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21 October 2004 Basic enhancement of the global efficiency of frequency doubling devices for the one-micron continuous-wave Nd:YAG laser emission
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Proceedings Volume 5581, ROMOPTO 2003: Seventh Conference on Optics; (2004) https://doi.org/10.1117/12.582813
Event: ROMOPTO 2003: Seventh Conference on Optics, 2003, Constanta, Romania
Abstract
The possibility of basic enhancement of the global efficiency of frequency-doubling devices for the one-micron continuous-wave Nd lasers by direct pumping into the emitting level and by the use of concentrated laser materials is discussed. This possibility is demonstrated for 1.0 and 2.4-at.% Nd:YAG crystals pumped by a Ti:Sapphire laser at 885 nm. A slope efficiency of 0.79 in absorbed power was obtained for the 1064 nm emission of the 1-at.% Nd:YAG. The effect of enhancement of intracavity emission on the second harmonic emission is manifested in a drastically reduction of emission threshold and in an enhanced dependence on the absorbed power. The use of concentrated Nd:YAG crystals enables a better use of the pump power and increases the overall efficiency of the frequency-doubling devices.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Voicu Lupei, Nicolaie A. Pavel, and Takunori Taira "Basic enhancement of the global efficiency of frequency doubling devices for the one-micron continuous-wave Nd:YAG laser emission", Proc. SPIE 5581, ROMOPTO 2003: Seventh Conference on Optics, (21 October 2004); https://doi.org/10.1117/12.582813
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