Acousto-optic filtering by pulses of short duration

Vladimir N. Parygin; Alex V. Vershoubskiy; K. A. Kholostov

doi:10.1117/12.364559

24 September 1999 Acousto-optic filtering by pulses of short duration

Vladimir N. Parygin, Alex V. Vershoubskiy, K. A. Kholostov

Proceedings Volume 3900, 3rd International Conference on Optical Information Processing; (1999) https://doi.org/10.1117/12.364559
Event: Third International Conference on Optical Information Processing, 1999, Moscow, Russian Federation

Abstract

The experimental investigation of the problem of collinear acousto-optic tunable filters driven by successive variable acoustic pulses is carried out. It is shown that in the case of acoustic pulse of a stepped from the substantial suppression of the transmission function side lobes can be observed. The influence of the acoustic pulses number situated in the crystal simultaneously and their duration on the collinear filter apparatus function was investigated. It is found that in this case the apparatus function consists of a number of a narrow peaks and the distance between them depend on the number of pulses in crystal, while the number of peaks depends on the each acoustic pulse duration. The investigation of spectrum consisting of tow close lines was carried out with a help of collinear acousto-optic tunable filter.

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Vladimir N. Parygin, Alex V. Vershoubskiy, and K. A. Kholostov "Acousto-optic filtering by pulses of short duration", Proc. SPIE 3900, 3rd International Conference on Optical Information Processing, (24 September 1999); https://doi.org/10.1117/12.364559

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KEYWORDS

Acoustics

Crystals

Acousto-optics

Optical filters

Picosecond phenomena

Filtering (signal processing)

Solids

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