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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 22 — Nov. 15, 2008
  • pp: 2692–2694

Microexternal cavity tapered lasers at 670 nm with 5 W peak power and nearly diffraction-limited beam quality

Tran Quoc Tien, Martin Maiwald, Bernd Sumpf, Götz Erbert, and Günther Tränkle  »View Author Affiliations

Optics Letters, Vol. 33, Issue 22, pp. 2692-2694 (2008)

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Wavelength-stabilized compact laser systems at 670 nm on a micro-optical bench are presented. The resonator concept consists of a tapered semiconductor gain medium and a reflection Bragg grating as a wavelength selective resonator mirror. In pulse operation mode with 100 ns pulses, an optical peak power of 5 W with a spectral width below 150 pm was achieved. Nearly diffraction-limited beam quality at optical output powers up to 1 W is obtained. Such laser systems can be used, e.g., for Raman spectroscopy and as pumping sources for frequency conversion toward UV spectral range.

© 2008 Optical Society of America

OCIS Codes
(050.7330) Diffraction and gratings : Volume gratings
(140.2020) Lasers and laser optics : Diode lasers
(230.3990) Optical devices : Micro-optical devices
(140.3295) Lasers and laser optics : Laser beam characterization
(140.3538) Lasers and laser optics : Lasers, pulsed

ToC Category:
Lasers and Laser Optics

Original Manuscript: September 18, 2008
Manuscript Accepted: September 29, 2008
Published: November 14, 2008

Tran Quoc Tien, Martin Maiwald, Bernd Sumpf, Götz Erbert, and Günther Tränkle, "Microexternal cavity tapered lasers at 670 nm with 5 W peak power and nearly diffraction-limited beam quality," Opt. Lett. 33, 2692-2694 (2008)

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