Title :
High-aspect-ratio periodical twin structure for QPM SHG in quartz
Author :
Yamada, Tsuyoshi ; Hayashi, Ken-ichi ; Kurimura, Sunao ; Yu, Nan Ei ; Kitamura, Kenji ; Fejer, Martin M.
Author_Institution :
Nidek Co. Ltd., Gamagori, Japan
Abstract :
We demonstrate periodic twins propagating with high aspect ratio of 11:2:1 and 3rd- and 2nd-order QPM SHG of a Nd:YAG laser The normalized conversion efficiency is 0.63 %/W/cm/sup 2/ in 2nd-order QPM with 4.9 nsec pulsewidth.
Keywords :
optical harmonic generation; optical materials; optical phase matching; quartz; twinning; 2nd-order QPM SHG; 3rd-order QPM SHG; 4.9 ns; Nd:YAG laser; YAG:Nd; YAl5O12:Nd; normalized conversion efficiency; periodical twin structure; quartz;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6
