Abstract

We demonstrate a dual-wavelength laser based on a new laser material—Nd, Gd:YSGG, or Nd:GYSGG for short—for the first time to our knowledge. Besides its attractive properties such as antiradiation, high segregation coefficient, etc., this kind of laser crystal also shows excellent laser performance. For continuous-wave operation, the maximum output power is 10.1W with the absorbed power of 18.45W at 808nm, corresponding to the slope efficiency of nearly 60%. The maximum single pulse energy and peak power reach 277μJ and 4.6kW (60ns) when the absorbed pump power is 11.4W for acousto-optic Q-switched operation.

© 2011 Optical Society of America

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