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Enhanced performance of thin-disk lasers by pumping into the zero-phonon line |
Optics Letters, Vol. 37, Issue 15, pp. 3045-3047 (2012)
http://dx.doi.org/10.1364/OL.37.003045
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Abstract
Pumping Yb:YAG or Yb:LuAG into the zero-phonon line at 969 nm instead of using the common pump wavelength of 940 nm reduces the heat generation by 32%. In addition to the 3% increase of the Stokes efficiency, this significantly reduces the diffraction losses caused by the thermally induced phase distortions leading to a remarkable increase of the overall efficiency especially of fundamental-mode thin-disk lasers. Using this pumping scheme in an Yb:LuAG thin-disk laser, we achieved 742 W of nearly diffraction limited (
© 2012 Optical Society of America
OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.6810) Lasers and laser optics : Thermal effects
(140.3615) Lasers and laser optics : Lasers, ytterbium
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: May 14, 2012
Manuscript Accepted: June 2, 2012
Published: July 16, 2012
Citation
Birgit Weichelt, Andreas Voss, Marwan Abdou Ahmed, and Thomas Graf, "Enhanced performance of thin-disk lasers by pumping into the zero-phonon line," Opt. Lett. 37, 3045-3047 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-15-3045
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