Dynamic spread function of high-speed acousto-optic filter at high diffraction efficiency

Anatoly S. Zadorin; Andrei S. Nemtchenko

doi:10.1117/12.320961

19 August 1998 Dynamic spread function of high-speed acousto-optic filter at high diffraction efficiency

Anatoly S. Zadorin, Andrei S. Nemtchenko

Proceedings Volume 3573, OPTIKA '98: 5th Congress on Modern Optics; (1998) https://doi.org/10.1117/12.320961
Event: OPTIKA '98: Fifth Congress on Modern Optics, 1998, Budapest, Hungary

Abstract

We developed a mathematical model of high-speed acoustooptic fiber, tunable by a linearly frequency modulated (LFM) signal at high efficiency of diffraction. It is shown that the dynamical dependence of the transmission coefficient of the filter is affected by the frequency tuning rate of the control LFM signal. This factor establishes the relation between filter spectral resolution and speed of operation. Formally, the relation is given by the filter transparency as a function of two arguments: time and tuning rate of the control signal. It is called the dynamical spread function (DSF). Analytical dependences are derived that govern the DSF shape in different regimes of non-collinear acoustooptic interaction.

Citation Download Citation

Anatoly S. Zadorin and Andrei S. Nemtchenko "Dynamic spread function of high-speed acousto-optic filter at high diffraction efficiency", Proc. SPIE 3573, OPTIKA '98: 5th Congress on Modern Optics, (19 August 1998); https://doi.org/10.1117/12.320961

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