27 October 1999 Influence of acoustic nonlinearity on the parameters of acousto-optic signal processors
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Abstract
The paper discusses the mechanism of cross-produce component generation connected with the acoustic parameters of the medium and acoustic power density for the fundamental frequencies. The expressions for the spatial distribution of harmonic components for the fundamental and cross-produce frequencies are given. The paper presents some experimental results of spatial distributions for the fundamental and higher acoustic harmonics for several widely used acousto- optic crystals under different power density levels of fundamental harmonic. Basing on these experimental data, are analyzed the variations of the spectrum spread function for the space-integrating acousto-optic spectrum analyzer and spatial optical distribution of cross-product components.
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Sergei V. Kulakov, Victor V. Kludzin, Victor V. Molotok, "Influence of acoustic nonlinearity on the parameters of acousto-optic signal processors", Proc. SPIE 3803, Materials and Devices for Photonic Circuits, (27 October 1999); doi: 10.1117/12.366754; https://doi.org/10.1117/12.366754
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KEYWORDS
Acoustics

Acousto-optics

Signal processing

Absorption

Spectrum analysis

Differential equations

Crystals

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