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Nanosecond periodically poled lithium niobate optical parametric generator pumped at 532 nm by a single-frequency
U Bäder1, J P Meyn, J Bartschke
1Fachbereich Physik, Universität Kaiserslautern, Erwin-Schrödinger-Strasse 46, D-67663 Kaiserlautern, Germany.
Optics Letters
|December 15, 2007
Abstract:
We report an efficient, visible, nanosecond optical parametric generator of periodically poled lithium niobate pumped at 532 nm by a frequency-doubled, diode-pumped, passively Q -switched, single-mode Nd:YAG laser with 90-muJ pulse energy. The signal radiation is tunable from 637 to 593 nm. The maximum signal-conversion efficiency is 23%. Optical parametric amplification of a He-Ne laser at 632.8 nm is also studied.
