GB2220098B - Ring laser gyroscope - Google Patents

Ring laser gyroscope

Info

Publication number
GB2220098B
GB2220098B GB8914321A GB8914321A GB2220098B GB 2220098 B GB2220098 B GB 2220098B GB 8914321 A GB8914321 A GB 8914321A GB 8914321 A GB8914321 A GB 8914321A GB 2220098 B GB2220098 B GB 2220098B
Authority
GB
United Kingdom
Prior art keywords
ring laser
laser gyroscope
gyroscope
ring
laser
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
Application number
GB8914321A
Other versions
GB2220098A (en
GB8914321D0 (en
Inventor
Tae W Hahn
Salim N Jabr
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.)
Northrop Grumman Guidance and Electronics Co Inc
Original Assignee
Litton Systems 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 Litton Systems Inc filed Critical Litton Systems Inc
Publication of GB8914321D0 publication Critical patent/GB8914321D0/en
Publication of GB2220098A publication Critical patent/GB2220098A/en
Application granted granted Critical
Publication of GB2220098B publication Critical patent/GB2220098B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/097—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser
    • H01S3/0975—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser using inductive or capacitive excitation
    • 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
    • G01C19/66—Ring laser gyrometers
    • G01C19/661—Ring laser gyrometers details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/02—Constructional details
    • H01S3/03—Constructional details of gas laser discharge tubes
    • H01S3/038—Electrodes, e.g. special shape, configuration or composition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
    • H01S3/083—Ring lasers
GB8914321A 1988-06-22 1989-06-22 Ring laser gyroscope Expired - Fee Related GB2220098B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21840588A 1988-06-22 1988-06-22

Publications (3)

Publication Number Publication Date
GB8914321D0 GB8914321D0 (en) 1989-08-09
GB2220098A GB2220098A (en) 1989-12-28
GB2220098B true GB2220098B (en) 1992-09-09

Family

ID=22814981

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8914321A Expired - Fee Related GB2220098B (en) 1988-06-22 1989-06-22 Ring laser gyroscope

Country Status (3)

Country Link
CA (1) CA1320557C (en)
FR (1) FR2633389B1 (en)
GB (1) GB2220098B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103674002B (en) * 2012-09-07 2016-06-22 中国航空工业第六一八研究所 A kind of faraday's alternation offset frequency two frequency laser gyro
CN103674003B (en) * 2012-09-07 2016-06-01 中国航空工业第六一八研究所 A kind of electromagnetic drive type shaking laser gyroscope mechanism

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3521119A (en) * 1968-01-10 1970-07-21 Rca Corp Rf excitation pumping of gas lasers by means of a wave guide and coupling coils
US3602837A (en) * 1970-03-31 1971-08-31 Us Army Method and apparatus for exciting an ion laser at microwave frequencies
US3614657A (en) * 1963-12-27 1971-10-19 Jeol Ltd Cylindrical plasma laser
US3772611A (en) * 1971-12-27 1973-11-13 Bell Telephone Labor Inc Waveguide gas laser devices
GB2180094A (en) * 1985-08-22 1987-03-18 English Electric Valve Co Ltd Discharge tube arrangements
GB2185846A (en) * 1986-01-24 1987-07-29 Ferranti Plc Ring laser
GB2194380A (en) * 1986-08-04 1988-03-02 Dr Jeremy Kenneth Arth Everard Laser plasma and optical resonator structures

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6381878A (en) * 1986-09-25 1988-04-12 Toshiba Corp Gas laser oscillator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614657A (en) * 1963-12-27 1971-10-19 Jeol Ltd Cylindrical plasma laser
US3521119A (en) * 1968-01-10 1970-07-21 Rca Corp Rf excitation pumping of gas lasers by means of a wave guide and coupling coils
US3602837A (en) * 1970-03-31 1971-08-31 Us Army Method and apparatus for exciting an ion laser at microwave frequencies
US3772611A (en) * 1971-12-27 1973-11-13 Bell Telephone Labor Inc Waveguide gas laser devices
GB2180094A (en) * 1985-08-22 1987-03-18 English Electric Valve Co Ltd Discharge tube arrangements
GB2185846A (en) * 1986-01-24 1987-07-29 Ferranti Plc Ring laser
GB2194380A (en) * 1986-08-04 1988-03-02 Dr Jeremy Kenneth Arth Everard Laser plasma and optical resonator structures

Also Published As

Publication number Publication date
GB2220098A (en) 1989-12-28
FR2633389A1 (en) 1989-12-29
GB8914321D0 (en) 1989-08-09
FR2633389B1 (en) 1992-10-16
CA1320557C (en) 1993-07-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950622