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Proceedings Paper

KNB (KNbB2O6) and its isomorphs: a new family of nonlinear optical materials
Author(s): John F. Nicholls; Bruce H. T. Chai; Deborah L. Corker; Joseph C. Calabrese; B. Henderson
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Paper Abstract

The new crystal KNB (KNbB2O6) has been discovered and the XYB2O6 family of isomorphs (where X equals Cs, Rb, K, Y equals Nb or Ta) has been identified as a potential structure for non-linear optical applications. KNB was grown using a resistance heated TSSG scheme in an excess of B2O3 and K2O. It was found that KNB has orthorhombic symmetry with space group Pna21, unit cell parameters a equals 31.236(4), b equals 7.315(2), c equals 9.210(4) angstroms, and is isostructural with RNB (RbNbB2O6), which was also grown. The non-linear properties of both members were assessed and discussions are presented on the origin of the non-linearity in this family of compounds.

Paper Details

Date Published: 21 July 1993
PDF: 6 pages
Proc. SPIE 1863, Growth, Characterization, and Applications of Laser Host and Nonlinear Crystals II, (21 July 1993); doi: 10.1117/12.149261
Show Author Affiliations
John F. Nicholls, Univ. of Strathclyde (United Kingdom)
Bruce H. T. Chai, CREOL/Univ. of Central Florida (United States)
Deborah L. Corker, Univ. of Oxford (United Kingdom)
Joseph C. Calabrese, E.I. du Pont de Nemours & Co., Inc. (United States)
B. Henderson, Univ. of Strathclyde (United Kingdom)


Published in SPIE Proceedings Vol. 1863:
Growth, Characterization, and Applications of Laser Host and Nonlinear Crystals II
Bruce H. T. Chai, Editor(s)

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