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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 21 — Oct. 17, 2007
  • pp: 13930–13935

Quasi-two-level Yb:KYW laser with a volume Bragg grating

Jonas E. Hellström, Björn Jacobsson, Valdas Pasiskevicius, and Fredrik Laurell  »View Author Affiliations

Optics Express, Vol. 15, Issue 21, pp. 13930-13935 (2007)

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Using a volume Bragg grating as input coupler, we demonstrate an Yb:KYW laser with a very small quantum defect (1.6%) and an output power of 3.6 W. The laser was longitudinally diode-pumped at 982 nm and the laser wavelength was determined by the grating to 998 nm, with a laser bandwidth of 10 GHz (33 pm). Due to the low quantum defect, the laser should be readily scalable to 20 W or more without critical thermal effects.

© 2007 Optical Society of America

OCIS Codes
(050.7330) Diffraction and gratings : Volume gratings
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.6810) Lasers and laser optics : Thermal effects
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

Original Manuscript: August 28, 2007
Revised Manuscript: October 3, 2007
Manuscript Accepted: October 3, 2007
Published: October 8, 2007

Jonas E. Hellström, Björn Jacobsson, Valdas Pasiskevicius, and Fredrik Laurell, "Quasi-two-level Yb:KYW laser with a volume Bragg grating," Opt. Express 15, 13930-13935 (2007)

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