Browsing by Subject "Upconversion"

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    Nanosecond sum-frequency generating optical parametric oscillator using simultaneous phase matching
    (Optical Society of American (OSA), 2005) Figen, Z.G.; Aytür O.
    We report a nanosecond sum-frequency generating optical parametric oscillator based on a single KTiOAsO4 crystal that is simultaneously 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.