Infrared two-dimensional acousto-optic time-integrating spectrum analyzer using a crystal of tellurium

Dominique Jacques Souilhac; Dominique Billerey

doi:10.1117/12.20553

1 October 1990 Infrared two-dimensional acousto-optic time-integrating spectrum analyzer using a crystal of tellurium

Dominique Jacques Souilhac, Dominique Billerey

Proceedings Volume 1276, CO2 Lasers and Applications II; (1990) https://doi.org/10.1117/12.20553
Event: The International Congress on Optical Science and Engineering, 1990, The Hague, Netherlands

Abstract

The results of a theoretical and simulated study of an infrared two dimensional time integrating spectrum analyser using a crystal of tellurium with infrared photorecievers time integration are presented. Spectrum analysis of the modulated input infrared laser radiation has been carried out with a very efficient single element two dimensional acoustooptic (2DAO) tellurium deflector. A simulated multifrequency spectrum analysis of radio signals has been performed. The frequency resolution can be scaled to cover a few hertz to tens of kilohertz. A minimum detectable input radio signal power at least two orders of magnitude higher, using Te as well as a wide banwidth can be obtained compared to other AO spectrum analysers which operate at lower wavelengths and utilize other materials than Te. Our previously reported experimental data is in good agreement with some of the simulated tests.

Citation Download Citation

Dominique Jacques Souilhac and Dominique Billerey "Infrared two-dimensional acousto-optic time-integrating spectrum analyzer using a crystal of tellurium", Proc. SPIE 1276, CO2 Lasers and Applications II, (1 October 1990); https://doi.org/10.1117/12.20553

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