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Room-Temperature Stable Generation of 19 Watts of Single-Frequency 532-nm Radiation in a Periodically Poled Lithium Tantalate Crystal

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7 Author(s)
Sinha, S. ; Raydiance Inc., Los Altos, CA ; Hum, D.S. ; Urbanek, K.E. ; Yin-wen Lee
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We report on a system that produces 19 W of diffraction-limited radiation at 532 nm through single-pass frequency doubling of the output of a 1064 nm Yb3+-doped fiber MOPA in a periodically poled near-stoichiometric lithium tantalate (PPSLT) crystal. The output of the system was stable at the 19 W level for over one hour with no signs of photorefraction. The green power is believed to be limited by infrared-induced thermal dephasing in the PPSLT crystal.

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Lightwave Technology, Journal of  (Volume:26 ,  Issue: 24 )