IT1164049B - Laser anulare e risonatore ottico e procedimento di messa a punto lunghezza traiettoria - Google Patents

Laser anulare e risonatore ottico e procedimento di messa a punto lunghezza traiettoria

Info

Publication number
IT1164049B
IT1164049B IT50401/79A IT5040179A IT1164049B IT 1164049 B IT1164049 B IT 1164049B IT 50401/79 A IT50401/79 A IT 50401/79A IT 5040179 A IT5040179 A IT 5040179A IT 1164049 B IT1164049 B IT 1164049B
Authority
IT
Italy
Prior art keywords
optical resonator
setup procedure
trajectory length
annular laser
procedure trajectory
Prior art date
Application number
IT50401/79A
Other languages
English (en)
Other versions
IT7950401A0 (it
Inventor
David C Grant Jr
Thomas J Hutchings
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 IT7950401A0 publication Critical patent/IT7950401A0/it
Application granted granted Critical
Publication of IT1164049B publication Critical patent/IT1164049B/it

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
    • H01S3/05—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Plasma & Fusion (AREA)
  • Gyroscopes (AREA)
  • Lasers (AREA)
IT50401/79A 1978-10-02 1979-09-28 Laser anulare e risonatore ottico e procedimento di messa a punto lunghezza traiettoria IT1164049B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94735578A 1978-10-02 1978-10-02

Publications (2)

Publication Number Publication Date
IT7950401A0 IT7950401A0 (it) 1979-09-28
IT1164049B true IT1164049B (it) 1987-04-08

Family

ID=25486010

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50401/79A IT1164049B (it) 1978-10-02 1979-09-28 Laser anulare e risonatore ottico e procedimento di messa a punto lunghezza traiettoria

Country Status (9)

Country Link
JP (2) JPS584475B2 (it)
CA (1) CA1133615A (it)
CH (1) CH651157A5 (it)
DE (1) DE2939804A1 (it)
FR (1) FR2438357A1 (it)
GB (1) GB2032169B (it)
IL (1) IL57936A (it)
IT (1) IT1164049B (it)
SE (1) SE449664B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4519708A (en) * 1981-05-20 1985-05-28 Raytheon Company Mode discrimination apparatus
IL70499A (en) * 1982-12-27 1988-06-30 Litton Systems Inc Laser cathode
US4672623A (en) * 1985-08-16 1987-06-09 Honeywell Inc. Cathode construction for a laser
CN115764519B (zh) * 2022-11-11 2026-01-16 中国航空工业集团公司西安飞行自动控制研究所 一种氦-氖双波长激光器

Family Cites Families (7)

* 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
US3462708A (en) * 1966-11-29 1969-08-19 Sperry Rand Corp Ring laser having a piezoelectric reflector external to the closed loop to cancel a frequency modulation within the loop
US3503005A (en) * 1967-10-17 1970-03-24 Honeywell Inc Ring laser which is biased to permit two equal intensity transition frequencies to be generated in opposite directions
US3581227A (en) * 1968-04-18 1971-05-25 Honeywell Inc Adjustable, thin membrane mirror for use in the stabilization of ring lasers
US3824487A (en) * 1972-05-08 1974-07-16 United Aircraft Corp Unstable ring laser resonators
CA1085031A (en) * 1976-11-08 1980-09-02 Litton Systems, Inc. Laser gyro with phased dithered mirrors
US4115004A (en) * 1976-11-15 1978-09-19 Litton Systems, Inc. Counterbalanced oscillating ring laser gyro

Also Published As

Publication number Publication date
GB2032169A (en) 1980-04-30
JPS5821385A (ja) 1983-02-08
FR2438357B1 (it) 1984-02-17
CA1133615A (en) 1982-10-12
JPS5548989A (en) 1980-04-08
IL57936A (en) 1982-07-30
FR2438357A1 (fr) 1980-04-30
SE7908117L (sv) 1980-04-03
JPS5910078B2 (ja) 1984-03-06
IT7950401A0 (it) 1979-09-28
JPS584475B2 (ja) 1983-01-26
CH651157A5 (de) 1985-08-30
DE2939804A1 (de) 1980-04-10
SE449664B (sv) 1987-05-11
GB2032169B (en) 1982-09-22

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