Dual-beam light-scattering tomography (LST) for detection of functional defects in nonlinear optical crystals

Tomoya Ogawa; Satoru Kawaai; Qiguang Tan; Nobuhito Nango

doi:10.1117/12.246225

16 August 1996 Dual-beam light-scattering tomography (LST) for detection of functional defects in nonlinear optical crystals

Tomoya Ogawa, Satoru Kawaai, Qiguang Tan, Nobuhito Nango

Author Affiliations +

Proceedings Volume 2873, International Symposium on Polarization Analysis and Applications to Device Technology; (1996) https://doi.org/10.1117/12.246225
Event: International Symposium on Polarization Analysis and Applications to Device Technology, 1996, Yokohama, Japan

Abstract

Optical nonlinearity is a very important and useful phenomenon for frequency up-conversion of laser beams and for heterodyne demodulation due to mixing of optical signals, which will be realized by high quality crystals with large conversion efficiency. Since one of the candidates is BBO (beta-BaB₂O₄) crystals, the light scattering from the crystals was detected by two vidicon systems under an IR laser beam scanning. Here, one of the systems is used for detection of the scattered IR rays due to defects and the other for the visible light, both of which will simultaneously acquire the scattered light intensities from the crystal.

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Tomoya Ogawa, Satoru Kawaai, Qiguang Tan, and Nobuhito Nango "Dual-beam light-scattering tomography (LST) for detection of functional defects in nonlinear optical crystals", Proc. SPIE 2873, International Symposium on Polarization Analysis and Applications to Device Technology, (16 August 1996); https://doi.org/10.1117/12.246225

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