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1 June 1992 Tunable diode laser-pumped Tm,Ho:YLF laser operated in continuous-wave and Q-switched modes
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Proceedings Volume 1627, Solid State Lasers III; (1992) https://doi.org/10.1117/12.60157
Event: OE/LASE '92, 1992, Los Angeles, CA, United States
Abstract
Tunable continuous-wave and pulsed laser output was obtained from a Tm-sensitized Ho:YLiF4 crystal at subambient temperatures when longitudinally pumped with a diode laser array. A conversion efficiency of 42 percent and slope efficiency of approximately 60 percent relative to the absorbed pumped power have been achieved at a crystal temperature of 275 K. The emission spectrum was etalon tunable over a range of 16/cm centered at 2067 nm with fine tuning capability of the transition frequency with crystal temperature at measured rate of -0.03/cm/K. Output energies of 0.22 mJ per pulse and 22 ns pulse duration were recorded at Q-switch frequencies that correspond to an effective upper laser level lifetime of 6 ms, and a pulse energy extraction efficiency of 64 percent.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Brendan T. McGuckin, Hamid Hemmati, and Robert T. Menzies "Tunable diode laser-pumped Tm,Ho:YLF laser operated in continuous-wave and Q-switched modes", Proc. SPIE 1627, Solid State Lasers III, (1 June 1992); https://doi.org/10.1117/12.60157
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