Nonlinear optical material

Details Nonlinear optical material Nonlinear optical material

1991-12-23

1993-04-13

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Nonlinear device

372 22, 359328, H01S 310

Patent

active

052028917

ABSTRACT:
Nonlinear optical materials having the general formula Ca.sub.1.40-X M.sub.X V.sub.0.98.+-.0.05 O.sub.4.00.+-.0.08 wherein X is 0.07 to 0.43 and M is selected from the group consisting of Bi, La, Ce, Y, Pm, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Sc, and mixtures thereof are described. Compositions satisfying this formula belong to the space group R3c wherein a=b=10.8.+-.0.1 .ANG., and c=38.0.+-.0.3 .ANG.. These NLO compositions are capable of doubling the frequency of light at about 0.1 to about 3.3 times the efficiency of KH.sub.2 PO.sub.4 (KDP). No damage to the NLO material is observed when they are exposed to high-power lasers.

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Pepper, et al., "The Photorefractive Effect," Scientific American, pp. 62-74 (Oct. 1990).
Stucky, et al., "The Potassium Titanyl Phosphate Structure Field: A Model for New Nonlinear Optical Materials," Chemistry of Materials 1:492-509 (1989).
Glass, "Materials for Photonic Switching and Information Processing," MRS Bulletin, pp. 16-20 (Aug. 1988).

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