CA2355640A1 - Polarization error suspension in fiber optic gyroscopes - Google Patents
Polarization error suspension in fiber optic gyroscopes Download PDFInfo
- Publication number
- CA2355640A1 CA2355640A1 CA002355640A CA2355640A CA2355640A1 CA 2355640 A1 CA2355640 A1 CA 2355640A1 CA 002355640 A CA002355640 A CA 002355640A CA 2355640 A CA2355640 A CA 2355640A CA 2355640 A1 CA2355640 A1 CA 2355640A1
- Authority
- CA
- Canada
- Prior art keywords
- amplitude
- fiber optic
- optic gyroscope
- error
- signal
- 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.)
- Abandoned
Links
- 230000010287 polarization Effects 0.000 title claims abstract description 134
- 239000000835 fiber Substances 0.000 title claims abstract description 74
- 239000000725 suspension Substances 0.000 title description 2
- 230000001629 suppression Effects 0.000 claims description 60
- 239000013307 optical fiber Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000006880 cross-coupling reaction Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 description 18
- 239000008186 active pharmaceutical agent Substances 0.000 description 6
- 230000002452 interceptive effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008033 biological extinction Effects 0.000 description 2
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 101100537937 Caenorhabditis elegans arc-1 gene Proteins 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005311 autocorrelation function Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/215,581 | 1998-12-17 | ||
| US09/215,581 US6175410B1 (en) | 1998-12-17 | 1998-12-17 | Fiber optic gyroscope having modulated suppression of co-propagating and counter-propagating polarization errors |
| PCT/US1999/026517 WO2000036375A1 (en) | 1998-12-17 | 1999-11-09 | Polarization error suspension in fiber optic gyroscopes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2355640A1 true CA2355640A1 (en) | 2000-06-22 |
Family
ID=22803545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002355640A Abandoned CA2355640A1 (en) | 1998-12-17 | 1999-11-09 | Polarization error suspension in fiber optic gyroscopes |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6175410B1 (enExample) |
| EP (1) | EP1149271B1 (enExample) |
| JP (1) | JP4052801B2 (enExample) |
| CA (1) | CA2355640A1 (enExample) |
| DE (1) | DE69931815T2 (enExample) |
| WO (1) | WO2000036375A1 (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6798523B2 (en) * | 2001-12-04 | 2004-09-28 | Honeywell International Inc. | Sensor and method for detecting fiber optic faults |
| US6801319B2 (en) * | 2002-01-03 | 2004-10-05 | Honeywell International, Inc. | Symmetrical depolarized fiber optic gyroscope |
| US6765678B2 (en) * | 2002-01-08 | 2004-07-20 | Honeywell International Inc. | Relative intensity noise controller with maximum gain at frequencies at or above the bias modulation frequency or with second order feedback for fiber light sources |
| US6778279B2 (en) * | 2002-02-19 | 2004-08-17 | Honeywell International, Inc. | Inline sagnac fiber optic sensor with modulation adjustment |
| JP3692474B2 (ja) | 2002-11-01 | 2005-09-07 | 日本航空電子工業株式会社 | 光ファイバジャイロ |
| US7190462B2 (en) * | 2003-03-27 | 2007-03-13 | Japan Aviation Electronics Industry Limited | Fiber optic gyroscope having optical integrated circuit, depolarizer and fiber optic coil |
| US7038783B2 (en) * | 2003-05-23 | 2006-05-02 | Honeywell International Inc. | Eigen frequency detector for Sagnac interferometers |
| US7515272B2 (en) * | 2006-03-17 | 2009-04-07 | Honeywell International Inc. | Digital feedback systems and methods for optical gyroscopes |
| US7973938B2 (en) * | 2008-09-24 | 2011-07-05 | Honeywell International Inc. | Bias-reduced fiber optic gyroscope with polarizing fibers |
| US20100284018A1 (en) * | 2009-05-11 | 2010-11-11 | Honeywell International Inc. | Systems and methods for effective relative intensity noise (rin) subtraction in depolarized gyros |
| US8085407B2 (en) * | 2009-08-12 | 2011-12-27 | Honeywell International Inc. | Resonator optical gyroscope having input beam modulation optimized for high sensitivity and low bias |
| US7933020B1 (en) | 2009-12-13 | 2011-04-26 | Honeywell International Inc. | System and method for reducing laser phase noise in a resonator fiber optic gyroscope |
| US8009296B2 (en) * | 2009-12-13 | 2011-08-30 | Honeywell International Inc. | Light-phase-noise error reducer |
| US8923352B2 (en) | 2012-08-10 | 2014-12-30 | Honeywell International Inc. | Laser with transmission and reflection mode feedback control |
| US8947671B2 (en) | 2013-02-22 | 2015-02-03 | Honeywell International Inc. | Method and system for detecting optical ring resonator resonance frequencies and free spectral range to reduce the number of lasers in a resonator fiber optic gyroscope |
| US9001336B1 (en) | 2013-10-07 | 2015-04-07 | Honeywell International Inc. | Methods and apparatus of tracking/locking resonator free spectral range and its application in resonator fiber optic gyroscope |
| CN107747952B (zh) * | 2017-09-20 | 2018-11-30 | 北京航空航天大学 | 一种光纤陀螺闭环反馈控制三角形相位调制波驱动装置 |
| CN114257303B (zh) * | 2021-12-10 | 2023-10-03 | 武汉邮电科学研究院有限公司 | 一种抑制光纤通信非线性效应的方法和系统 |
| CN115235445B (zh) * | 2022-07-21 | 2025-06-27 | 北京航空航天大学 | 高精度低噪声消偏型光纤陀螺及干涉光谱调制度抑制方法 |
| CN116448088B (zh) * | 2023-06-07 | 2023-09-05 | 中国船舶集团有限公司第七〇七研究所 | 一种陀螺仪校正装置及校正方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3418288A1 (de) * | 1984-05-17 | 1985-11-28 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Einrichtung zur messung der drehgeschwindigkeit |
| US5018859A (en) | 1989-01-26 | 1991-05-28 | Honeywell Inc. | Fiber optic gyroscope balanced plural serrodyne modulators phase difference control |
| SE8900942D0 (sv) * | 1989-03-16 | 1989-03-16 | Optisk Forskning Inst | Fiberoptiska gyron |
| US5009480A (en) * | 1989-08-11 | 1991-04-23 | Japan Aviation Electronics Industry Limited | Fiber optic gyro |
| US5327213A (en) | 1991-11-14 | 1994-07-05 | Honeywell Inc. | Configuration control of mode coupling errors |
| US5296912A (en) * | 1992-01-16 | 1994-03-22 | Honeywell Inc. | RFOG rotation rate error reducer having resonator mode symmetrization |
| US5377283A (en) | 1992-05-29 | 1994-12-27 | Honeywell Inc. | Configuration control of mode coupling errors |
| EP0611950B1 (de) | 1993-02-17 | 1997-01-08 | LITEF GmbH | Kompensation der Lichtquellenwellenlängenänderung in einem geregelten faseroptischen Sagnac-Interferometer |
| US5469257A (en) | 1993-11-24 | 1995-11-21 | Honeywell Inc. | Fiber optic gyroscope output noise reducer |
| US5602642A (en) * | 1995-06-07 | 1997-02-11 | Honeywell Inc. | Magnetically insensitive fiber optic rotation sensor |
| US5781300A (en) * | 1996-10-31 | 1998-07-14 | Honeywell Inc. | Backscatter error reducer for interferometric fiber optic gyroscope |
-
1998
- 1998-12-17 US US09/215,581 patent/US6175410B1/en not_active Expired - Lifetime
-
1999
- 1999-11-09 JP JP2000588571A patent/JP4052801B2/ja not_active Expired - Fee Related
- 1999-11-09 WO PCT/US1999/026517 patent/WO2000036375A1/en not_active Ceased
- 1999-11-09 EP EP99962730A patent/EP1149271B1/en not_active Expired - Lifetime
- 1999-11-09 DE DE69931815T patent/DE69931815T2/de not_active Expired - Lifetime
- 1999-11-09 CA CA002355640A patent/CA2355640A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| WO2000036375A1 (en) | 2000-06-22 |
| JP2002532705A (ja) | 2002-10-02 |
| US6175410B1 (en) | 2001-01-16 |
| DE69931815D1 (de) | 2006-07-20 |
| EP1149271B1 (en) | 2006-06-07 |
| DE69931815T2 (de) | 2007-06-14 |
| EP1149271A1 (en) | 2001-10-31 |
| JP4052801B2 (ja) | 2008-02-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2355640A1 (en) | Polarization error suspension in fiber optic gyroscopes | |
| EP0730725B1 (en) | Reduction of optical noise | |
| EP0288032B1 (en) | Integrated triad optical rate sensor apparatus | |
| JP2002532705A5 (enExample) | ||
| US4545682A (en) | Optical gyroscope | |
| EP1044354B1 (en) | Fiber optic gyroscope | |
| US4898468A (en) | Sagnac distributed sensor | |
| US6801319B2 (en) | Symmetrical depolarized fiber optic gyroscope | |
| EP0830570B1 (en) | Proper frequency tracker for fiber optic sensing coil | |
| EP0563279B1 (en) | Fiber optic gyro | |
| JP2009047684A (ja) | Ｒｆｏｇ変調エラー補正 | |
| EP0502196B1 (en) | Optical interference angular velocity meter | |
| US4836676A (en) | Phase reading fiber optic interferometer | |
| US4433915A (en) | Dual-polarization interferometer with a single-mode waveguide | |
| US4635482A (en) | Sagnac phase detection passive laser accelerometer | |
| EP0666976B1 (en) | Method and apparatus for compensating for the residual birefringence in interferometric fiber-optic gyros | |
| EP0160450B1 (en) | Phase reading fiber optic interferometer | |
| EP0462360A1 (en) | Compound fiber-optic gyroscope using frequency discrimination | |
| JPH0660820B2 (ja) | フアイバ光学回転センサ | |
| EP0416070B1 (en) | Single-polarization, integrated optical components for optical gyroscopes | |
| JPH0781866B2 (ja) | 光フアイバジヤイロスコ−プ | |
| Bergh et al. | All single mode fiber optic gyroscope | |
| JP3271019B2 (ja) | 光ファイバジャイロ | |
| JPH02262006A (ja) | 光フアイバジヤイロスコープ | |
| JPH02266216A (ja) | 光ファイバジャイロ |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |