ATE207608T1 - Verminderung des optischen signalrauschens für einen faseroptischen kreisel - Google Patents
Verminderung des optischen signalrauschens für einen faseroptischen kreiselInfo
- Publication number
- ATE207608T1 ATE207608T1 AT98908580T AT98908580T ATE207608T1 AT E207608 T1 ATE207608 T1 AT E207608T1 AT 98908580 T AT98908580 T AT 98908580T AT 98908580 T AT98908580 T AT 98908580T AT E207608 T1 ATE207608 T1 AT E207608T1
- Authority
- AT
- Austria
- Prior art keywords
- signal noise
- gyro
- reducing
- optical signal
- fiber
- Prior art date
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
- G01C19/726—Phase nulling gyrometers, i.e. compensating the Sagnac phase shift in a closed loop system
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Gyroscopes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/800,944 US5898496A (en) | 1997-02-14 | 1997-02-14 | Optical signal noise reduction for fiber optic gyroscopses |
PCT/US1998/003096 WO1998036243A1 (en) | 1997-02-14 | 1998-02-12 | Optical signal noise reduction for fiber optic gyroscopes |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE207608T1 true ATE207608T1 (de) | 2001-11-15 |
Family
ID=25179787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT98908580T ATE207608T1 (de) | 1997-02-14 | 1998-02-12 | Verminderung des optischen signalrauschens für einen faseroptischen kreisel |
Country Status (5)
Country | Link |
---|---|
US (1) | US5898496A (de) |
EP (1) | EP0960319B1 (de) |
AT (1) | ATE207608T1 (de) |
DE (1) | DE69802166T2 (de) |
WO (1) | WO1998036243A1 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6563589B1 (en) | 1996-04-19 | 2003-05-13 | Kvh Industries, Inc. | Reduced minimum configuration fiber optic current sensor |
US6891622B2 (en) | 1999-02-11 | 2005-05-10 | Kvh Industries, Inc. | Current sensor |
US6539134B1 (en) | 1999-02-11 | 2003-03-25 | Kvh Industries, Inc. | Polarization transformer |
US6507405B1 (en) * | 1999-05-17 | 2003-01-14 | Ultratech Stepper, Inc. | Fiber-optic interferometer employing low-coherence-length light for precisely measuring absolute distance and tilt |
US6370289B1 (en) | 2000-01-12 | 2002-04-09 | Kvh Industries, Inc. | Apparatus and method for electronic RIN reduction in fiber-optic sensors |
WO2001063302A2 (en) | 2000-02-28 | 2001-08-30 | Kvh Industries, Inc. | Faraday-effect current sensor with improved vibration response |
US6594020B2 (en) | 2000-07-13 | 2003-07-15 | Kvh Industries, Inc | Method for controlling fiber optic sensor scale factor using amplitude modulation |
AU2002217751A1 (en) | 2000-08-02 | 2002-03-26 | Kvh Industries, Inc. | Decreasing the effects of linear birefringence in a fiber-optic sensor by use of berry's topological phase |
US7120323B2 (en) * | 2000-08-02 | 2006-10-10 | Kvh Industries, Inc. | Reduction of linear birefringence in circular-cored single-mode fiber |
ATE485492T1 (de) | 2000-11-28 | 2010-11-15 | Politecnico Di Bari | Integrierter optischer winkelgeschwindigkeitssensor |
US6785474B2 (en) | 2000-12-19 | 2004-08-31 | Scientific-Atlanta, Inc. | Method and apparatus for suppressing relative intensity noise (RIN) and improving transmission signals |
US6836334B2 (en) * | 2001-10-31 | 2004-12-28 | Kvh Industries, Inc. | Angle random walk (ARW) noise reduction in fiber optic sensors using an optical amplifier |
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 |
US6763153B2 (en) * | 2002-04-17 | 2004-07-13 | Kvh Industries, Inc. | Apparatus and method for electronic RIN reduction in fiber-optic sensors utilizing filter with group delay |
CN100494897C (zh) * | 2006-12-31 | 2009-06-03 | 中国航天时代电子公司 | 采用低偏和保偏混合光路的光纤陀螺 |
US7713196B2 (en) | 2007-03-09 | 2010-05-11 | Nellcor Puritan Bennett Llc | Method for evaluating skin hydration and fluid compartmentalization |
US8560059B2 (en) * | 2007-03-09 | 2013-10-15 | Covidien Lp | System and methods for optical sensing and drug delivery using microneedles |
US20100284018A1 (en) * | 2009-05-11 | 2010-11-11 | Honeywell International Inc. | Systems and methods for effective relative intensity noise (rin) subtraction in depolarized gyros |
US8213018B2 (en) | 2010-11-10 | 2012-07-03 | Honeywell International Inc. | Constant optical power sensor using a light source current servo combined with digital demodulation intensity suppression for radiation and vibration insensitivity in a fiber optic gyroscope |
RU2495376C1 (ru) * | 2012-05-11 | 2013-10-10 | Федеральное государственное унитарное предприятие "Центр эксплуатации объектов наземной космической инфраструктуры" (ФГУП "ЦЭНКИ") | Источник излучения с низким уровнем шумов интенсивности для волоконно-оптического гироскопа |
CN103438881B (zh) * | 2013-08-20 | 2016-01-20 | 重庆华渝电气仪表总厂 | 一种抑制光纤环中间段背向散射噪声的方法 |
US9267799B2 (en) | 2014-02-24 | 2016-02-23 | Honeywell International Inc. | Method and apparatus of monitoring and tracking optical frequency differences of modulated beams |
FR3017945B1 (fr) * | 2014-02-26 | 2017-07-28 | Ixblue | Dispositif de mesure interferometrique |
FR3052859B1 (fr) * | 2016-06-20 | 2018-11-23 | Ixblue | Systeme de mesure et gyrometre comportant un tel systeme |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3049033A1 (de) * | 1980-12-24 | 1982-07-22 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | "ringinterferometer" |
CA2049382C (en) * | 1990-08-27 | 1996-06-04 | Yozo Nishiura | Fiber-optic gyroscope with fibre polarizers, depolarizers and coupling means |
JPH05149752A (ja) * | 1991-07-12 | 1993-06-15 | Sumitomo Electric Ind Ltd | 光フアイバジヤイロ |
US5331404A (en) * | 1992-11-30 | 1994-07-19 | The United States Of America As Represented By The Secretary Of The Navy | Low noise fiber gyroscope system which includes excess noise subtraction |
US5469257A (en) * | 1993-11-24 | 1995-11-21 | Honeywell Inc. | Fiber optic gyroscope output noise reducer |
-
1997
- 1997-02-14 US US08/800,944 patent/US5898496A/en not_active Expired - Fee Related
-
1998
- 1998-02-12 DE DE69802166T patent/DE69802166T2/de not_active Expired - Fee Related
- 1998-02-12 WO PCT/US1998/003096 patent/WO1998036243A1/en active IP Right Grant
- 1998-02-12 EP EP98908580A patent/EP0960319B1/de not_active Expired - Lifetime
- 1998-02-12 AT AT98908580T patent/ATE207608T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69802166D1 (de) | 2001-11-29 |
DE69802166T2 (de) | 2002-11-28 |
EP0960319B1 (de) | 2001-10-24 |
WO1998036243A1 (en) | 1998-08-20 |
US5898496A (en) | 1999-04-27 |
EP0960319A1 (de) | 1999-12-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE207608T1 (de) | Verminderung des optischen signalrauschens für einen faseroptischen kreisel | |
DE69124036D1 (de) | Lichtquelle für Polarisationsschaltung, optischer Empfänger und kohärentes optisches Übertragungssystem | |
DE60110901D1 (de) | Faserkoppler, system und zugehörige verfahren zur reduktion von rückreflektionen | |
FR2758890B1 (fr) | Dispositif optique de polarisation | |
FR2682239B1 (fr) | Systeme de transmission bidirectionnelle, notamment par fibre optique, avec une porteuse unique pour les deux sens de transmission. | |
EP1176427A3 (de) | Magnetooptisches Element und optischer Magnetfeldfühler | |
DE3484705D1 (de) | Polarisator fuer faseroptik. | |
FR2751758B1 (fr) | Dispositif de polarisation optique integre | |
DE69427494T2 (de) | Vorspannungsschaltung für Lawinenphotodiode. | |
CA2096424A1 (en) | Fiber optic gyro | |
TW348220B (en) | Polarized superfluorescent fiber sources | |
FR2705782B1 (fr) | Hydrophone plan à fibres optiques. | |
DE69409686T2 (de) | Aufnehmerspule eines Lichtleitfaserkreisels | |
DE69405434T2 (de) | Aufnehmerspule eines Lichtleitfaserkreisels | |
TR28759A (tr) | Optik fiber düzenleyici. | |
CA2051875A1 (en) | Fiber optic gyro with reduced zero-point output drift | |
DE69010810D1 (de) | Optischer Faserkreisel. | |
GB2018456A (en) | Optical interferometers | |
WO2003089966A3 (en) | Wavelenght selective fiber optic coupler | |
FR2703778B1 (fr) | Dispositif de mesure optique, notamment par spectrophotométrie. | |
FR2708351B1 (fr) | Dispositif optique accordable. | |
ATE113419T1 (de) | Doppelkern-aktivfaser als optischer breitband- signal-verstärker. | |
FR2710419B1 (fr) | Dispositif de raccordement pour fibres optiques. | |
SE9902552D0 (sv) | Optisk koppling | |
MY146192A (en) | Method and apparatus for monitoring optical signals in a planar lightwave circuit via in-plane filtering |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |