Performance of acousto-optic devices in the presence of noise

Chen-Wen Tarn; Partha P. Banerjee; Jaw-Jueh Liu; Pawel Pliszka

doi:10.1117/12.131922

25 November 1992 Performance of acousto-optic devices in the presence of noise

Chen-Wen Tarn, Partha P. Banerjee, Jaw-Jueh Liu, Pawel Pliszka

Proceedings Volume 1844, Acousto-Optics and Applications; (1992) https://doi.org/10.1117/12.131922
Event: Acousto-Optics and Applications, 1992, Gdansk-Jurata, Poland

Abstract

The nature of the first moment ensemble averages of the scattered light fields from an acousto- optic (AO) device in the Bragg regime under the influence of noise is investigated. The intensity profile of the diffracted light at the output has coherent and incoherent contributions from the deterministic and random parts of the interaction impulse response. The light beam profile is distorted due to the imperfections in the sound profile resulting from the bonding between the transducer and the AO device, random sound scatterers, etc. We compute the dependence of the signal-to-noise ratio of the first order light on the mean square values of the distributions of the imperfections and scatterers. The dependence of the diffracted light on the optical imperfections in the AO interaction region is also discussed.

Citation Download Citation

Chen-Wen Tarn, Partha P. Banerjee, Jaw-Jueh Liu, and Pawel Pliszka "Performance of acousto-optic devices in the presence of noise", Proc. SPIE 1844, Acousto-Optics and Applications, (25 November 1992); https://doi.org/10.1117/12.131922

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