High-performance acousto-optic materials: Hg2Cl2 and PbBr2

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

doi:10.1117/12.58879

1 October 1992 High-performance acousto-optic materials: Hg₂Cl₂ and PbBr₂

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

Author Affiliations +

Optical Engineering, Vol. 31, Issue 10, (October 1992). https://doi.org/10.1117/12.58879

Abstract

New results achieved with recently grown Hg₂Cl₂ and PbBr₂ crystals are described. With an optimized crystal growth technique Hg₂Cl₂ crystals were grown that show a significantly reduced acoustic attenuation compared to prior crystals, from 13.4 to 8 dB/μs-GHz². These crystals allow the development of Hg₂Cl₂ Bragg cells with time-bandwidth product figures in the 5100 to 6900 range, frequency operation as high as that for Te02, and resolution about 25% higher than TeO₂ for similar crystal lengths. PbBr₂ crystals were also grown that exhibit a large figure of merit (M₂ 550) with an attenuation coefficient of 12 dB/μs-GHz². This material may be the choice for infrared devices where large diffraction efficienciesare needed.

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Milton S. Gottlieb, Anastasios P. Goutzoulis, and N. B. Singh "High-performance acousto-optic materials: Hg₂Cl₂ and PbBr₂," Optical Engineering 31(10), (1 October 1992). https://doi.org/10.1117/12.58879

Published: 1 October 1992

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