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Power scaling of a flashlamp-pumped Cr:LiSAF thin-slab zig-zag laser

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2 Author(s)
D. E. Klimek ; Textron Syst. Corp., Wilmington, MA, USA ; A. Mandl

We report on the power scaling of a flashlamp-pumped Cr:LiSrAlF6 thin-slab zig-zag laser operating at repetition rates up to 5 Hz. Average output power of 44 W with pulse energies of 8.8 J was achieved operating with a stable cavity. Excellent medium control was also obtained during this operation. Also demonstrated at 5 Hz was operation at energies ∼ 0.5 J in Q-switched mode with unstable optics and bandwidth control, beam quality < 1.5 XDL, bandwidth ∼ 1 GHz, and root-mean-square beam jitter of less than half of a diffraction limited far-field spot radius.

Published in:

IEEE Journal of Quantum Electronics  (Volume:38 ,  Issue: 12 )