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Nanosecond sum-frequency generating optical parametric oscillator using

Summary: Nanosecond sum-frequency generating
optical parametric oscillator using
simultaneous phase matching
Z. Gšurkan Figen and Orhan Aytšur
Department of Electrical and Electronics Engineering,
Bilkent University, Ankara, Turkey
Abstract: We report a nanosecond sum-frequency generating optical
parametric oscillator based on a single KTiOAsO4 crystal that is simultane-
ously phase matched for optical parametric generation and sum-frequency
generation. Pumped at a wavelength of 1064 nm by a Q-switched Nd:YAG
laser, this device produces 10.4-ns-long 8.3 mJ red pulses at a wavelength
of 627 nm with 21% energy conversion efficiency. This device provides a
simple and efficient method for converting high energy Nd:YAG lasers to a
red wavelength.
© 2005 Optical Society of America
OCIS codes: (190.2620) Frequency conversion; (190.4970) Parametric oscillators and am-
plifiers; (190.4360) Nonlinear optics, devices; (190.7220) Upconversion; (140.3530) Lasers,
neodymium; (140.3540) Lasers, Q-switched.
References and links


Source: Aytur, Orhan - Department of Electrical Engineering, Bilkent University


Collections: Engineering