JP5448745B2 - 偏光モードにより引き起こされるバイアス誤差が低減されたrfog - Google Patents
偏光モードにより引き起こされるバイアス誤差が低減されたrfog Download PDFInfo
- Publication number
- JP5448745B2 JP5448745B2 JP2009266433A JP2009266433A JP5448745B2 JP 5448745 B2 JP5448745 B2 JP 5448745B2 JP 2009266433 A JP2009266433 A JP 2009266433A JP 2009266433 A JP2009266433 A JP 2009266433A JP 5448745 B2 JP5448745 B2 JP 5448745B2
- Authority
- JP
- Japan
- Prior art keywords
- resonator
- esop
- polarization
- input
- ccw
- 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
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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
- G01C19/727—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 using a passive ring resonator
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- 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 Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/323,264 US7889350B2 (en) | 2008-11-25 | 2008-11-25 | RFOG with reduced polarization mode induced bias error |
| US12/323,264 | 2008-11-25 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010127934A JP2010127934A (ja) | 2010-06-10 |
| JP2010127934A5 JP2010127934A5 (enExample) | 2012-08-09 |
| JP5448745B2 true JP5448745B2 (ja) | 2014-03-19 |
Family
ID=42040637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009266433A Expired - Fee Related JP5448745B2 (ja) | 2008-11-25 | 2009-11-24 | 偏光モードにより引き起こされるバイアス誤差が低減されたrfog |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7889350B2 (enExample) |
| EP (1) | EP2189754B1 (enExample) |
| JP (1) | JP5448745B2 (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7646485B2 (en) * | 2004-12-02 | 2010-01-12 | Picarro, Inc. | Method and apparatus for enhancing the accuracy of CRDS measurements |
| US20100284018A1 (en) * | 2009-05-11 | 2010-11-11 | Honeywell International Inc. | Systems and methods for effective relative intensity noise (rin) subtraction in depolarized gyros |
| US8068233B2 (en) * | 2009-05-14 | 2011-11-29 | Honeywell International Inc. | Compact resonator fiber optic gyroscopes |
| US8274659B2 (en) * | 2010-08-30 | 2012-09-25 | Honeywell International Inc. | Resonator fiber optic gyroscopes with reduced rotation rate instability from back reflections |
| CN102147506A (zh) * | 2011-03-30 | 2011-08-10 | 浙江大学 | 基于45度倾斜角光纤光栅技术的单偏振光纤谐振腔 |
| CN102645703B (zh) * | 2012-04-10 | 2014-05-07 | 浙江大学 | 高偏振消光比的光学谐振腔 |
| CN102645708B (zh) * | 2012-04-10 | 2014-10-15 | 浙江大学 | 基于倾斜波导光栅结构的高偏振消光比的光波导谐振腔 |
| ITMC20120038A1 (it) * | 2012-04-19 | 2013-10-20 | Civitanavi Systems Di Andrea Pizzar Ulli | Giroscopio in fibra ottica con polarizzatore distribuito |
| US9097526B1 (en) | 2014-01-17 | 2015-08-04 | Honeywell International Inc. | Systems and methods for a polarization matched resonator fiber optic gyroscope |
| CN103941343A (zh) * | 2014-05-06 | 2014-07-23 | 浙江大学 | 高偏振消光比的光子晶体光纤谐振腔 |
| US10197397B2 (en) * | 2014-06-19 | 2019-02-05 | Honeywell International Inc. | Small low cost resonator fiber optic gyroscope with reduced optical errors |
| US10365107B2 (en) | 2017-08-03 | 2019-07-30 | Honeywell International Inc. | Systems and methods for reducing polarization-related bias errors in RFOGS |
| US10451421B2 (en) | 2018-01-05 | 2019-10-22 | Honeywell International Inc. | Resonant fiber optical gyroscope using antiresonant nodeless fiber |
| US10415971B2 (en) | 2018-01-15 | 2019-09-17 | Honeywell International Inc. | Apparatus and method for diminished bias error due to polarization mismatch |
| GB201812744D0 (en) | 2018-08-06 | 2018-09-19 | Univ Southampton | Iterferometric optical fibre sensors |
| US12492902B2 (en) | 2022-06-22 | 2025-12-09 | Honeywell International Inc. | Modulation methods and systems for non-reciprocal Kerr reduction in resonator fiber optic gyroscopes |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63149517A (ja) * | 1986-12-12 | 1988-06-22 | Nippon Telegr & Teleph Corp <Ntt> | リング共振器形ジヤイロスコ−プ |
| US5349441A (en) * | 1991-08-06 | 1994-09-20 | Honeywell, Inc. | Fiber optic gyroscope refractive index induced error compensation |
| DE4218905A1 (de) * | 1992-06-09 | 1993-12-16 | Bodenseewerk Geraetetech | Brillouin-Ringlaser |
| US6456381B1 (en) * | 1998-04-28 | 2002-09-24 | Fujikura Ltd. | Apparatus for and method of using optical interference of light propagating through an optical fiber loop |
| US7751055B2 (en) * | 2005-01-28 | 2010-07-06 | Honeywell International Inc. | Hollow core fiber optical gyro |
| US7486401B2 (en) * | 2006-02-27 | 2009-02-03 | Honeywell International Inc. | Laser medium pumping system for a gyroscope |
| US7463360B2 (en) * | 2006-04-18 | 2008-12-09 | Honeywell International Inc. | Optical resonator gyro with integrated external cavity beam generator |
| US7522284B2 (en) * | 2006-09-29 | 2009-04-21 | Honeywell International Inc. | Optical resonator gyro and method for reducing resonance asymmetry errors |
-
2008
- 2008-11-25 US US12/323,264 patent/US7889350B2/en active Active
-
2009
- 2009-11-19 EP EP09176558.6A patent/EP2189754B1/en not_active Not-in-force
- 2009-11-24 JP JP2009266433A patent/JP5448745B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP2189754A2 (en) | 2010-05-26 |
| JP2010127934A (ja) | 2010-06-10 |
| US20100128277A1 (en) | 2010-05-27 |
| US7889350B2 (en) | 2011-02-15 |
| EP2189754A3 (en) | 2012-02-22 |
| EP2189754B1 (en) | 2013-12-18 |
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