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Proceedings Paper

Two new nonlinear optical crystals: BaAl2B2O7 and K2Al2B2O7
Author(s): Ning Ye; Wenrong Zeng; Baichang Wu; Chuangtian Chen
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Paper Abstract

The new nonlinear optical crystals BaAl2B2O7 and K2Al2B2O7 are readily grown by top-seeded flux method. BaAl2B2O7 crystallizes in the rhombohedral space group R32 (Z equals 3) in a cell of dimensions a equals b equals 5.001 angstrom, c equals 24.378 angstrom and V equals 528.01 angstrom3. K2Al2B2O7 crystallizes in the trigonal space group P321 (Z equals 3) in a cell of dimensions a equals b equals 8.530 angstrom, c equals 8.409 angstrom and V equals 529.9(2)angstrom3. The theoretical calculations and the measurement of nonlinear optical effect indicates that the two crystals are phase-matchable with the nonlinear optical coefficient d11 equals 0.75 pm/V for BaAl2B2O7 and d11 equals 0.48 pm/V for K2Al2B2O7. The birefringence of BaAl2B2O7 is (Delta) n equals 0.063 and 0.068 for K2Al2B2O7.

Paper Details

Date Published: 14 August 1998
PDF: 3 pages
Proc. SPIE 3556, Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications II, (14 August 1998); doi: 10.1117/12.318263
Show Author Affiliations
Ning Ye, Fujian Institute of Research on the Structure of Matter (China)
Wenrong Zeng, Fujian Institute of Research on the Structure of Matter (China)
Baichang Wu, Fujian Institute of Research on the Structure of Matter (China)
Chuangtian Chen, Fujian Institute of Research on the Structure of Matter (China)


Published in SPIE Proceedings Vol. 3556:
Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications II
Chuangtian Chen, Editor(s)

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