CA1189600A - Dispersion equalized ring laser gyroscope - Google Patents

Dispersion equalized ring laser gyroscope

Info

Publication number
CA1189600A
CA1189600A CA000384267A CA384267A CA1189600A CA 1189600 A CA1189600 A CA 1189600A CA 000384267 A CA000384267 A CA 000384267A CA 384267 A CA384267 A CA 384267A CA 1189600 A CA1189600 A CA 1189600A
Authority
CA
Canada
Prior art keywords
waves
faraday
dispersion
frequency
drift
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
Application number
CA000384267A
Other languages
English (en)
French (fr)
Inventor
Irl W. Smith
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.)
Raytheon Co
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Application granted granted Critical
Publication of CA1189600A publication Critical patent/CA1189600A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/58Turn-sensitive devices without moving masses
    • G01C19/64Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
    • G01C19/66Ring laser gyrometers
    • G01C19/667Ring laser gyrometers using a multioscillator ring laser
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • G02F1/093Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect used as non-reciprocal devices, e.g. optical isolators, circulators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08Construction or shape of optical resonators or components thereof
    • H01S3/081Construction or shape of optical resonators or components thereof comprising three or more reflectors
    • H01S3/083Ring lasers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Plasma & Fusion (AREA)
  • Gyroscopes (AREA)
  • Lasers (AREA)
CA000384267A 1980-10-17 1981-08-20 Dispersion equalized ring laser gyroscope Expired CA1189600A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19787080A 1980-10-17 1980-10-17
US197,870 1980-10-17

Publications (1)

Publication Number Publication Date
CA1189600A true CA1189600A (en) 1985-06-25

Family

ID=22731072

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000384267A Expired CA1189600A (en) 1980-10-17 1981-08-20 Dispersion equalized ring laser gyroscope

Country Status (7)

Country Link
JP (1) JPS5796581A (enrdf_load_html_response)
CA (1) CA1189600A (enrdf_load_html_response)
DE (1) DE3141175C2 (enrdf_load_html_response)
FR (1) FR2492522B1 (enrdf_load_html_response)
GB (2) GB2087638B (enrdf_load_html_response)
IT (1) IT1142901B (enrdf_load_html_response)
NL (1) NL8104726A (enrdf_load_html_response)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120839A (en) * 1982-05-19 1983-12-07 Raytheon Co Ring laser gyroscope
US4616930A (en) * 1983-04-20 1986-10-14 Litton Systems, Inc. Optically biased twin ring laser gyroscope
GB2184285B (en) * 1983-11-07 1990-08-01 Raytheon Co Ring laser gyroscope
US4652132A (en) * 1983-11-07 1987-03-24 Raytheon Company Optical power compensated ring laser gyroscope
US4578793A (en) * 1984-07-13 1986-03-25 The Board Of Trustees Of The Leland Stanford Junior University Solid-state non-planar internally reflecting ring laser
SE453258B (sv) * 1986-04-21 1988-01-25 Medinvent Sa Elastisk, sjelvexpanderande protes samt forfarande for dess framstellning
US5080487A (en) * 1986-11-06 1992-01-14 Litton Systems, Inc. Ring laser gyroscope with geometrically induced bias
US5386288A (en) * 1987-10-28 1995-01-31 Litton Systems, Inc. Split gain multimode ring laser gyroscope and method
US4969743A (en) * 1988-06-06 1990-11-13 Litton Systems, Inc. Faraday magnet for the reduction of multi-oscillator bias thermal sensitivity
US5469256A (en) * 1988-07-29 1995-11-21 Litton Systems, Inc. Multipole magnetic geometry for a ring laser gyroscope
US4960331A (en) * 1988-12-02 1990-10-02 Litton Systems, Inc. Faraday rotator assembly
GB2227879B (en) * 1989-02-03 1994-02-09 Ferranti Int Signal Multi-oscillator ring laser gyroscope
US5907402A (en) * 1990-02-12 1999-05-25 Martin; Graham J. Multioscillator ring laser gyro using compensated optical wedge
GB9412528D0 (en) * 1994-06-22 1994-08-10 Bt & D Technologies Ltd Packaged optical amplifier assembly
CN115727831B (zh) * 2022-11-11 2025-03-11 中国航空工业集团公司西安飞行自动控制研究所 一种激光陀螺减重腔体结构

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3744908A (en) * 1968-12-16 1973-07-10 Honeywell Inc Externally biased ring laser
FR2041638A5 (enrdf_load_html_response) * 1969-05-09 1971-01-29 Comp Generale Electricite
US3854819A (en) * 1971-03-03 1974-12-17 K Andringa Laser gyroscope
US3973851A (en) * 1973-03-29 1976-08-10 United Technologies Corporation Dispersion compensated laser gyro (U)
CA1077602A (en) * 1976-01-02 1980-05-13 Raytheon Company Electromagnetic wave ring resonator
US4141651A (en) * 1977-01-10 1979-02-27 Raytheon Company Laser gyroscope output optics structure
DE2821330A1 (de) * 1977-05-18 1978-11-30 Litton Systems Inc Ring-laser-gyroskop
CA1116279A (en) * 1978-01-03 1982-01-12 Terry A. Dorschner Laser gyroscope system
GB2017394B (en) * 1978-03-27 1982-06-23 Raytheon Co Laser gyroscope
JPS557523A (en) * 1978-06-29 1980-01-19 Sumitomo Metal Mining Co Ltd Production of silver peroxide
CA1136743A (en) * 1978-08-31 1982-11-30 Albert N. Zampiello Laser gyro oscillation suppression
US4213705A (en) * 1978-11-09 1980-07-22 Litton Systems, Inc. Four mode Zeeman laser gyroscope with minimum hole burning competition

Also Published As

Publication number Publication date
GB2138585A (en) 1984-10-24
GB2138585B (en) 1985-06-05
DE3141175C2 (de) 1994-03-10
GB2087638A (en) 1982-05-26
FR2492522A1 (fr) 1982-04-23
GB2087638B (en) 1984-12-05
JPS5796581A (en) 1982-06-15
DE3141175A1 (de) 1982-05-19
IT1142901B (it) 1986-10-15
FR2492522B1 (fr) 1985-07-19
IT8149504A0 (it) 1981-10-16
NL8104726A (nl) 1982-05-17
GB8333405D0 (en) 1984-01-25
JPH02870B2 (enrdf_load_html_response) 1990-01-09

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Legal Events

Date Code Title Description
MKEX Expiry