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High power continuous-wave green light generation by quasiphase matching in Mg stoichiometric lithium tantalate

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3 Author(s)
Tovstonog, S.V. ; National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba-shi, Ibaraki 305-0044, Japan ; Kurimura, S. ; Kitamura, Kenji

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Single-pass second-harmonic generation of 7 W continuous wave of 542 nm radiation with 35.4% efficiency was achieved by quasiphase matching in periodically poled Mg-doped stoichiometric lithium tantalate at room temperature. The effects of laser beam quality and linewidth on the second-harmonic generation efficiency were investigated using a Yb-doped fiber laser.

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Applied Physics Letters  (Volume:90 ,  Issue: 5 )