Melt growth of a new nonlinear optical organic crystal triethylphosphine sulfide using modified Bridgman-Stockbarger technique

Kenya Curry; Mohan D. Aggarwal; Jaeho Choi; Wen Shan Wang; Ravindra B. Lal; Benjamin G. Penn; Donald O. Frazier

doi:10.1117/12.351422

28 June 1999 Melt growth of a new nonlinear optical organic crystal triethylphosphine sulfide using modified Bridgman-Stockbarger technique

Kenya Curry, Mohan D. Aggarwal, Jaeho Choi, Wen Shan Wang, Ravindra B. Lal, Benjamin G. Penn, Donald O. Frazier

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Proceedings Volume 3793, Operational Characteristics and Crystal Growth of Nonlinear Optical Materials; (1999) https://doi.org/10.1117/12.351422
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

Triethylphosphine sulfide, [C₂H₅]₃ P(S) (abbreviated as TPS), seems to be a potential nonlinear optical organic material. Bulk single crystals of this material were grown using modified Bridgman-Stockbarger method. Commercially available triethylphosphine sulfide, procured from Johnson Matthey, was purified by physical vapor transport using low pressure sublimation (approximately 30 mTorr). The growth conditions are being optimized. The temperature gradient was chosen to be 6 - 8°C/cm, and the ampoule lowering rate was chosen to be 0.2 - 0.4 mm/hr and cooling rate after the crystal growth run was 5 - 10°C/day. Several TPS single crystals with size 10x10x15 mm³ have been grown. The second harmonic generation was measured qualitatively and has been found to be comparable to phase matched potassium dihydrogen phosphate.

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Kenya Curry, Mohan D. Aggarwal, Jaeho Choi, Wen Shan Wang, Ravindra B. Lal, Benjamin G. Penn, and Donald O. Frazier "Melt growth of a new nonlinear optical organic crystal triethylphosphine sulfide using modified Bridgman-Stockbarger technique", Proc. SPIE 3793, Operational Characteristics and Crystal Growth of Nonlinear Optical Materials, (28 June 1999); https://doi.org/10.1117/12.351422

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KEYWORDS

Crystals

Nonlinear crystals

Interfaces

Harmonic generation

Nonlinear optics

Crystal optics

Potassium

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