G - Physics – 02 – F
Patent
G - Physics
02
F
G02F 1/355 (2006.01) C30B 15/00 (2006.01) G02F 1/35 (2006.01) G02F 1/37 (2006.01) G02F 1/39 (2006.01) H01S 3/109 (2006.01)
Patent
CA 2188300
Crystals for non-linear optics are disclosed. The crystals are prepared by crystallising a congruent melting composition of general formula: M¿4?LnO(BO¿3?)¿3?, wherein M is Ca or Ca partially substituted by Sr or Ba, and Ln is a lanthanide from the group which includes Y, Gd, La and Lu. Said crystals are useful as frequency doublers and mixers, as an optical parametric oscillator or, when partially substituted by Nd?3+¿, as a frequency doubling laser.
L'invention concerne les cristaux pour l'optique non linéaire. Les cristaux, selon l'invention, sont obtenus par cristallisation d'une composition à fusion congruente de formule générale: M4LnO(BO3)3, dans laquelle: M est le Ca ou le Ca partiellement substitué par Sr ou Ba; Ln est l'un des lanthanides du groupe comprenant Y, Gd, La, Lu. Les cristaux, selon l'invention, sont utilisés comme doubleurs et mélangeurs de fréquence, comme oscillateur paramétrique optique ou, lorsqu'ils sont partiellement substitués par Nd3+, comme laser doubleur de fréquence.
Aka Gerard
Bloch Laurence
Godard Jean
Kahn-Harari Andree
Salin Francois
Crismatec
Goudreau Gage Dubuc
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