Efficient generation of red light by frequency doubling in a periodically-poled nearly-stoichiometric LiTaO3 crystal

Hu, X. P.; Wang, X.; He, J. L.; Fan, Y. X.; Zhu, S. N.; Wang, H. T.; Wang, Y. Y.; Zhu, Y. Y.; Ming, N. B.
July 2004
Applied Physics Letters;7/12/2004, Vol. 85 Issue 2, p188
Academic Journal
An efficient generation of red light in a periodically-poled nearly-stoichiometric LiTaO3 (PPSLT) by extracavity single-pass frequency doubling of a diode-pumped, Q-switched Nd:YVO4 laser at 1342 nm was realized. An average power of 1.4 W of the 671 nm red light is obtained at the fundamental power of ∼2.8 W with the conversion efficiency of 50%. The high conversion efficiency and steady output of red light indicate that the thick PPSLT is a competitive candidate for frequency conversion in order to construct a compact all-solid-state red laser.


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