Cerium doped barium titanate single crystal, the process therefo

Details Cerium doped barium titanate single crystal, the process therefo Cerium doped barium titanate single crystal, the process therefo

1993-12-28

1996-07-30

Lee, John D.

Optical: systems and elements

Optical frequency converter

G02F 135

Patent

active

055417647

ABSTRACT:
The present invention relates to a doped barium titanate single crystal containing barium titanate as substrate and 5-250 ppm Ce, the process therefor and photorefractive devices made from the cerium doped barium titanate single crystal.

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patent: 3677718 (1972-07-01), Lawless
patent: 5057478 (1991-10-01), Abe et al.
patent: 5170268 (1992-12-01), Ewbank et al.
Guruswamy et al, "Self-Pumped Phase Conjugation In BaTiO3:Ce", Organization of O.S.A. Photonic Science Topical Meeting Series, vol. 14, pp. 420-422, Jul. 1991.
"Theoretical active impurity levels of iron, chromium, and managanese for photorefractive effects in barium titanate", P. Moretti, et al., J. Opt. Soc. Am. B, vol. 5, No. 8/Aug. 1988, pp. 1697-1701.
"High beam-coupling gain and deep- and shallow-trap effects in cobalt-doped barium titante, BaTiO.sub.3 :Co," M. H. Garrett, et al, J. Opt. Soc. Am. B, vol. 9, No. 8/Aug. 1992, pp. 1407-1415.
"Effect of Iron On The Photorefractive Properties of BaTiO.sub.3 Single Crystals," G. Godefroy, et al., 1986 (no month), 4 p. (Journal not named).
"Optical and Electrical Properties of Nb Doped BaTio.sub.3 Single Crystals Grown by the KF Flux Or The Pulling Method," P. Moretti, et al., Ferroelectrics, 1981, vol. 37, pp. 721-724 (no month).

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