HUP0001761A2 - Nagy teljesítményű lézer - Google Patents

Nagy teljesítményű lézer

Info

Publication number
HUP0001761A2
HUP0001761A2 HU0001761A HUP0001761A HUP0001761A2 HU P0001761 A2 HUP0001761 A2 HU P0001761A2 HU 0001761 A HU0001761 A HU 0001761A HU P0001761 A HUP0001761 A HU P0001761A HU P0001761 A2 HUP0001761 A2 HU P0001761A2
Authority
HU
Hungary
Prior art keywords
space part
reflector
emission
mode
optical energy
Prior art date
Application number
HU0001761A
Other languages
English (en)
Inventor
Aram Mooradian
Original Assignee
Novalux, 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 Novalux, Inc. filed Critical Novalux, Inc.
Publication of HUP0001761A2 publication Critical patent/HUP0001761A2/hu
Publication of HUP0001761A3 publication Critical patent/HUP0001761A3/hu

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
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/106—Controlling 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
    • H01S3/108—Controlling 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 using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering
    • H01S3/109—Frequency multiplication, e.g. harmonic generation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; Circuits therefor
    • H01S5/0425—Electrodes, e.g. characterised by the structure
    • H01S5/04256—Electrodes, e.g. characterised by the structure characterised by the configuration
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
    • H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
    • H01S5/18308—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] having a special structure for lateral current or light confinement
    • 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
    • H01S2301/16—Semiconductor lasers with special structural design to influence the modes, e.g. specific multimode
    • H01S2301/166—Single transverse or lateral 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
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/102—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
    • H01S3/1022—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/041—Optical pumping
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/14—External cavity lasers
    • H01S5/141—External cavity lasers using a wavelength selective device, e.g. a grating or etalon
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
    • H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
    • H01S5/18386—Details of the emission surface for influencing the near- or far-field, e.g. a grating on the surface
    • H01S5/18394—Apertures, e.g. defined by the shape of the upper electrode

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • Plasma & Fusion (AREA)
  • Lasers (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

Abstract

A találmány tárgya nagy teljesítményű lézer. A találmány lényege abbanvan, hogy tartalmaz: - egy első reflektor (26) és egy második reflektor (30) közöttelhelyezkedő rezonáns üreget, amely rezonáns üreg egy alapüregmódusthatároz meg; - egy, a rezonáns üreg belsejében elhelyezett erősítőtartományt (22);és - egy, az erősítőtartományt (22) egy első térrész (44) belsejébengerjesztő energiaforrást, amely energiaforrás hatására optikaienergiaemisszió halad az erősítőtartományban (22) egy, azalapüregmódusra transzverzális irányban, a transzverzálisenergiaemisszió optikailag pumpálja az erősítőtartománynak (22) egy,az első térrész (44) felett elhelyezkedő második térrészét (46), amelyelső és második térrészek (44, 46) belsejében az energiaalapüregmódusban van csatolva. A találmány tárgya továbbá eljáráslézereszköz hatásfokának javítására. Az eljárás lényege abban van,hogy: egy első és egy második reflektort (26, 30) helyeznek el,amelyekkel a lézereszköz egy alap-emissziósmódusát határozzák meg; azelső reflektoron (26) egy első érintkezőt helyeznek el, és azzal alézereszköz egy aktív tartományában egy első térrészt (44) határolnak;az első érintkezőt villamosan gerjesztik, és azzal az első térrészben(44) optikai energiaemissziót gerjesztenek; az optikai energiát azaktív tartomány mentén az első térrészből (44) egy, az első térrésszelközvetlenül szomszédos második térrészbe (46) vezetik, és azzal amásodik térrészt (46) optikailag gerjesztik; és az első és másodikreflektorokat (26, 30) úgy helyezik el, hogy az optikaienergiaemissziót mind az első, mind a második térrészekben (44, 46) azalap-emissziósmódusban csatolják. Ó
HU0001761A 1997-03-21 1998-03-19 High power laser devices HUP0001761A3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US4118597P 1997-03-21 1997-03-21
US08/888,533 US6243407B1 (en) 1997-03-21 1997-07-07 High power laser devices
PCT/US1998/005472 WO1998043329A1 (en) 1997-03-21 1998-03-19 High power laser devices

Publications (2)

Publication Number Publication Date
HUP0001761A2 true HUP0001761A2 (hu) 2001-04-28
HUP0001761A3 HUP0001761A3 (en) 2003-01-28

Family

ID=26717895

Family Applications (1)

Application Number Title Priority Date Filing Date
HU0001761A HUP0001761A3 (en) 1997-03-21 1998-03-19 High power laser devices

Country Status (16)

Country Link
US (3) US6243407B1 (hu)
EP (1) EP0968552B1 (hu)
JP (2) JP4050328B2 (hu)
KR (1) KR100375850B1 (hu)
AT (1) ATE409362T1 (hu)
AU (1) AU732161B2 (hu)
BR (1) BR9808393A (hu)
CA (1) CA2284225C (hu)
CZ (1) CZ290895B6 (hu)
DE (1) DE69840043D1 (hu)
HU (1) HUP0001761A3 (hu)
IL (1) IL131977A (hu)
NZ (1) NZ337874A (hu)
PL (1) PL335834A1 (hu)
RU (1) RU2190910C2 (hu)
WO (1) WO1998043329A1 (hu)

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US6404797B1 (en) 2002-06-11
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