould Inc. | Quadrature fiber-optic interferometer matrix |
| US4514054A (en) * | 1982-01-19 | 1985-04-30 | Gould Inc. | Quadrature fiber-optic interferometer matrix |
| CA1229674A (en) * | 1982-04-14 | 1987-11-24 | John E. Bowers | Fiber optic sensor for detecting very small displacements of a surface |
| US4552457A (en) * | 1983-02-01 | 1985-11-12 | Giallorenzi Thomas G | Fiber optic interferometer using two wavelengths or variable wavelength |
| US4606020A (en) * | 1984-02-03 | 1986-08-12 | The United States Of America As Represented By The Secretary Of The Army | Efficient design technique for wavelength division multiplexing |
| US4632551A (en) * | 1984-06-11 | 1986-12-30 | Litton Systems, Inc. | Passive sampling interferometric sensor arrays |
| US4681395A (en) * | 1985-02-22 | 1987-07-21 | Eldec Corporation | Time-domain intensity normalization for fiber optic sensing |
-
1985
- 1985-05-28 US US06/738,620 patent/US4789240A/en not_active Expired - Fee Related
-
1986
- 1986-03-05 AU AU54289/86A patent/AU5428986A/en not_active Abandoned
- 1986-03-05 CA CA000503342A patent/CA1258383A/en not_active Expired
- 1986-03-06 IL IL78069A patent/IL78069A0/xx unknown
- 1986-03-19 EP EP86302046A patent/EP0203682B1/en not_active Expired - Lifetime
- 1986-03-19 DE DE8686302046T patent/DE3681499D1/de not_active Expired - Fee Related
- 1986-03-19 AT AT86302046T patent/ATE67590T1/de not_active IP Right Cessation
- 1986-03-24 NO NO861167A patent/NO861167L/no unknown
- 1986-04-04 KR KR1019860002557A patent/KR900008062B1/ko not_active Expired
- 1986-04-10 JP JP61083985A patent/JPS61275607A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| KR860009297A (ko) | 1986-12-22 |
| IL78069A0 (en) | 1986-07-31 |
| EP0203682A3 (en) | 1989-06-07 |
| DE3681499D1 (de) | 1991-10-24 |
| NO861167L (no) | 1986-12-01 |
| EP0203682A2 (en) | 1986-12-03 |
| EP0203682B1 (en) | 1991-09-18 |
| CA1258383A (en) | 1989-08-15 |
| JPH0416721B2 (enExample) | 1992-03-25 |
| ATE67590T1 (de) | 1991-10-15 |
| AU5428986A (en) | 1986-12-04 |
| JPS61275607A (ja) | 1986-12-05 |
| US4789240A (en) | 1988-12-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| A201 | Request for examination | ||
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
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| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
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| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
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| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
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| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
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| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
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| G160 | Decision to publish patent application | ||
| PG1605 | Publication of application before grant of patent |
St.27 status event code: A-2-2-Q10-Q13-nap-PG1605 |
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| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-PE0701 |
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| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
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| PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-PR1002 Fee payment year number: 1 |
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| LAPS | Lapse due to unpaid annual fee | ||
| PC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-PC1903 Not in force date: 19931101 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
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| P22-X000 | Classification modified |
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