WO2020074834A3 - Interféromètre de sagnac à fibre optique compact - Google Patents

Interféromètre de sagnac à fibre optique compact Download PDF

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Publication number
WO2020074834A3
WO2020074834A3 PCT/FR2019/052408 FR2019052408W WO2020074834A3 WO 2020074834 A3 WO2020074834 A3 WO 2020074834A3 FR 2019052408 W FR2019052408 W FR 2019052408W WO 2020074834 A3 WO2020074834 A3 WO 2020074834A3
Authority
WO
WIPO (PCT)
Prior art keywords
optical
optical waveguide
substrate
waveguide
sagnac interferometer
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.)
Ceased
Application number
PCT/FR2019/052408
Other languages
English (en)
Other versions
WO2020074834A2 (fr
Inventor
Cédric MOLUCON
Jérôme HAUDEN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
iXBlue SAS
Original Assignee
iXBlue SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by iXBlue SAS filed Critical iXBlue SAS
Priority to US17/284,316 priority Critical patent/US11549812B2/en
Priority to EP19816823.9A priority patent/EP3864374A2/fr
Priority to JP2021518497A priority patent/JP7479359B2/ja
Priority to CN201980081495.6A priority patent/CN113167583B/zh
Publication of WO2020074834A2 publication Critical patent/WO2020074834A2/fr
Publication of WO2020074834A3 publication Critical patent/WO2020074834A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/58—Turn-sensitive devices without moving masses
    • G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
    • G01C19/72—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers
    • G01C19/721—Details, e.g. optical or electronical details

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gyroscopes (AREA)
  • Optical Integrated Circuits (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

Abstract

L'invention concerne un interféromètre de Sagnac à fibre optique en boucle ou en ligne. Selon l'invention, l'interféromètre comporte un circuit optique intégré hybride (200) comprenant au moins un premier substrat (1) électro-optique et un deuxième substrat (2) transparent ayant une interface (20) commune, le premier substrat (1) comprenant un premier guide d'onde optique (11), un deuxième guide d'onde optique (12), le premier guide d'onde optique (11) et le deuxième guide d'onde optique (12) étant reliés à au moins une extrémité (61) de la bobine de fibre optique (6), un guide d'onde optique d'entrée-sortie (10) relié à une source lumineuse (4) et à un système de détection (5), le deuxième substrat (2) comprenant au moins un guide d'onde optique (21) en forme de U et le circuit optique intégré hybride (200) comprenant une jonction Y (26) à guide d'onde planaire ayant une branche commune (160) et deux branches secondaires(161, 62).
PCT/FR2019/052408 2018-10-11 2019-10-10 Interféromètre de sagnac à fibre optique compact Ceased WO2020074834A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US17/284,316 US11549812B2 (en) 2018-10-11 2019-10-10 Compact optical-fibre Sagnac interferometer
EP19816823.9A EP3864374A2 (fr) 2018-10-11 2019-10-10 Interféromètre de sagnac à fibre optique compact
JP2021518497A JP7479359B2 (ja) 2018-10-11 2019-10-10 コンパクトな光ファイバサニャック干渉計
CN201980081495.6A CN113167583B (zh) 2018-10-11 2019-10-10 紧凑型光纤萨格纳克干涉仪

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1859447A FR3087255B1 (fr) 2018-10-11 2018-10-11 Interferometre de sagnac a fibre optique compact
FR1859447 2018-10-11

Publications (2)

Publication Number Publication Date
WO2020074834A2 WO2020074834A2 (fr) 2020-04-16
WO2020074834A3 true WO2020074834A3 (fr) 2020-06-04

Family

ID=65685566

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2019/052408 Ceased WO2020074834A2 (fr) 2018-10-11 2019-10-10 Interféromètre de sagnac à fibre optique compact

Country Status (6)

Country Link
US (1) US11549812B2 (fr)
EP (1) EP3864374A2 (fr)
JP (1) JP7479359B2 (fr)
CN (1) CN113167583B (fr)
FR (1) FR3087255B1 (fr)
WO (1) WO2020074834A2 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11294120B2 (en) 2020-05-07 2022-04-05 Honeywell International Inc. Integrated environmentally insensitive modulator for interferometric gyroscopes
CN114993284B (zh) * 2022-08-04 2022-11-01 西安中科华芯测控有限公司 一种多轴一体化光纤陀螺仪用混合集成光学器件
CN115638782B (zh) * 2022-11-03 2024-04-09 哈尔滨工业大学 一种基于圆偏振光传输抑制光纤环热致误差的干涉式光纤陀螺
CN115903127B (zh) * 2022-11-18 2026-03-24 中国电子科技集团公司第五十五研究所 一种AlGaAs二阶非线性与线性光波导集成单片及其制作方法
CN115727832A (zh) * 2022-11-24 2023-03-03 江苏铌奥光电科技有限公司 一种基于铌酸锂薄膜技术的三轴光纤陀螺集成器件
CN115900679B (zh) * 2023-03-08 2023-05-12 中国船舶集团有限公司第七〇七研究所 一种提升集成光学陀螺信噪比的方法
CN116448243B (zh) * 2023-06-19 2023-09-22 中国工程物理研究院激光聚变研究中心 一种基于交叉偏振波的三维光场自参考测量装置及方法
CN116772902B (zh) * 2023-07-26 2026-02-27 武汉长盈通光电技术股份有限公司 光纤环绕制用压力可控式导纤压脚杆装置
CN120212997B (zh) * 2025-05-28 2025-08-05 中南大学 一种封装集成的光纤陀螺仪结构及其制造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6163632A (en) * 1997-09-23 2000-12-19 Bookham Technology Plc Integrated optical circuit
US20080024786A1 (en) * 2006-07-31 2008-01-31 Honeywell International, Inc. Fiber optic gyroscope having a silicon-based optical chip

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5321503A (en) * 1990-06-04 1994-06-14 The United States Of America As Represented By The Secretary Of The Navy Closed loop, depolarized interferometric fiber optic (IFOG) gyroscope with self adjusting serrodyne phase nulling
CA2052074A1 (fr) * 1990-10-29 1992-04-30 Victor Vali Capteur de gyroscope a optique integree
JP2849733B2 (ja) * 1993-09-29 1999-01-27 日本航空電子工業株式会社 光ファイバジャイロ
US20080291459A1 (en) * 2007-05-22 2008-11-27 Litton Systems, Inc. Fiber optic gyroscope with integrated light source
JP2012098472A (ja) * 2010-11-01 2012-05-24 Nippon Telegr & Teleph Corp <Ntt> 光変調器
CN102419175B (zh) * 2011-12-15 2014-01-01 东南大学 基于柔性表面等离子体激元波导的光学陀螺
FR3003095B1 (fr) * 2013-03-11 2015-04-10 Ixblue Dispositif de mesure interferometrique a fibre optique comportant un resonateur en anneau, gyrometre et centrale d'attitude ou de navigation inertielle comportant un tel dispositif
US9644966B2 (en) * 2014-09-11 2017-05-09 Honeywell International Inc. Integrated optic circuit with waveguides stitched at supplementary angles for reducing coherent backscatter
US10852137B2 (en) * 2017-09-29 2020-12-01 Gener8, LLC Multilayer waveguide optical gyroscope
EP3864373B1 (fr) * 2018-10-11 2025-04-23 EMCORE Corporation Circuits intégrés photoniques, gyroscopes à fibre optique et leurs procédés de fabrication
CN112833873A (zh) * 2020-09-12 2021-05-25 天津领芯科技发展有限公司 光子集成芯片以及干涉型光纤陀螺
CN214375657U (zh) * 2021-03-04 2021-10-08 天津领芯科技发展有限公司 混合集成光电芯片以及光调制器、光纤陀螺

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6163632A (en) * 1997-09-23 2000-12-19 Bookham Technology Plc Integrated optical circuit
US20080024786A1 (en) * 2006-07-31 2008-01-31 Honeywell International, Inc. Fiber optic gyroscope having a silicon-based optical chip

Also Published As

Publication number Publication date
CN113167583A (zh) 2021-07-23
JP7479359B2 (ja) 2024-05-08
WO2020074834A2 (fr) 2020-04-16
EP3864374A2 (fr) 2021-08-18
US11549812B2 (en) 2023-01-10
US20220018659A1 (en) 2022-01-20
FR3087255A1 (fr) 2020-04-17
FR3087255B1 (fr) 2020-10-09
JP2022504196A (ja) 2022-01-13
CN113167583B (zh) 2024-08-16

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