日本結晶成長学会誌
Online ISSN : 2187-8366
Print ISSN : 0385-6275
ISSN-L : 0385-6275
複屈折率制御可能な新しい非線形光学結晶GdYCOB結晶の開発
古屋 博之吉村 政志山田 逸成中尾 日六士森 勇介佐々木 孝友
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1998 年 25 巻 5 号 p. 193-199

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We have developed a new rare-earth calcium oxyborate crystal Gd_xY_<1-x>Ca_4O(BO_3)_3 (Gd_xY_<1-x>COB) in order to control the birefringence in nonlinear optical crystals. Gd_xY_<1-x>COB (0<x<1) crystals with uniform composition have been grown by the Czochralski method. The non-critical phase matching (NCPM) wavelength for second harmonic generation (SHG) has successfully been tuned in the range from 830 to 970 nm by changing the compositional parameter x. Furthermore, we have succeeded to generate NCPM third harmonic of Nd: YAG laser radiation (1064 nm)

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© 1998 日本結晶成長学会
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