Two new nonlinear optical crystals: BaAl2B2O7 and K2Al2B2O7

Ning Ye; Wenrong Zeng; Baichang Wu; Chuangtian Chen

doi:10.1117/12.318263

14 August 1998 Two new nonlinear optical crystals: BaAl₂B₂O₇ and K₂Al₂B₂O₇

Ning Ye, Wenrong Zeng, Baichang Wu, Chuangtian Chen

Proceedings Volume 3556, Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications II; (1998) https://doi.org/10.1117/12.318263
Event: Photonics China '98, 1998, Beijing, China

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.

Citation Download Citation

Ning Ye, Wenrong Zeng, Baichang Wu, and Chuangtian Chen "Two new nonlinear optical crystals: BaAl₂B₂O₇ and K₂Al₂B₂O₇", Proc. SPIE 3556, Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications II, (14 August 1998); https://doi.org/10.1117/12.318263

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