We characterize a 1064 nm pumped, 10 kHz semi-noncollinear PPLN-OPO. The PPLN-crystal had a parallel grating tilted by 60° to its x-axis. The OPO provides an efficiency of 35% and compared to a collinear PPLN-OPO an improved beamquality (M2 < 1.2) due to reduced backconversion.

© 2003 Optical Society of America

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