Optical: systems and elements – Optical frequency converter
Patent
1997-09-19
1999-09-28
Lee, John D.
Optical: systems and elements
Optical frequency converter
252584, G02F 135
Patent
active
059597658
ABSTRACT:
An optical wavelength conversion element is formed of a ferroelectric material which has a nonlinear optical effect, and is provided with periodic domain reversals arranged in one direction and converts the wavelength of a fundamental wave impinging thereupon in the direction in which the periodic domain reversals are arranged. The ferroelectric material is LiNb.sub.x Ta.sub.1-x O.sub.3 (0.ltoreq..times..ltoreq.1) doped with at least one of Zn, Sc and In.
REFERENCES:
patent: 5274727 (1993-12-01), Ito et al.
patent: 5614129 (1997-03-01), Hofmeister et al.
patent: 5838486 (1998-11-01), Sonoda et al.
Nakamura Takashi
Yamada Takashi
Fuji Photo Film Co. , Ltd.
Lee John D.
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