JP2008151574A - 物理量測定システム - Google Patents
物理量測定システム Download PDFInfo
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- JP2008151574A JP2008151574A JP2006338378A JP2006338378A JP2008151574A JP 2008151574 A JP2008151574 A JP 2008151574A JP 2006338378 A JP2006338378 A JP 2006338378A JP 2006338378 A JP2006338378 A JP 2006338378A JP 2008151574 A JP2008151574 A JP 2008151574A
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- 238000005259 measurement Methods 0.000 title claims abstract description 34
- 238000000926 separation method Methods 0.000 claims abstract description 34
- 239000013307 optical fiber Substances 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 description 7
- 102100024513 F-box only protein 6 Human genes 0.000 description 4
- 101001052796 Homo sapiens F-box only protein 6 Proteins 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 101100171060 Caenorhabditis elegans div-1 gene Proteins 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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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
- G01D5/35303—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
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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
- G01D5/35309—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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Spectrometry And Color Measurement (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
【解決手段】複数のFBG2が長手方向に形成された光ファイバ3と、光ファイバ3に広帯域の光を入射させる光源4と、光ファイバ3から出射されるFBG2の反射光を複数の分離波長域に分離してそれぞれ出力チャンネルに出力するAWG5と、出力チャンネルごとの出力光を受光する複数の受光素子6と、各受光素子6の出力変化により各FBG2の反射中心波長変化を検出して光ファイバ3に与えられている物理量とその位置を演算する演算部7とを備えた。
【選択図】図1
Description
2 ブラッグ回折格子(FBG)
3 光ファイバ
4 光源
5 アレイ導波路回折格子(AWG)
6 受光素子
7 演算部
Claims (4)
- 反射波長変化帯域が異なる複数のブラッグ回折格子が長手方向の既知の位置に形成された光ファイバと、該光ファイバに全ブラッグ回折格子の反射波長変化帯域を包含する広帯域の光を入射させる光源と、上記光ファイバから出射される上記ブラッグ回折格子の反射光を一定波長間隔の複数の分離波長帯域に分離してそれぞれ出力チャンネルに出力するアレイ導波路回折格子と、上記出力チャンネルごとの出力光を受光する複数の受光素子と、各受光素子の出力変化により各ブラッグ回折格子の反射中心波長変化を検出して上記光ファイバに与えられている歪や温度等の物理量とその位置を演算する演算部とを備えたことを特徴とする物理量測定システム。
- 上記演算部のダイナミックレンジと上記ブラッグ回折格子の波長対反射損失特性と上記アレイ導波路回折格子の波長対透過損失特性は、上記ブラッグ回折格子の波長対反射損失特性と上記アレイ導波路回折格子の波長対透過損失特性との重ね合わせによる波長対出力光量特性の隣接する出力チャンネル間差が上記ブラッグ回折格子の反射波長変化帯域内で上記演算部のダイナミックレンジ内におさまる特性に設定されていることを特徴とする請求項1記載の物理量測定システム。
- 上記演算部のダイナミックレンジが40dBであり、上記ブラッグ回折格子の波長対反射損失特性における半値幅が上記アレイ導波路回折格子の波長対透過損失特性における分離波長帯域幅の225/1000以上であることを特徴とする請求項1又は2記載の物理量測定システム。
- 1つのブラッグ回折格子の反射波長変化帯域が上記アレイ導波路回折格子の少なくとも4出力チャンネル分の分離波長帯域にまたがることを特徴とする請求項1〜3いずれか記載の物理量測定システム。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006338378A JP4930034B2 (ja) | 2006-12-15 | 2006-12-15 | 物理量測定システム |
| US11/987,625 US7589312B2 (en) | 2006-12-15 | 2007-12-03 | Physical quantity measuring system with fiber Bragg grating sensor and arrayed waveguide grating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006338378A JP4930034B2 (ja) | 2006-12-15 | 2006-12-15 | 物理量測定システム |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008151574A true JP2008151574A (ja) | 2008-07-03 |
| JP2008151574A5 JP2008151574A5 (ja) | 2009-08-06 |
| JP4930034B2 JP4930034B2 (ja) | 2012-05-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006338378A Expired - Fee Related JP4930034B2 (ja) | 2006-12-15 | 2006-12-15 | 物理量測定システム |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7589312B2 (ja) |
| JP (1) | JP4930034B2 (ja) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010164528A (ja) * | 2009-01-19 | 2010-07-29 | Sumitomo Electric Ind Ltd | 光導波路の検査方法、及び、光コネクタ |
| JP2011054131A (ja) * | 2009-09-04 | 2011-03-17 | Osaka Gas Co Ltd | 温度検知機構及びガス検知装置及び火災検知装置 |
| JP2012073257A (ja) * | 2010-09-29 | 2012-04-12 | General Electric Co <Ge> | 電気機械部品監視システム及び方法 |
| WO2012140959A1 (ja) * | 2011-04-15 | 2012-10-18 | 株式会社豊田自動織機 | 温度測定システム及び温度測定方法 |
| JP2014225584A (ja) * | 2013-05-16 | 2014-12-04 | 株式会社フジクラ | ファイバレーザ装置 |
| EP2833102A2 (en) | 2013-08-02 | 2015-02-04 | Anritsu Corporation | Physical quantity measuring system and physical quantity measuring method |
| CN114295322A (zh) * | 2021-12-09 | 2022-04-08 | 武汉锐科光纤激光技术股份有限公司 | 光栅的测试系统、方法、装置、存储介质和电子装置 |
| CN120008460A (zh) * | 2025-03-12 | 2025-05-16 | 中国科学院长春光学精密机械与物理研究所 | 基于阵列波导光栅分光的光纤耦合动态干涉仪 |
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| US8638444B2 (en) * | 2011-01-11 | 2014-01-28 | Baker Hughes Incorporated | Sensor array configuration for swept-wavelength interferometric-based sensing systems |
| PL394318A1 (pl) * | 2011-03-23 | 2012-09-24 | Telekomunikacja Polska Spólka Akcyjna | Uklad do równoczesnego monitorowania wielu wielkosci fizykochemicznych w kilku miejscach srodowiska naturalnego |
| US9239249B2 (en) | 2011-09-30 | 2016-01-19 | Vestas Wind Systems A/S | Optical fiber grating sensor system and method comprising plural optical gratings having partially overlapping operating ranges |
| US9209494B2 (en) | 2012-09-28 | 2015-12-08 | Palo Alto Research Center Incorporated | Monitoring/managing electrochemical energy device using detected intercalation stage changes |
| US9203122B2 (en) | 2012-09-28 | 2015-12-01 | Palo Alto Research Center Incorporated | Monitoring and management for energy storage devices |
| CN103271724B (zh) * | 2013-04-22 | 2015-02-11 | 天津工业大学 | 一种用于智能服装中的阵列波导光栅解调系统温度补偿方法 |
| US9553465B2 (en) | 2014-04-21 | 2017-01-24 | Palo Alto Research Center Incorporated | Battery management based on internal optical sensing |
| US9677916B2 (en) | 2014-07-15 | 2017-06-13 | Palo Alto Research Center Incorporated | Energy system monitoring |
| US10403922B2 (en) | 2014-07-23 | 2019-09-03 | Palo Alto Research Center Incorporated | Battery with embedded fiber optic cable |
| US10446886B2 (en) | 2014-07-23 | 2019-10-15 | Palo Alto Research Center Incorporated | Embedded fiber optic cables for battery management |
| US10317256B2 (en) | 2017-04-14 | 2019-06-11 | Palo Alto Research Center Incorporated | Monitoring transportation systems |
| CN108195485A (zh) * | 2017-12-29 | 2018-06-22 | 北京信息科技大学 | 基于lpfg与mz级联测量温度与应变的双参数传感器及其制备方法 |
| CN117760472A (zh) * | 2023-11-23 | 2024-03-26 | 广州市南沙区北科光子感知技术研究院 | 一种基于阵列波导光栅的变温解调系统及方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000180270A (ja) * | 1998-12-11 | 2000-06-30 | Fuji Electric Co Ltd | 物理量測定システム |
| JP2001201407A (ja) * | 2000-01-19 | 2001-07-27 | Fuji Electric Co Ltd | 波長測定装置 |
| JP2003270041A (ja) * | 2002-03-18 | 2003-09-25 | Hitachi Cable Ltd | 高速波長検出装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20030108283A1 (en) * | 1999-03-05 | 2003-06-12 | Toshihiko Ota | Optical demultiplexer module |
| JP3588435B2 (ja) * | 2000-02-28 | 2004-11-10 | 富士通株式会社 | 光増幅装置、複合光増幅装置および光通信システム |
| JP4274007B2 (ja) * | 2004-03-15 | 2009-06-03 | 日立電線株式会社 | 波長分析装置 |
| CA2518173A1 (en) * | 2004-09-02 | 2006-03-02 | National Research Council Of Canada | Simultaneous interrogation of multi wavelength-modulated fiber optical sensors by modulating an arrayed waveguide grating based demultiplexer |
| US20070280605A1 (en) * | 2006-05-31 | 2007-12-06 | Mendoza Edgar A | Fiber bragg grating sensor interrogator and manufacture thereof |
-
2006
- 2006-12-15 JP JP2006338378A patent/JP4930034B2/ja not_active Expired - Fee Related
-
2007
- 2007-12-03 US US11/987,625 patent/US7589312B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000180270A (ja) * | 1998-12-11 | 2000-06-30 | Fuji Electric Co Ltd | 物理量測定システム |
| JP3760649B2 (ja) * | 1998-12-11 | 2006-03-29 | 富士電機システムズ株式会社 | 物理量測定システム |
| JP2001201407A (ja) * | 2000-01-19 | 2001-07-27 | Fuji Electric Co Ltd | 波長測定装置 |
| JP2003270041A (ja) * | 2002-03-18 | 2003-09-25 | Hitachi Cable Ltd | 高速波長検出装置 |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010164528A (ja) * | 2009-01-19 | 2010-07-29 | Sumitomo Electric Ind Ltd | 光導波路の検査方法、及び、光コネクタ |
| JP2011054131A (ja) * | 2009-09-04 | 2011-03-17 | Osaka Gas Co Ltd | 温度検知機構及びガス検知装置及び火災検知装置 |
| JP2012073257A (ja) * | 2010-09-29 | 2012-04-12 | General Electric Co <Ge> | 電気機械部品監視システム及び方法 |
| WO2012140959A1 (ja) * | 2011-04-15 | 2012-10-18 | 株式会社豊田自動織機 | 温度測定システム及び温度測定方法 |
| JP2012225687A (ja) * | 2011-04-15 | 2012-11-15 | Toyota Industries Corp | 温度測定システム及び温度測定方法 |
| JP2014225584A (ja) * | 2013-05-16 | 2014-12-04 | 株式会社フジクラ | ファイバレーザ装置 |
| EP2833102A2 (en) | 2013-08-02 | 2015-02-04 | Anritsu Corporation | Physical quantity measuring system and physical quantity measuring method |
| CN114295322A (zh) * | 2021-12-09 | 2022-04-08 | 武汉锐科光纤激光技术股份有限公司 | 光栅的测试系统、方法、装置、存储介质和电子装置 |
| CN114295322B (zh) * | 2021-12-09 | 2024-01-26 | 武汉锐科光纤激光技术股份有限公司 | 光栅的测试系统、方法、装置、存储介质和电子装置 |
| CN120008460A (zh) * | 2025-03-12 | 2025-05-16 | 中国科学院长春光学精密机械与物理研究所 | 基于阵列波导光栅分光的光纤耦合动态干涉仪 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4930034B2 (ja) | 2012-05-09 |
| US20080142693A1 (en) | 2008-06-19 |
| US7589312B2 (en) | 2009-09-15 |
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