IT8448876A0 - FIBER OPTIC ROTATIONAL SPEED SENSOR WITH DIRECTIONAL COUPLER - Google Patents

FIBER OPTIC ROTATIONAL SPEED SENSOR WITH DIRECTIONAL COUPLER

Info

Publication number
IT8448876A0
IT8448876A0 IT8448876A IT4887684A IT8448876A0 IT 8448876 A0 IT8448876 A0 IT 8448876A0 IT 8448876 A IT8448876 A IT 8448876A IT 4887684 A IT4887684 A IT 4887684A IT 8448876 A0 IT8448876 A0 IT 8448876A0
Authority
IT
Italy
Prior art keywords
rotational speed
fiber optic
speed sensor
directional coupler
optic rotational
Prior art date
Application number
IT8448876A
Other languages
Italian (it)
Inventor
William S Brockett
James M Martin
Original Assignee
Martin Marietta 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 Martin Marietta Corp filed Critical Martin Marietta Corp
Publication of IT8448876A0 publication Critical patent/IT8448876A0/en

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
    • G01C19/725—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 nxn optical couplers, e.g. 3x3 couplers

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)
  • Light Guides In General And Applications Therefor (AREA)
  • Gyroscopes (AREA)
IT8448876A 1983-09-19 1984-09-19 FIBER OPTIC ROTATIONAL SPEED SENSOR WITH DIRECTIONAL COUPLER IT8448876A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US53318083A 1983-09-19 1983-09-19

Publications (1)

Publication Number Publication Date
IT8448876A0 true IT8448876A0 (en) 1984-09-19

Family

ID=24124830

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8448876A IT8448876A0 (en) 1983-09-19 1984-09-19 FIBER OPTIC ROTATIONAL SPEED SENSOR WITH DIRECTIONAL COUPLER

Country Status (4)

Country Link
FR (1) FR2633713A1 (en)
GB (1) GB8423024D0 (en)
IT (1) IT8448876A0 (en)
SE (1) SE8404633D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2631902B2 (en) * 1990-04-20 1997-07-16 日本航空電子工業 株式会社 Optical integrated circuit
DE4037118C1 (en) * 1990-11-22 1992-04-30 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De
US6130755A (en) 1999-02-22 2000-10-10 Litton Systems Inc. Fiber-optic gyro utilizing pseudorandom-bit-sequence light modulation

Also Published As

Publication number Publication date
GB8423024D0 (en) 2013-09-18
FR2633713A1 (en) 1990-01-05
SE8404633D0 (en) 1984-09-14

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