IL72284A0 - Method and apparatus for laser mode control - Google Patents

Method and apparatus for laser mode control

Info

Publication number
IL72284A0
IL72284A0 IL72284A IL7228484A IL72284A0 IL 72284 A0 IL72284 A0 IL 72284A0 IL 72284 A IL72284 A IL 72284A IL 7228484 A IL7228484 A IL 7228484A IL 72284 A0 IL72284 A0 IL 72284A0
Authority
IL
Israel
Prior art keywords
mode control
laser mode
laser
control
mode
Prior art date
Application number
IL72284A
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 IL72284A0 publication Critical patent/IL72284A0/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08Construction or shape of optical resonators or components thereof
    • H01S3/08059Constructional details of the reflector, e.g. shape
    • H01S3/08063Graded reflectivity, e.g. variable reflectivity mirror
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/58Turn-sensitive devices without moving masses
    • G01C19/64Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
    • G01C19/66Ring laser gyrometers
    • G01C19/661Ring laser gyrometers details
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/08Mirrors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/02Constructional details
    • H01S3/03Constructional details of gas laser discharge tubes

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Power Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gyroscopes (AREA)
  • Lasers (AREA)
  • Laser Surgery Devices (AREA)
  • Semiconductor Lasers (AREA)
IL72284A 1983-07-05 1984-07-03 Method and apparatus for laser mode control IL72284A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51060783A 1983-07-05 1983-07-05

Publications (1)

Publication Number Publication Date
IL72284A0 true IL72284A0 (en) 1984-11-30

Family

ID=24031428

Family Applications (1)

Application Number Title Priority Date Filing Date
IL72284A IL72284A0 (en) 1983-07-05 1984-07-03 Method and apparatus for laser mode control

Country Status (8)

Country Link
JP (1) JPS6042884A (en)
DE (1) DE3424446A1 (en)
FR (1) FR2548777A1 (en)
GB (1) GB2143076A (en)
IL (1) IL72284A0 (en)
IT (1) IT8448513A0 (en)
NO (1) NO842715L (en)
SE (1) SE8403548L (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4672625A (en) * 1984-03-30 1987-06-09 Spectra-Physics, Inc. Methods and apparatus for maximizing the power output of a gas laser
US4839903A (en) * 1985-06-27 1989-06-13 British Aerospace Public Limited Company Ring laser gyroscopes
GB8900799D0 (en) * 1989-01-14 1989-03-08 British Aerospace Modular rlg aperturing
FR2645262B1 (en) * 1989-03-30 1991-07-26 Salaberry Bernard De LIGHT BEAM POSITION MEASURING DEVICE FOR LASER GYROMETER
US5166949A (en) * 1990-12-20 1992-11-24 Northrop Corporation Method and apparatus for suppressing off-axis modes in laser and ring laser gyroscopes
FR2680415B1 (en) * 1991-12-17 1993-11-12 Applications Gles Elect Meca RING LASER GYROMETER WITH DIAPHRAGM.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3309621A (en) * 1963-06-24 1967-03-14 Hughes Aircraft Co Mode controlled laser
GB1262996A (en) * 1968-06-14 1972-02-09 Matsushita Electric Ind Co Ltd Maser tube of an infra-red maser system
JPS5015365B1 (en) * 1969-06-27 1975-06-04
CH526865A (en) * 1971-08-12 1972-08-15 Ibm laser
US4115004A (en) * 1976-11-15 1978-09-19 Litton Systems, Inc. Counterbalanced oscillating ring laser gyro
US4519708A (en) * 1981-05-20 1985-05-28 Raytheon Company Mode discrimination apparatus

Also Published As

Publication number Publication date
FR2548777A1 (en) 1985-01-11
NO842715L (en) 1985-01-07
IT8448513A0 (en) 1984-07-05
DE3424446A1 (en) 1985-01-24
SE8403548D0 (en) 1984-07-04
GB8416954D0 (en) 1984-08-08
GB2143076A (en) 1985-01-30
SE8403548L (en) 1985-01-06
JPS6042884A (en) 1985-03-07

Similar Documents

Publication Publication Date Title
GB2140942B (en) Sequence control method and apparatus
DE3465263D1 (en) Laser welding method and apparatus
DE3469569D1 (en) Method and apparatus for laser gear hardening
DE3380500D1 (en) Numerical control method and apparatus therefor
EP0317020A3 (en) Method and apparatus for path planning
EP0148504A3 (en) Method and apparatus for sputtering
GB8403398D0 (en) Facilities control method
GB8411256D0 (en) Facilities control method
GB2140183B (en) Method and apparatus for operating an assembly line
DE3479683D1 (en) Span adjusting method and apparatus
EP0101955A3 (en) Path control method and apparatus
DE3566966D1 (en) Method and apparatus for welding
DE3571953D1 (en) Method and apparatus for controlling the cutting of an object
EP0133903A3 (en) Display control method and display control apparatus
EP0349273A3 (en) Apparatus and method for relay control
AU571500B2 (en) Method and apparatus for checking patterns
IL76728A0 (en) Apparatus and method for laser drilling
GB2077010B (en) Microprogramme control method and apparatus therefor
DE3473620D1 (en) Yarn-feeding apparatus and method for controlling it
AU3556684A (en) Surface-fill method and apparatus
GB2140845B (en) Method and apparatus for constructing an enlarged tunnel
DE3479926D1 (en) Adaptive apparatus and method for control
DE3466765D1 (en) Method and apparatus for machining
DE3477899D1 (en) Weld line system and method for control
EP0182458A3 (en) Method and apparatus for time axis control