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Highly compact and efficient femtosecond Cr:LiSAF lasers

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6 Author(s)
J. -M. Hopkins ; Inst. of Photonics, Strathclyde Univ., Glasgow, UK ; G. J. Valentine ; B. Agate ; A. J. Kemp
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Methods for developing more compact femtosecond Cr:LiSAF laser sources are examined. By careful modeling of the low threshold performance and intracavity dispersion characteristics of these cavities, a highly asymmetric z-cavity design with a single prism for dispersion compensation is developed. Transform-limited pulses as short as 113 fs and modelocked output powers up to 20 mW are demonstrated for less than 110 mW of laser-diode pump power. The complete laser system (including the laser diode pump system and drivers) has a footprint of 21.5 × 28 cm2, about the size of a sheet of US letter or A4 paper

Published in:

IEEE Journal of Quantum Electronics  (Volume:38 ,  Issue: 4 )