DE2704273A1 - Laser - Google Patents

Laser

Info

Publication number
DE2704273A1
DE2704273A1 DE19772704273 DE2704273A DE2704273A1 DE 2704273 A1 DE2704273 A1 DE 2704273A1 DE 19772704273 DE19772704273 DE 19772704273 DE 2704273 A DE2704273 A DE 2704273A DE 2704273 A1 DE2704273 A1 DE 2704273A1
Authority
DE
Germany
Prior art keywords
medium
laser
rays
different wavelengths
laser according
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.)
Withdrawn
Application number
DE19772704273
Other languages
German (de)
English (en)
Inventor
Ali Dr Iavan
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.)
Massachusetts Institute of Technology
Original Assignee
Massachusetts Institute of Technology
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 Massachusetts Institute of Technology filed Critical Massachusetts Institute of Technology
Publication of DE2704273A1 publication Critical patent/DE2704273A1/de
Withdrawn legal-status Critical Current

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
    • H01S3/10Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/10084Frequency control by seeding
    • H01S3/10092Coherent seed, e.g. injection locking
    • 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
    • H01S3/081Construction or shape of optical resonators or components thereof comprising three or more reflectors
    • H01S3/082Construction 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
    • H01S3/0823Construction 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 incorporating a dispersive element, e.g. a prism for wavelength selection
    • H01S3/0826Construction 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 incorporating a dispersive element, e.g. a prism for wavelength selection using a diffraction grating
    • 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
    • H01S3/08086Multiple-wavelength emission
    • H01S3/0809Two-wavelenghth emission
    • 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
    • H01S3/10Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/105Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
    • 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
    • H01S3/10Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/106Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
DE19772704273 1976-02-02 1977-02-02 Laser Withdrawn DE2704273A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US65410076A 1976-02-02 1976-02-02

Publications (1)

Publication Number Publication Date
DE2704273A1 true DE2704273A1 (de) 1977-08-04

Family

ID=24623432

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772704273 Withdrawn DE2704273A1 (de) 1976-02-02 1977-02-02 Laser

Country Status (4)

Country Link
CA (1) CA1071745A (enExample)
DE (1) DE2704273A1 (enExample)
FR (1) FR2339972A1 (enExample)
GB (1) GB1575033A (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2945219A1 (de) * 1979-11-09 1981-05-21 Tekade Felten & Guilleaume Anordnung zum uebertragen von nachrichten in lichtleitern
WO1981003551A1 (en) * 1980-05-28 1981-12-10 Optisk Forskning Inst Device for dividing a laser beam
US4490021A (en) * 1977-07-21 1984-12-25 Quantel S.A. Optical filtering element and a spectral refining device including the same
DE3343482A1 (de) * 1983-12-01 1985-06-13 Philips Patentverwaltung Gmbh, 2000 Hamburg Doppelresonator fuer einen halbleiterlaser
DE3730563C1 (en) * 1987-09-11 1989-03-30 Aesculap Ag Medical apparatus for cutting or coagulating tissues
DE4023571A1 (de) * 1990-07-25 1992-02-06 Uranit Gmbh Verfahren zur erzeugung von laserstrahlung mit anteilen verschiedener wellenlaengen synchronisierter und raeumlich ueberlappter strahlenausbreitung und mehrwellenlaengen co(pfeil abwaerts)2(pfeil abwaerts)-laser zur durchfuehrung des verfahrens

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4235518A (en) * 1978-10-04 1980-11-25 The United States Of America As Represented By The United States Department Of Energy High efficiency laser spectrum conditioner
FR2493053A1 (fr) * 1980-10-23 1982-04-30 Commissariat Energie Atomique Laser a plusieurs longueurs d'onde utilisant une roue tournante munie d'ouvertures

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3774121A (en) * 1971-12-13 1973-11-20 Bell Telephone Labor Inc Wavelength selective laser apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675154A (en) * 1970-10-01 1972-07-04 Bell Telephone Labor Inc Dispersion compensation in lasers
US3766488A (en) * 1971-06-17 1973-10-16 Bell Telephone Labor Inc Dye laser with pump cavity mode matched to laser resonator
US3872407A (en) * 1972-09-01 1975-03-18 Us Navy Rapidly tunable laser
US3928817A (en) * 1974-08-29 1975-12-23 Us Air Force Multiple-selected-line unstable resonator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3774121A (en) * 1971-12-13 1973-11-20 Bell Telephone Labor Inc Wavelength selective laser apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Appl. Phys. Lett., Vol. 23, Nr. 5, 1973, S. 249-251 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4490021A (en) * 1977-07-21 1984-12-25 Quantel S.A. Optical filtering element and a spectral refining device including the same
DE2945219A1 (de) * 1979-11-09 1981-05-21 Tekade Felten & Guilleaume Anordnung zum uebertragen von nachrichten in lichtleitern
WO1981003551A1 (en) * 1980-05-28 1981-12-10 Optisk Forskning Inst Device for dividing a laser beam
DE3343482A1 (de) * 1983-12-01 1985-06-13 Philips Patentverwaltung Gmbh, 2000 Hamburg Doppelresonator fuer einen halbleiterlaser
DE3730563C1 (en) * 1987-09-11 1989-03-30 Aesculap Ag Medical apparatus for cutting or coagulating tissues
DE4023571A1 (de) * 1990-07-25 1992-02-06 Uranit Gmbh Verfahren zur erzeugung von laserstrahlung mit anteilen verschiedener wellenlaengen synchronisierter und raeumlich ueberlappter strahlenausbreitung und mehrwellenlaengen co(pfeil abwaerts)2(pfeil abwaerts)-laser zur durchfuehrung des verfahrens

Also Published As

Publication number Publication date
FR2339972B1 (enExample) 1984-01-27
CA1071745A (en) 1980-02-12
GB1575033A (en) 1980-09-17
FR2339972A1 (fr) 1977-08-26

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8130 Withdrawal