ES2184703T3 - Dsipositivo optico para hacer simetricas las radiaciones de redes bidimensionales de diodos laser. - Google Patents

Dsipositivo optico para hacer simetricas las radiaciones de redes bidimensionales de diodos laser.

Info

Publication number
ES2184703T3
ES2184703T3 ES00912651T ES00912651T ES2184703T3 ES 2184703 T3 ES2184703 T3 ES 2184703T3 ES 00912651 T ES00912651 T ES 00912651T ES 00912651 T ES00912651 T ES 00912651T ES 2184703 T3 ES2184703 T3 ES 2184703T3
Authority
ES
Spain
Prior art keywords
laser diodes
different
beams
optical
radiation
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.)
Expired - Lifetime
Application number
ES00912651T
Other languages
English (en)
Inventor
Rolf Goring
Torsten Possner
Peter Schreiber
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.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Application granted granted Critical
Publication of ES2184703T3 publication Critical patent/ES2184703T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0052—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a laser diode
    • G02B19/0057—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a laser diode in the form of a laser diode array, e.g. laser diode bar
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only
    • G02B19/0014—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only at least one surface having optical power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0955—Lenses
    • G02B27/0966—Cylindrical lenses
    • 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
    • H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
    • 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
    • H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Semiconductor Lasers (AREA)

Abstract

Conjunto óptico para equilibrar la radiación de una multitud de diodos láser dispuestos en correspondencia fija en la dirección x los unos junto a los otros y superpuestos en la dirección y perpendicular a la anterior, cuya radiación de salida respectiva, con respecto a la dirección y y a la dirección x es asimétrica, especialmente para equilibrar la radiación de las barras de diodos láser apilados unos sobre otros formando un paquete de diodos láser, con una multitud de diodos láser dispuestos los unos junto a los otros en la dirección x y superpuestos en la dirección y perpendicular a la anterior, así como con varios sistemas ópticos de microlentes cilíndricas (2a, 2b, 2c) con isoplanasia suficiente, donde cada sistema óptico de microlente cilíndrica está asignado a otro conjunto ordenado lineal de diodos láser dispuestos unos junto a los otros en la dirección x, y que está basculado alrededor del eje óptico situado en la dirección z del correspondiente conjunto ordenado lineal de diodosláser, de manera que el sistema óptico de microcilindros colima los haces de rayos de salida de los distintos diodos láser del correspondiente conjunto ordenado lineal de diodos láser en la dirección y, desviándolos con diferente intensidad según su coordenada x, con lo cual se separan los haces de rayos de salida con respecto a la dirección y, donde además, a continuación de los sistemas ópticos de microlentes cilíndricas (2a, 2b, 2c) hay dispuesto un elemento director (3) que desvía los haces de rayos (8) de los distintos diodos láser dispuestos unos junto a otros en la dirección x, en dirección x con distintos ángulos de desviación cada uno, de tal manera que los centros de gravedad de los distintos haces de rayos (8) coincidan con una separación prefijada con relación a la dirección x, y desvíe la radiación de cada uno de los conjuntos ordenados de diodos láser lineales en la dirección y, de tal manera que los centros de gravedad de los haces de los emisores individuales superpuestos delas distintas barras coincidan con una separación prefijada con respecto a la dirección y, y donde con una separación, después del elemento director (3) está dispuesto un elemento de redirección (5), que vuelve a compensar en el plano xz los diferentes ángulos de desvío de los haces de rayos (8) introducidos por el elemento director (3).
ES00912651T 1999-03-31 2000-03-28 Dsipositivo optico para hacer simetricas las radiaciones de redes bidimensionales de diodos laser. Expired - Lifetime ES2184703T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19914755 1999-03-31

Publications (1)

Publication Number Publication Date
ES2184703T3 true ES2184703T3 (es) 2003-04-16

Family

ID=7903174

Family Applications (1)

Application Number Title Priority Date Filing Date
ES00912651T Expired - Lifetime ES2184703T3 (es) 1999-03-31 2000-03-28 Dsipositivo optico para hacer simetricas las radiaciones de redes bidimensionales de diodos laser.

Country Status (8)

Country Link
US (1) US6683727B1 (es)
EP (1) EP1166165B1 (es)
JP (1) JP2002541513A (es)
AT (1) ATE224066T1 (es)
CA (1) CA2368958A1 (es)
DE (2) DE10015245C2 (es)
ES (1) ES2184703T3 (es)
WO (1) WO2000060399A1 (es)

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Also Published As

Publication number Publication date
JP2002541513A (ja) 2002-12-03
EP1166165B1 (de) 2002-09-11
WO2000060399A1 (de) 2000-10-12
EP1166165A1 (de) 2002-01-02
CA2368958A1 (en) 2000-10-12
DE50000497D1 (de) 2002-10-17
DE10015245A1 (de) 2000-10-19
DE10015245C2 (de) 2002-01-03
US6683727B1 (en) 2004-01-27
ATE224066T1 (de) 2002-09-15

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