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Continuous-wave and passively Q -switched cladding-pumped planar waveguide lasers

By R.J. Beach, S.C. Mitchell, H.E. Meissner, O.R. Meissner, W.F. Krupke, J.M. McMahon, W.J. Bennett and D.P. Shepherd

Abstract

Greater than 12W of average output power has been generated from a diode-pumped YbYAG cladding-pumped planar waveguide laser. The laser radiation developed is linearly polarized and diffraction limited in the guiding dimension. A slope efficiency of 0.5WW with a peak optical optical conversion efficiency of 0.31WW is achieved. In a related structure, greater than 8W of Q -switched average output power has been generated from a NdYAG cladding-pumped planar waveguide laser by incorporation of a Cr 4+ YAG passive Q switch monolithically into the waveguide structure. Pulse widths of 3ns and pulse-repetition frequencies as high as 80kHz have been demonstrated. A slope efficiency of 0.28WW with a peak optical optical conversion efficiency of 0.21WW is achieved

Topics: QC, TK
Year: 2001
OAI identifier: oai:eprints.soton.ac.uk:13718
Provided by: e-Prints Soton

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