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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 15 — May. 20, 2006
  • pp: 3545–3547

High cw power using an external cavity for spectral beam combining of diode laser-bar emission

Andreas Jechow, Volker Raab, and Ralf Menzel  »View Author Affiliations


Applied Optics, Vol. 45, Issue 15, pp. 3545-3547 (2006)
http://dx.doi.org/10.1364/AO.45.003545


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Abstract

In extension to known concepts of wavelength-multiplexing diode laser arrays, a new external cavity is presented. The setup simultaneously improves the beam quality of each single emitter of a standard 25 emitter broad-area stripe laser bar and spectrally superimposes the 25 beams into one. By using this external resonator in an “off-axis” arrangement, beam qualities of M slow                 2 < 14 and M fast               2 < 3 with optical powers in excess of 10   W in cw operation are obtained.

© 2006 Optical Society of America

OCIS Codes
(140.2010) Lasers and laser optics : Diode laser arrays
(140.2020) Lasers and laser optics : Diode lasers
(140.3290) Lasers and laser optics : Laser arrays
(140.3300) Lasers and laser optics : Laser beam shaping
(140.3410) Lasers and laser optics : Laser resonators

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: August 11, 2005
Revised Manuscript: December 15, 2005
Manuscript Accepted: December 16, 2005

Citation
Andreas Jechow, Volker Raab, and Ralf Menzel, "High cw power using an external cavity for spectral beam combining of diode laser-bar emission," Appl. Opt. 45, 3545-3547 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-15-3545

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