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28 February 2006 100-megawatt power Q-switched Er-glass laser
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A very high energy Q-switched Er-glass laser is reported. We incorporated a rotating, resonant mirror/Porro-cavity reflector optical arrangement to achieve very high shutter speeds on the cavity Q of a laser designed for energetic, flashlamp-pumped, 600-μs, 1540-nm pulses. Reproducible 3.75-J, 35-ns, 1533-nm laser pulses were obtained at a repetition rate less than 1 minute. Our work shows that reliable, very high energy, Q-switched, Er-glass laser pulses at 1533 nm can be generated mechanically with no apparent damage to laser cavity components. We demonstrate the applications of this "eye safe" wavelength to energetic processes such as LIBS and materials processing. The laser could also serve as a new tool for bioeffects studies and targeting applications.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
John Taboada, John M. Taboada, David J. Stolarski, Justin J. Zohner, Lucas J. Chavey, Harvey M. Hodnett, Gary D. Noojin, Robert J. Thomas, Semih S. Kumru, and Clarence P. Cain "100-megawatt power Q-switched Er-glass laser", Proc. SPIE 6100, Solid State Lasers XV: Technology and Devices, 61000B (28 February 2006); doi: 10.1117/12.646552;

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