Multi-Stage Acousto-Optic Modulator

D. R. Suhre

doi:10.1117/12.960225

18 February 1989 Multi-Stage Acousto-Optic Modulator

D. R. Suhre

Proceedings Volume 0999, Laser Radar III; (1989) https://doi.org/10.1117/12.960225
Event: O-E/Fiber LASE '88, 1988, Boston, MA, United States

Abstract

Bulk acousto-optic modulation was investigated as a technique for generating high bandwidth linear chirp waveforms for ladar applications. The high modulation bandwidth was achieved by cascading the Bragg cells, in which each cell produces only a fraction of the total bandwidth, and large optical beam diameters and high optical energies can be used. Both germanium and thallium arsenic selenide (TAS) were investigated as acousto-optic materials, and comparisons were made between the two materials. Cooled germanium was also studied as a means of lowering the acoustic attenuation, and the thermal conductivity of cryogenically cooled Ge was measured.

Citation Download Citation

D. R. Suhre "Multi-Stage Acousto-Optic Modulator", Proc. SPIE 0999, Laser Radar III, (18 February 1989); https://doi.org/10.1117/12.960225

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