DE69208296T2 - Faseroptischer Kreisel - Google Patents
Faseroptischer KreiselInfo
- Publication number
- DE69208296T2 DE69208296T2 DE69208296T DE69208296T DE69208296T2 DE 69208296 T2 DE69208296 T2 DE 69208296T2 DE 69208296 T DE69208296 T DE 69208296T DE 69208296 T DE69208296 T DE 69208296T DE 69208296 T2 DE69208296 T2 DE 69208296T2
- Authority
- DE
- Germany
- Prior art keywords
- fiber optic
- optic gyroscope
- gyroscope
- fiber
- optic
- 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 - Fee Related
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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/27—Optical coupling means with polarisation selective and adjusting means
- G02B6/2706—Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters
- G02B6/2713—Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters cascade of polarisation selective or adjusting operations
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/27—Optical coupling means with polarisation selective and adjusting means
- G02B6/2726—Optical coupling means with polarisation selective and adjusting means in or on light guides, e.g. polarisation means assembled in a light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/27—Optical coupling means with polarisation selective and adjusting means
- G02B6/2726—Optical coupling means with polarisation selective and adjusting means in or on light guides, e.g. polarisation means assembled in a light guide
- G02B6/274—Optical coupling means with polarisation selective and adjusting means in or on light guides, e.g. polarisation means assembled in a light guide based on light guide birefringence, e.g. due to coupling between light guides
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/27—Optical coupling means with polarisation selective and adjusting means
- G02B6/2753—Optical coupling means with polarisation selective and adjusting means characterised by their function or use, i.e. of the complete device
- G02B6/2766—Manipulating the plane of polarisation from one input polarisation to another output polarisation, e.g. polarisation rotators, linear to circular polarisation converters
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19853491 | 1991-07-12 | ||
JP4139899A JPH05149752A (ja) | 1991-07-12 | 1992-04-30 | 光フアイバジヤイロ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69208296D1 DE69208296D1 (de) | 1996-03-28 |
DE69208296T2 true DE69208296T2 (de) | 1996-07-04 |
Family
ID=26472574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69208296T Expired - Fee Related DE69208296T2 (de) | 1991-07-12 | 1992-07-08 | Faseroptischer Kreisel |
Country Status (6)
Country | Link |
---|---|
US (1) | US5335064A (de) |
EP (1) | EP0522843B1 (de) |
JP (1) | JPH05149752A (de) |
KR (1) | KR960007747B1 (de) |
CA (1) | CA2073423C (de) |
DE (1) | DE69208296T2 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5377283A (en) * | 1992-05-29 | 1994-12-27 | Honeywell Inc. | Configuration control of mode coupling errors |
US5400418A (en) * | 1992-12-04 | 1995-03-21 | Williams Telecommunication Group, Inc. | Polarization independent all-fiber optical circulator |
US5381230A (en) * | 1993-02-12 | 1995-01-10 | Honeywell Inc. | Emission source spectrum stabilizer |
JPH07151555A (ja) * | 1993-11-26 | 1995-06-16 | Sumitomo Electric Ind Ltd | 光源から信号を取り出す光ファイバジャイロ |
DE4344856A1 (de) * | 1993-12-29 | 1995-07-06 | Abb Research Ltd | Faseroptischer Transmissionssensor mit Modulator |
US5432637A (en) * | 1994-06-13 | 1995-07-11 | Hakimi; Farhad | Fiber optic depolarizer for optical time domain reflectometer and fiber optical communication systems |
US5999544A (en) * | 1995-08-18 | 1999-12-07 | Spectra-Physics Lasers, Inc. | Diode pumped, fiber coupled laser with depolarized pump beam |
US5608742A (en) * | 1995-08-18 | 1997-03-04 | Spectra Physics Lasers, Inc. | Diode pumped, fiber coupled laser with depolarized pump beam |
US5898496A (en) * | 1997-02-14 | 1999-04-27 | Allied Signal Inc | Optical signal noise reduction for fiber optic gyroscopses |
US5949930A (en) * | 1997-07-23 | 1999-09-07 | Litton Systems, Inc. | Apparatus and method for scale factor stabilization in interferometric fiber optic rotation sensors |
US6211963B1 (en) | 1998-12-29 | 2001-04-03 | Honeywell Inc. | Low drift depolarizer for fiber optic gyroscope having legs wound in a winding pattern |
US6535654B1 (en) * | 1998-12-29 | 2003-03-18 | Nxtphase Technologies, Srl | Method for fabrication of an all fiber polarization retardation device |
GB2348016A (en) * | 1999-02-19 | 2000-09-20 | Protodel International Limited | Polarisation control in optic fibres and optic fibre fusion splicer |
US6337874B1 (en) | 1999-05-27 | 2002-01-08 | Corning Lasertron, Inc. | Optical component with polarization-maintaining fiber pigtail splice to regular fiber with grating |
JP2002031735A (ja) * | 2000-05-12 | 2002-01-31 | Furukawa Electric Co Ltd:The | 波長合波モジュール |
US6522796B1 (en) * | 2000-10-24 | 2003-02-18 | Jds Uniphase Corporation | Depolarizing polarization mode combiner |
JP4713769B2 (ja) * | 2001-05-31 | 2011-06-29 | 株式会社ミツトヨ | 半導体レーザの高周波重畳動作検査装置 |
JP4082049B2 (ja) * | 2002-03-12 | 2008-04-30 | 富士通株式会社 | 光送信装置 |
JP2004037553A (ja) * | 2002-06-28 | 2004-02-05 | Ando Electric Co Ltd | クロストーク改善モジュール及びその使用方法 |
US20100238451A1 (en) * | 2009-03-18 | 2010-09-23 | Honeywell International Inc. | Depolarizer for a fiber optic gyroscope (fog) using high birefringence photonic crystal fiber |
CN102023337B (zh) * | 2009-09-22 | 2012-01-18 | 北京大学 | 一种双偏振光保偏光纤消偏器 |
US8520214B2 (en) * | 2011-07-13 | 2013-08-27 | The United States Of America As Represented By The Secretary Of The Navy | Fiber optical gyroscope |
US9541399B2 (en) * | 2012-11-14 | 2017-01-10 | Northrop Grumman Guidance And Electronics Company, Inc. | Fiber optic gyroscope with front end polarizer |
US9823075B2 (en) * | 2013-01-10 | 2017-11-21 | Xiaotian Steve Yao | Non-interferometric optical gyroscope based on polarization sensing |
CN103454727B (zh) * | 2013-08-30 | 2015-09-16 | 广东中钰科技股份有限公司 | 一种Lyot消偏器的制作方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3115804A1 (de) * | 1981-04-18 | 1982-11-04 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | "ringinterferometer" |
JPS59155806A (ja) * | 1983-02-24 | 1984-09-05 | Kokusai Denshin Denwa Co Ltd <Kdd> | 無偏光素子 |
JPS6097304A (ja) * | 1983-11-01 | 1985-05-31 | Shojiro Kawakami | 偏光子 |
US4712306A (en) * | 1985-12-27 | 1987-12-15 | Mcdonnell Douglas Corporation | Fiber optic earth rotation gyro compass |
CA1319542C (en) * | 1986-09-19 | 1993-06-29 | George A. Pavlath | Dual fiber optic gyroscope |
CA2049382C (en) * | 1990-08-27 | 1996-06-04 | Yozo Nishiura | Fiber-optic gyroscope with fibre polarizers, depolarizers and coupling means |
JP2571870B2 (ja) * | 1990-08-27 | 1997-01-16 | 住友電気工業株式会社 | 光フアイバジヤイロ |
JP2591852B2 (ja) * | 1990-08-27 | 1997-03-19 | 住友電気工業株式会社 | 光フアイバジヤイロ |
JP2751599B2 (ja) * | 1990-08-27 | 1998-05-18 | 住友電気工業株式会社 | 光フアイバジヤイロ |
-
1992
- 1992-04-30 JP JP4139899A patent/JPH05149752A/ja active Pending
- 1992-07-08 EP EP92306275A patent/EP0522843B1/de not_active Expired - Lifetime
- 1992-07-08 DE DE69208296T patent/DE69208296T2/de not_active Expired - Fee Related
- 1992-07-09 CA CA002073423A patent/CA2073423C/en not_active Expired - Fee Related
- 1992-07-10 US US07/911,612 patent/US5335064A/en not_active Expired - Fee Related
- 1992-07-13 KR KR1019920012548A patent/KR960007747B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR930002821A (ko) | 1993-02-23 |
EP0522843A3 (en) | 1993-06-09 |
EP0522843B1 (de) | 1996-02-14 |
US5335064A (en) | 1994-08-02 |
CA2073423C (en) | 1996-06-04 |
DE69208296D1 (de) | 1996-03-28 |
JPH05149752A (ja) | 1993-06-15 |
EP0522843A2 (de) | 1993-01-13 |
CA2073423A1 (en) | 1993-01-13 |
KR960007747B1 (ko) | 1996-06-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: WESER & KOLLEGEN, 81245 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |