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Proceedings Paper

Dynamic spread function of high-speed acousto-optic filter at high diffraction efficiency
Author(s): Anatoly S. Zadorin; Andrei S. Nemtchenko
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Paper 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.

Paper Details

Date Published: 19 August 1998
PDF: 4 pages
Proc. SPIE 3573, OPTIKA '98: 5th Congress on Modern Optics, (19 August 1998); doi: 10.1117/12.320961
Show Author Affiliations
Anatoly S. Zadorin, Tomsk State Univ. of Control Systems and Radioelectronics (Russia)
Andrei S. Nemtchenko, Tomsk State Univ. of Control Systems and Radioelectronics (Russia)


Published in SPIE Proceedings Vol. 3573:
OPTIKA '98: 5th Congress on Modern Optics

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