High-performance acousto-optic materials: Hg2Cl2 and PbBr2

Anastasios P. Goutzoulis; Milton S. Gottlieb; N. B. Singh

doi:10.1117/12.139892

24 August 1992 High-performance acousto-optic materials: Hg₂Cl₂ and PbBr₂

Anastasios P. Goutzoulis, Milton S. Gottlieb, N. B. Singh

Proceedings Volume 1704, Advances in Optical Information Processing V; (1992) https://doi.org/10.1117/12.139892
Event: Aerospace Sensing, 1992, Orlando, FL, United States

Abstract

Some important results recently achieved with in-house grown high-quality, high-performance Hg₂Cl₂ and PbBr₂ are described. Using an optimized crystal growth technique we have grown Hg₂Cl₂ crystals that show a significantly reduced acoustic attenuation from 13.4 to 8 dB/microsecond(s) -GHz². These crystals allow the development of Hg₂Cl₂ Bragg cells with TBWP figures in the 5,100 - 6,900 range, frequency operation as high as TeO₂ and resolution about 123% higher than TeO₂ for practically similar crystal lengths. We have also grown for the first time long, high-quality PbBr₂ crystals which exhibit a large figure of merit (M₂ equals 550) with a modest attenuation figure of 12 dB/microsecond(s) -GHz². This material may be the choice for devices where large diffraction efficiencies are needed.

Citation Download Citation

Anastasios P. Goutzoulis, Milton S. Gottlieb, and N. B. Singh "High-performance acousto-optic materials: Hg₂Cl₂ and PbBr₂", Proc. SPIE 1704, Advances in Optical Information Processing V, (24 August 1992); https://doi.org/10.1117/12.139892

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