IT1170828B - ANULAR LASER GYROSCOPE ACOUSTICALLY EXCITED - Google Patents

ANULAR LASER GYROSCOPE ACOUSTICALLY EXCITED

Info

Publication number
IT1170828B
IT1170828B IT48068/81A IT4806881A IT1170828B IT 1170828 B IT1170828 B IT 1170828B IT 48068/81 A IT48068/81 A IT 48068/81A IT 4806881 A IT4806881 A IT 4806881A IT 1170828 B IT1170828 B IT 1170828B
Authority
IT
Italy
Prior art keywords
anular
laser gyroscope
acoustically excited
acoustically
excited
Prior art date
Application number
IT48068/81A
Other languages
Italian (it)
Other versions
IT8148068A0 (en
Inventor
Virgil E Sanders
Dana Z Anderson
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 IT8148068A0 publication Critical patent/IT8148068A0/en
Application granted granted Critical
Publication of IT1170828B publication Critical patent/IT1170828B/en

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
    • H01S3/05—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
    • 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
    • G01C19/68—Lock-in prevention
    • G01C19/70—Lock-in prevention by mechanical means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gyroscopes (AREA)
  • Lasers (AREA)
IT48068/81A 1980-03-24 1981-03-20 ANULAR LASER GYROSCOPE ACOUSTICALLY EXCITED IT1170828B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13306880A 1980-03-24 1980-03-24

Publications (2)

Publication Number Publication Date
IT8148068A0 IT8148068A0 (en) 1981-03-20
IT1170828B true IT1170828B (en) 1987-06-03

Family

ID=22456863

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48068/81A IT1170828B (en) 1980-03-24 1981-03-20 ANULAR LASER GYROSCOPE ACOUSTICALLY EXCITED

Country Status (7)

Country Link
JP (1) JPS584476B2 (en)
CA (1) CA1154851A (en)
DE (2) DE3108624A1 (en)
FR (1) FR2478810B1 (en)
GB (1) GB2072936B (en)
IL (1) IL62178A (en)
IT (1) IT1170828B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5347360A (en) * 1982-08-27 1994-09-13 Ratheon Company Ring laser gyro
US4698823A (en) * 1984-09-12 1987-10-06 Litton Systems Inc. System for reducing the sensitivity of a ring laser gyro to changes in a magnetic field
DE19828319C2 (en) * 1998-06-25 2000-08-31 Daimler Chrysler Ag Method for operating a diode-pumped solid-state ring laser gyroscope and solid-state ring laser gyroscope
FR2854947B1 (en) * 2003-05-16 2005-07-01 Thales Sa SOLID STATE GYROLASER STABILIZED BY ACOUSTO-OPTICAL DEVICES
JP4857806B2 (en) * 2006-02-21 2012-01-18 シンフォニアテクノロジー株式会社 Gear noise measuring device
FR2905005B1 (en) * 2006-08-18 2008-09-26 Thales Sa SOLID STATE GYROLASER WITH MECHANICALLY ACTIVE GAIN MEDIUM.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2041638A5 (en) * 1969-05-09 1971-01-29 Comp Generale Electricite
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
FR2430598A1 (en) * 1978-07-03 1980-02-01 Litton Systems Inc Four-mode ring laser gyroscope - has reflecting mirror surfaces mounted on quartz block producing small incident angles

Also Published As

Publication number Publication date
DE8106441U1 (en) 1984-11-08
JPS584476B2 (en) 1983-01-26
GB2072936B (en) 1983-09-14
IL62178A (en) 1986-04-29
FR2478810B1 (en) 1985-07-05
GB2072936A (en) 1981-10-07
IT8148068A0 (en) 1981-03-20
JPS56150884A (en) 1981-11-21
DE3108624A1 (en) 1982-01-14
CA1154851A (en) 1983-10-04
FR2478810A1 (en) 1981-09-25

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