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FR2585822B1 - THIN FILM LASER GYROSCOPE - Google Patents

THIN FILM LASER GYROSCOPE

Info

Publication number
FR2585822B1
FR2585822B1 FR8511733A FR8511733A FR2585822B1 FR 2585822 B1 FR2585822 B1 FR 2585822B1 FR 8511733 A FR8511733 A FR 8511733A FR 8511733 A FR8511733 A FR 8511733A FR 2585822 B1 FR2585822 B1 FR 2585822B1
Authority
FR
France
Prior art keywords
thin film
laser gyroscope
film laser
gyroscope
thin
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 - Lifetime
Application number
FR8511733A
Other languages
French (fr)
Other versions
FR2585822A1 (en
Inventor
Joseph P Segre
John R Haavisto
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 Corp
Original Assignee
Northrop Grumman Corp
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 Northrop Grumman Corp filed Critical Northrop Grumman Corp
Publication of FR2585822A1 publication Critical patent/FR2585822A1/en
Application granted granted Critical
Publication of FR2585822B1 publication Critical patent/FR2585822B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01C19/72—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers
    • G01C19/727—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers using a passive ring resonator

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gyroscopes (AREA)
  • Lasers (AREA)
FR8511733A 1985-08-01 1985-07-31 THIN FILM LASER GYROSCOPE Expired - Lifetime FR2585822B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8519397A GB2178526B (en) 1985-08-01 1985-08-01 Thin film passive ring resonator laser gyro

Publications (2)

Publication Number Publication Date
FR2585822A1 FR2585822A1 (en) 1987-02-06
FR2585822B1 true FR2585822B1 (en) 1990-03-02

Family

ID=10583185

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8511733A Expired - Lifetime FR2585822B1 (en) 1985-08-01 1985-07-31 THIN FILM LASER GYROSCOPE

Country Status (3)

Country Link
DE (1) DE3527274A1 (en)
FR (1) FR2585822B1 (en)
GB (1) GB2178526B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11274467A (en) * 1998-03-26 1999-10-08 Murata Mfg Co Ltd Optoelectronic integrated circuit device
JP2000022128A (en) 1998-07-06 2000-01-21 Murata Mfg Co Ltd Semiconductor light emitting device and optoelectronic integrated circuit device
US7106448B1 (en) * 2004-02-17 2006-09-12 Sandia Corporation Integrated resonant micro-optical gyroscope and method of fabrication

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2409518A1 (en) * 1977-11-22 1979-06-15 Thomson Csf LASER INTERFEROMETRIC GYROMETER
US4326803A (en) * 1979-09-20 1982-04-27 Northrop Corporation Thin film laser gyro
DE3001721A1 (en) * 1980-01-18 1981-07-23 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Measuring absolute rotation by sagnac effect - using light pulse modulation to reduce errors caused by light scattering
JPS5743485A (en) * 1980-08-13 1982-03-11 Agency Of Ind Science & Technol Semiconductor ring laser device
US4429573A (en) * 1982-06-29 1984-02-07 Walker Clifford G Common resonator passive laser accelerometer and gyro
US4514088A (en) * 1983-04-01 1985-04-30 The Charles Stark Draper Laboratory, Inc. Single-coupler guided-wave passive resonant-ring optical-gyro instrument
JPS6085312A (en) * 1983-10-17 1985-05-14 Hitachi Ltd Solid state interferometer

Also Published As

Publication number Publication date
GB2178526A (en) 1987-02-11
DE3527274A1 (en) 1987-02-05
GB2178526B (en) 1989-03-08
FR2585822A1 (en) 1987-02-06
GB8519397D0 (en) 1985-09-04

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Legal Events

Date Code Title Description
ST Notification of lapse
ST Notification of lapse
ST Notification of lapse