FR2593650B1 - LASER IN RING. - Google Patents

LASER IN RING.

Info

Publication number
FR2593650B1
FR2593650B1 FR8700428A FR8700428A FR2593650B1 FR 2593650 B1 FR2593650 B1 FR 2593650B1 FR 8700428 A FR8700428 A FR 8700428A FR 8700428 A FR8700428 A FR 8700428A FR 2593650 B1 FR2593650 B1 FR 2593650B1
Authority
FR
France
Prior art keywords
laser
ring
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
FR8700428A
Other languages
French (fr)
Other versions
FR2593650A1 (en
Inventor
William Gillies Mcnaught
Iain Edward Ross
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 Ferranti PLC filed Critical Ferranti PLC
Publication of FR2593650A1 publication Critical patent/FR2593650A1/en
Application granted granted Critical
Publication of FR2593650B1 publication Critical patent/FR2593650B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01C19/66—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
    • H01S3/09—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
    • 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
    • H01S3/0835—Gas ring lasers
FR8700428A 1986-01-24 1987-01-16 LASER IN RING. Expired - Fee Related FR2593650B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8601741A GB2185846B (en) 1986-01-24 1986-01-24 Ring laser

Publications (2)

Publication Number Publication Date
FR2593650A1 FR2593650A1 (en) 1987-07-31
FR2593650B1 true FR2593650B1 (en) 1993-08-13

Family

ID=10591887

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8700428A Expired - Fee Related FR2593650B1 (en) 1986-01-24 1987-01-16 LASER IN RING.

Country Status (5)

Country Link
JP (1) JPS62217683A (en)
CA (1) CA1309155C (en)
DE (1) DE3700844A1 (en)
FR (1) FR2593650B1 (en)
GB (1) GB2185846B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5196905A (en) * 1988-06-22 1993-03-23 Litton Systems, Inc. Radio frequency excited ring laser gyroscope
GB8728831D0 (en) * 1987-12-10 1988-01-27 British Aerospace Ring laser gyroscopes
GB8728829D0 (en) * 1987-12-10 1988-01-27 British Aerospace Ring laser gyroscopes
CA1320557C (en) * 1988-06-22 1993-07-20 Litton Systems, Inc. Radio frequency excited ring laser gyroscope
GB2227878B (en) * 1989-02-03 1992-04-22 Ferranti Int Signal Ring laser gyroscope
DE3905549A1 (en) * 1989-02-23 1990-08-30 Marinescu Marlene Gas-discharge arrangement
US5056102A (en) * 1989-05-15 1991-10-08 Honeywell Inc. Getter assembly
CA2022329C (en) * 1989-12-26 1995-03-28 Bruce C. Grover Dual helix rf discharge with single driver for ring laser gyroscope
DE4017188A1 (en) * 1990-05-29 1991-12-05 Bodenseewerk Geraetetech GAS RING LASER
DE4124407A1 (en) * 1991-07-23 1993-01-28 Wb Laser Wegmann Baasel Laser Ring laser with polygonal beam path in resonator - uses reflection and output mirrors and deflection elements with two or more mutually offset polygonal beam paths to achieve high output power
US5381436A (en) * 1993-05-28 1995-01-10 Honeywell, Inc. Ring laser gyro employing radio frequency for pumping of gain medium
US9759565B2 (en) 2015-01-15 2017-09-12 Honeywell International Inc. Radio frequency ring laser gyroscope including a multiple electrode system and an impedance matching circuit

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3390606A (en) * 1965-03-01 1968-07-02 Honeywell Inc Control apparatus
FR2041638A5 (en) * 1969-05-09 1971-01-29 Comp Generale Electricite
US3772611A (en) * 1971-12-27 1973-11-13 Bell Telephone Labor Inc Waveguide gas laser devices
GB1594047A (en) * 1978-05-31 1981-07-30 Litton Systems Inc Ring laser gyroscopes
JPS57186381A (en) * 1981-05-11 1982-11-16 Mitsubishi Electric Corp Silent discharge type laser
US4464760A (en) * 1982-04-20 1984-08-07 Sutter Jr Leroy V Elongated chambers for use in combination with a transversely excited gas laser
FR2530087B1 (en) * 1982-07-09 1986-02-14 Telecommunications Sa GAS WAVEGUIDE LASER GENERATOR AND METHOD FOR MANUFACTURING THE WAVEGUIDE
US4596018A (en) * 1983-10-07 1986-06-17 Minnesota Laser Corp. External electrode transverse high frequency gas discharge laser

Also Published As

Publication number Publication date
DE3700844A1 (en) 1987-07-30
FR2593650A1 (en) 1987-07-31
GB2185846A (en) 1987-07-29
JPS62217683A (en) 1987-09-25
GB2185846B (en) 1989-12-20
CA1309155C (en) 1992-10-20

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse