AU2001249426A1 - Dithering system and method for a laser diode light source for an optical gyroscope - Google Patents

Dithering system and method for a laser diode light source for an optical gyroscope

Info

Publication number
AU2001249426A1
AU2001249426A1 AU2001249426A AU4942601A AU2001249426A1 AU 2001249426 A1 AU2001249426 A1 AU 2001249426A1 AU 2001249426 A AU2001249426 A AU 2001249426A AU 4942601 A AU4942601 A AU 4942601A AU 2001249426 A1 AU2001249426 A1 AU 2001249426A1
Authority
AU
Australia
Prior art keywords
light source
laser diode
diode light
optical gyroscope
dithering system
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
Application number
AU2001249426A
Inventor
Herb Califano
Pei-Hwa Lo
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.)
Honeywell International Inc
Original Assignee
Honeywell International Inc
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 Honeywell International Inc filed Critical Honeywell International Inc
Publication of AU2001249426A1 publication Critical patent/AU2001249426A1/en
Abandoned 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

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)
AU2001249426A 2000-03-27 2001-03-23 Dithering system and method for a laser diode light source for an optical gyroscope Abandoned AU2001249426A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US19227600P 2000-03-27 2000-03-27
US60192276 2000-03-27
PCT/US2001/009492 WO2001073377A1 (en) 2000-03-27 2001-03-23 Dithering system and method for a laser diode light source for an optical gyroscope

Publications (1)

Publication Number Publication Date
AU2001249426A1 true AU2001249426A1 (en) 2001-10-08

Family

ID=22709005

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001249426A Abandoned AU2001249426A1 (en) 2000-03-27 2001-03-23 Dithering system and method for a laser diode light source for an optical gyroscope

Country Status (7)

Country Link
US (1) US6657729B2 (en)
EP (1) EP1409960A4 (en)
JP (1) JP2005515401A (en)
AU (1) AU2001249426A1 (en)
BR (1) BR0109668A (en)
CA (1) CA2404465A1 (en)
WO (1) WO2001073377A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10138154C2 (en) 2001-08-03 2003-06-05 Litef Gmbh Method and device for increasing the long-term operational reliability of a fiber optic interferometer
EP1439644B1 (en) * 2003-01-14 2006-04-05 Agilent Technologies, Inc. - a Delaware corporation - Method and device for injecting a pilot tone into a digital signal
US7468998B2 (en) * 2005-03-25 2008-12-23 Pavilion Integration Corporation Radio frequency modulation of variable degree and automatic power control using external photodiode sensor for low-noise lasers of various wavelengths
JP5643584B2 (en) * 2010-09-13 2014-12-17 日本航空電子工業株式会社 Ring laser gyro device
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
US8873063B2 (en) 2012-08-14 2014-10-28 Honeywell International Inc. Low noise resonator fiber optic gyro
CN106323339A (en) * 2016-08-23 2017-01-11 中国航空工业集团公司西安飞行自动控制研究所 Manufacturing method for low intensity and tiny noise closed-loop fiber-optic gyroscope
CN112284411B (en) * 2020-09-09 2023-07-28 北京航天时代激光导航技术有限责任公司 Jitter control method of laser inertial measurement unit

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5136600A (en) 1990-09-18 1992-08-04 Litton Systems Inc. Stabilization apparatus and method for an sfs
DE4034664A1 (en) * 1990-10-31 1992-05-07 Litef Gmbh FIBER OPTICAL SAGNAC INTERFEROMETER FOR MEASURING RATE RATE
DE4037118C1 (en) * 1990-11-22 1992-04-30 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De
US5329396A (en) * 1992-10-28 1994-07-12 At&T Bell Laboratories Reduction of stimulated brillouin scattering in a fiber optic transmission system
FR2700895B1 (en) * 1993-01-28 1995-03-03 Jean Debeau Method and device for generating optical pulses.
JP3259862B2 (en) * 1993-02-18 2002-02-25 日本電信電話株式会社 Optical signal transmitter
US5477368A (en) * 1994-12-29 1995-12-19 At&T Corp. High power lightwave transmitter using highly saturated amplifier for residual AM suppression
US5563705A (en) * 1995-06-07 1996-10-08 Honeywell, Inc. Optical power balancing in interferometric fiber optic gyroscopes
US6215809B1 (en) 1996-03-25 2001-04-10 Sdl, Inc. Stabilization of laser sources with closely-coupled optical reflectors using an internal dither circuit
JPH1096634A (en) * 1996-09-24 1998-04-14 Hitachi Ltd Phase modulation type optical fiber gyro
JP3269980B2 (en) * 1997-01-13 2002-04-02 沖電気工業株式会社 Optical transmitter
US5991061A (en) * 1997-10-20 1999-11-23 Lucent Technologies Inc. Laser transmitter for reduced SBS
US6359918B1 (en) * 1998-06-30 2002-03-19 Honeywell International Inc. Light source control device

Also Published As

Publication number Publication date
US6657729B2 (en) 2003-12-02
JP2005515401A (en) 2005-05-26
CA2404465A1 (en) 2001-10-04
EP1409960A1 (en) 2004-04-21
EP1409960A4 (en) 2009-12-30
US20030189710A1 (en) 2003-10-09
WO2001073377A1 (en) 2001-10-04
BR0109668A (en) 2006-10-10

Similar Documents

Publication Publication Date Title
EP1073170A3 (en) Wavelength stabilized laser light source
AU2844200A (en) Semiconductor-solid state laser optical waveguide pump device and method
AU2001256337A1 (en) Device and method for transmitting light over an optical fiber
AU1741399A (en) Laser light
AU2001255284A1 (en) Light guide for laser welding
AU5776600A (en) Method and apparatus for combining light output from multiple laser diode bars
AU2001284694A1 (en) Illumination device and method for laser projector
AU2002355084A1 (en) Fiber optic laser detection and ranging system
AU3347699A (en) Illumination device for generating non-symmetric light beam, optical lens array and optical lens
EP1191386A3 (en) Laser light generating apparatus
GB2391506B (en) Method of severing an optical fibre using a laser beam
EP1808854B8 (en) Light source driving unit and optical storage apparatus
AU4800899A (en) Optical device, exposure system, and laser beam source, and gas feed method, exposure method, and device manufacturing method
EP1218973A4 (en) Tunable laser source with integrated optical modulator
GB9810705D0 (en) Optical device for splitting up a multi-wavelength light beam
GB2346362B (en) A forklift having an optical device that provides a shaped light beam
IL155859A0 (en) Optical unit and system for steering a light beam
AU2002216344A1 (en) Optical device for unifying light beams emitted by several light sources
AU2001249426A1 (en) Dithering system and method for a laser diode light source for an optical gyroscope
AU2002337338A1 (en) An optical light source
GB0120663D0 (en) Method for illuminating an object with light from a laser light source
IL149574A0 (en) Method and system for generating laser light
AU2002352798A1 (en) UV OPTICAL FLUORIDE CRYSTAL ELEMENTS FOR LamdaLESS THAN200NM LASER LITHOGRAPHY AND METHODS THEREFORE
AU2002324445A1 (en) Compression-tunable fiber laser and compression-resistant optical fiber for lasers
AU2002338940A1 (en) Holding device for placing an optical component in front of a laser light source, a corresponding system, and a method for producing a system of this type