FR2086391B1 - - Google Patents

Info

Publication number
FR2086391B1
FR2086391B1 FR7114855A FR7114855A FR2086391B1 FR 2086391 B1 FR2086391 B1 FR 2086391B1 FR 7114855 A FR7114855 A FR 7114855A FR 7114855 A FR7114855 A FR 7114855A FR 2086391 B1 FR2086391 B1 FR 2086391B1
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.)
Expired
Application number
FR7114855A
Other languages
French (fr)
Other versions
FR2086391A1 (enExample
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.)
Union Carbide Corp
Original Assignee
Union Carbide 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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of FR2086391A1 publication Critical patent/FR2086391A1/fr
Application granted granted Critical
Publication of FR2086391B1 publication Critical patent/FR2086391B1/fr
Expired legal-status Critical Current

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
    • H01S3/082—Construction or shape of optical resonators or components thereof comprising three or more reflectors defining a plurality of resonators, e.g. for mode selection or suppression
    • 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
    • H01S2301/00—Functional characteristics
    • H01S2301/20—Lasers with a special output beam profile or cross-section, e.g. non-Gaussian
    • H01S2301/203—Lasers with a special output beam profile or cross-section, e.g. non-Gaussian with at least one hole in the intensity distribution, e.g. annular or doughnut mode
    • 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
    • H01S3/08018—Mode suppression
    • H01S3/0804—Transverse or lateral modes
    • H01S3/0805—Transverse or lateral modes by apertures, e.g. pin-holes or knife-edges
    • 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
    • H01S3/08059—Constructional details of the reflector, e.g. shape
    • H01S3/08068—Holes; Stepped surface; Special cross-section

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Holo Graphy (AREA)
FR7114855A 1970-04-27 1971-04-26 Expired FR2086391B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3197870A 1970-04-27 1970-04-27

Publications (2)

Publication Number Publication Date
FR2086391A1 FR2086391A1 (enExample) 1971-12-31
FR2086391B1 true FR2086391B1 (enExample) 1975-11-21

Family

ID=21862455

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7114855A Expired FR2086391B1 (enExample) 1970-04-27 1971-04-26

Country Status (4)

Country Link
US (1) US3663890A (enExample)
DE (1) DE2120429A1 (enExample)
FR (1) FR2086391B1 (enExample)
GB (1) GB1277720A (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE792829A (fr) * 1971-12-17 1973-03-30 Siemens Ag Dispositif pour devier, de facon controlee, des rayonnements optiques
US3739295A (en) * 1972-04-03 1973-06-12 Bell Telephone Labor Inc Laser with means for suppressing back-ground fluorescence in the output
US3879686A (en) * 1973-09-20 1975-04-22 Us Air Force Laser system for producing variable duration short pulses
US3866141A (en) * 1973-12-21 1975-02-11 Us Air Force Bandwidth-limited, cavity-dumped, laser system
US3969685A (en) * 1974-12-06 1976-07-13 United Technologies Corporation Enhanced radiation coupling from unstable laser resonators
DE3148904C2 (de) * 1981-12-10 1984-07-26 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Laserresonator
US4778238A (en) * 1985-08-01 1988-10-18 Hicks John W Optical communications systems and process for signal amplification using stimulated brillouin scattering (SBS) and laser utilized in the system
US4730886A (en) * 1985-08-06 1988-03-15 Hicks John W Fiber laser sensor
DE3639580A1 (de) * 1985-11-20 1987-05-21 Mitsubishi Electric Corp Laseranordnung
US4805185A (en) * 1986-03-04 1989-02-14 The United States Of America As Represented By The Secretary Of The Air Force Triple cavity laser
WO1989004502A1 (en) * 1987-11-09 1989-05-18 Hicks John W Fiber laser sensor
US5381439A (en) * 1993-06-14 1995-01-10 The United States Of America As Represented By The United States Department Of Energy Laser dividing apparatus
US6327090B1 (en) 1997-07-03 2001-12-04 Levelite Technology, Inc. Multiple laser beam generation
US20030126708A1 (en) * 1999-05-04 2003-07-10 Blum Ronald D. Remove tabs for tacky inserts of a floor mat
US6542304B2 (en) * 1999-05-17 2003-04-01 Toolz, Ltd. Laser beam device with apertured reflective element
US6647046B1 (en) 1999-11-23 2003-11-11 Corning Lasertron, Inc. Mode-selective facet layer for pump laser
US6563646B1 (en) 2001-12-28 2003-05-13 Trimble Navigation Limited Portable laser layout instrument

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1451774A (en) * 1923-04-17 Two-color photography
US3482184A (en) * 1965-07-19 1969-12-02 Sperry Rand Corp Laser device having multiple cavities that share a common active lasing material
US3426286A (en) * 1967-12-27 1969-02-04 Bell Telephone Labor Inc Multimode optical amplieier
US3573656A (en) * 1968-12-23 1971-04-06 Bell Telephone Labor Inc Laser oscillator with mode selector

Also Published As

Publication number Publication date
US3663890A (en) 1972-05-16
FR2086391A1 (enExample) 1971-12-31
DE2120429A1 (de) 1971-11-11
GB1277720A (en) 1972-06-14

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Legal Events

Date Code Title Description
ST Notification of lapse