FR2023465A1 - - Google Patents

Info

Publication number
FR2023465A1
FR2023465A1 FR6939144A FR6939144A FR2023465A1 FR 2023465 A1 FR2023465 A1 FR 2023465A1 FR 6939144 A FR6939144 A FR 6939144A FR 6939144 A FR6939144 A FR 6939144A FR 2023465 A1 FR2023465 A1 FR 2023465A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6939144A
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.)
Nippon Selfoc Co Ltd
Original Assignee
Nippon Selfoc Co Ltd
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 Nippon Selfoc Co Ltd filed Critical Nippon Selfoc Co Ltd
Publication of FR2023465A1 publication Critical patent/FR2023465A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre 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
    • 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
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/0915—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light
    • H01S3/092—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of flash lamp
    • H01S3/093—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of flash lamp focusing or directing the excitation energy into the active medium

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Lasers (AREA)
  • Gyroscopes (AREA)
  • Laser Surgery Devices (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Radiation-Therapy Devices (AREA)
FR6939144A 1968-11-16 1969-11-14 Withdrawn FR2023465A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8368468A JPS497636B1 (fr) 1968-11-16 1968-11-16

Publications (1)

Publication Number Publication Date
FR2023465A1 true FR2023465A1 (fr) 1970-08-21

Family

ID=13809299

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6939144A Withdrawn FR2023465A1 (fr) 1968-11-16 1969-11-14

Country Status (5)

Country Link
JP (1) JPS497636B1 (fr)
DE (1) DE1955911C3 (fr)
FR (1) FR2023465A1 (fr)
GB (1) GB1269104A (fr)
NL (1) NL6917051A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007826A1 (fr) * 1978-07-10 1980-02-06 Thomson-Csf Gyromètre interférométrique à fibre optique

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039260A (en) * 1976-03-22 1977-08-02 Redman Charles M Rotational motion transducer
US4138196A (en) * 1977-07-06 1979-02-06 The United States Of America As Represented By The Secretary Of The Army Fiber interferometer rotary motion sensor
JPS568712A (en) * 1979-06-29 1981-01-29 Nissan Motor Co Ltd Heater unit structure in car air-conditioner
DE3533687A1 (de) * 1985-09-21 1987-03-26 Teldix Gmbh Einrichtung zur messung der drehgeschwindigkeit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007826A1 (fr) * 1978-07-10 1980-02-06 Thomson-Csf Gyromètre interférométrique à fibre optique
FR2431131A1 (fr) * 1978-07-10 1980-02-08 Thomson Csf Gyrometre interferometrique a fibre optique

Also Published As

Publication number Publication date
DE1955911C3 (de) 1974-04-04
DE1955911B2 (de) 1973-09-06
JPS497636B1 (fr) 1974-02-21
GB1269104A (en) 1972-04-06
NL6917051A (fr) 1970-05-20
DE1955911A1 (de) 1970-11-12

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Legal Events

Date Code Title Description
ST Notification of lapse