EP2826112A4 - Integrated optics reflectometer - Google Patents
Integrated optics reflectometerInfo
- Publication number
- EP2826112A4 EP2826112A4 EP13761364.2A EP13761364A EP2826112A4 EP 2826112 A4 EP2826112 A4 EP 2826112A4 EP 13761364 A EP13761364 A EP 13761364A EP 2826112 A4 EP2826112 A4 EP 2826112A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- integrated optics
- reflectometer
- optics reflectometer
- integrated
- optics
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
- H01S5/0687—Stabilising the frequency of the laser
-
- 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
- G01D5/35316—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 Bragg gratings
-
- 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
- G01D5/35338—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 other arrangements than interferometer arrangements
- G01D5/35354—Sensor working in reflection
-
- 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
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
- G01M11/3172—Reflectometers detecting the back-scattered light in the frequency-domain, e.g. OFDR, FMCW, heterodyne detection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Optical Integrated Circuits (AREA)
- Semiconductor Lasers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261610533P | 2012-03-14 | 2012-03-14 | |
PCT/US2013/031657 WO2013138653A1 (en) | 2012-03-14 | 2013-03-14 | Integrated optics reflectometer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2826112A1 EP2826112A1 (en) | 2015-01-21 |
EP2826112A4 true EP2826112A4 (en) | 2016-04-20 |
Family
ID=49161825
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13761364.2A Withdrawn EP2826112A4 (en) | 2012-03-14 | 2013-03-14 | Integrated optics reflectometer |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2826112A4 (en) |
JP (1) | JP6305975B2 (en) |
KR (1) | KR102079807B1 (en) |
HK (1) | HK1206874A1 (en) |
WO (1) | WO2013138653A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015199839A1 (en) | 2014-06-26 | 2015-12-30 | Baker Hughes Incorporated | Ofdr system for localized vibration detection |
CN107328429B (en) * | 2017-08-09 | 2023-05-09 | 武汉昊衡科技有限公司 | Device and method for improving proximity sensing stability in optical frequency domain reflection technology |
JP7506372B2 (en) | 2020-03-27 | 2024-06-26 | 株式会社デンソー | Laser Equipment |
GB202108396D0 (en) * | 2021-06-11 | 2021-07-28 | Optasense Holdings Ltd | Fibre optic sensing |
KR102565800B1 (en) * | 2022-03-08 | 2023-08-10 | 람다이노비전 주식회사 | Linear Laser Frequency Modulation Controller For FMCW LiDAR |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008013705A2 (en) * | 2006-07-26 | 2008-01-31 | Luna Innovations Incorporated | High resolution interferometric optical frequency domain reflectometry ( ofdr) beyond the laser coherence length |
US20090141756A1 (en) * | 2007-11-30 | 2009-06-04 | Hiremath Channamallesh G | Adaptive Thermal Feedback System for a Laser Diode |
EP2234224A2 (en) * | 2009-03-27 | 2010-09-29 | Furukawa Electric Co., Ltd. | Wavelength variable light source system |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4842358A (en) * | 1987-02-20 | 1989-06-27 | Litton Systems, Inc. | Apparatus and method for optical signal source stabilization |
JPH05198887A (en) * | 1992-01-23 | 1993-08-06 | Fujitsu Ltd | Measurement-control equipment of optical frequency deviation amount of laser |
JP3282135B2 (en) * | 1993-06-17 | 2002-05-13 | 日本電信電話株式会社 | Optical frequency domain reflectometer |
JP3210152B2 (en) * | 1993-09-17 | 2001-09-17 | キヤノン株式会社 | Driving method and driving device for semiconductor laser, and optical communication method and optical communication system using the same |
JP3262311B2 (en) * | 1996-02-09 | 2002-03-04 | 日本電信電話株式会社 | Frequency sweep error detection method and circuit, optical frequency sweep light source, and optical frequency domain reflection measurement circuit |
TW542908B (en) * | 2001-11-30 | 2003-07-21 | Univ Nat Chiao Tung | Signal processing method to improve spatial resolution in the temperature distribution measurement |
US7126693B2 (en) * | 2004-03-29 | 2006-10-24 | Carl Zeiss Meditec, Inc. | Simple high efficiency optical coherence domain reflectometer design |
JP2007271925A (en) * | 2006-03-31 | 2007-10-18 | Fujitsu Ltd | Optical integrated element |
US8149419B2 (en) * | 2007-02-28 | 2012-04-03 | Nippon Telegraph And Telephone Corporation | Optical reflectometry and optical reflectometer |
CN101729184B (en) * | 2008-10-31 | 2013-01-02 | 华为技术有限公司 | Method, device and system for adjusting wavelength |
US8428091B2 (en) * | 2009-12-21 | 2013-04-23 | Electronics And Telecommunications Research Institute | Tunable laser module |
JP2012038929A (en) * | 2010-08-06 | 2012-02-23 | Hitachi Ltd | Thermoelectric transducer, magnetic head using the same, and magnetic recording and reproducing device |
-
2013
- 2013-03-14 KR KR1020147028822A patent/KR102079807B1/en active IP Right Grant
- 2013-03-14 WO PCT/US2013/031657 patent/WO2013138653A1/en active Application Filing
- 2013-03-14 JP JP2015500633A patent/JP6305975B2/en not_active Expired - Fee Related
- 2013-03-14 EP EP13761364.2A patent/EP2826112A4/en not_active Withdrawn
-
2015
- 2015-06-15 HK HK15105623.7A patent/HK1206874A1/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008013705A2 (en) * | 2006-07-26 | 2008-01-31 | Luna Innovations Incorporated | High resolution interferometric optical frequency domain reflectometry ( ofdr) beyond the laser coherence length |
US20090141756A1 (en) * | 2007-11-30 | 2009-06-04 | Hiremath Channamallesh G | Adaptive Thermal Feedback System for a Laser Diode |
EP2234224A2 (en) * | 2009-03-27 | 2010-09-29 | Furukawa Electric Co., Ltd. | Wavelength variable light source system |
Non-Patent Citations (1)
Title |
---|
See also references of WO2013138653A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2826112A1 (en) | 2015-01-21 |
KR102079807B1 (en) | 2020-02-20 |
WO2013138653A1 (en) | 2013-09-19 |
JP6305975B2 (en) | 2018-04-04 |
HK1206874A1 (en) | 2016-01-15 |
JP2015514306A (en) | 2015-05-18 |
KR20150028956A (en) | 2015-03-17 |
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Legal Events
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DAX | Request for extension of the european patent (deleted) | ||
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H01S 3/086 20060101ALI20151130BHEP Ipc: G01J 9/00 20060101ALI20151130BHEP Ipc: H01S 3/10 20060101AFI20151130BHEP |
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