NDLI: Collinear acousto-optic filter on the base of paratellurite crystal

Content Provider	IEEE Xplore Digital Library
Author	Dobrolenskiy, Yu.S. Voloshinov, V.B. Parygin, V.N.
Copyright Year	2005
Description	Author affiliation: Fac. of Phys., M.V. Lomonosov Moscow State Univ., Russia (Dobrolenskiy, Yu.S.; Voloshinov, V.B.; Parygin, V.N.)
Abstract	The effect of collinear diffraction of a bounded optical beam by ultrasonic wave has been observed in paratellurite crystal in direction [110] that is forbidden for acousto-optic interaction in the case of plane waves. It has been found that the efficiency of the diffraction increases with the growth of the divergence of light. The dependences of the intensity of the diffracted light on acoustic amplitude and frequency have been also investigated. The ratio of the carrier frequency of the diffraction and the frequency bandwidth gives a resolution value R /spl sim/ 3000. A complicated transversal structure of the diffracted optical beam has been also examined in the paper. The carried out calculations showed that the decrease of ultrasound in TeO/sub 2/ crystal at the frequencies about 150 MHz influences strongly the parameters of the collinear diffraction. It results in the decrease of the efficiency of diffraction and in the broadening of the bandwidth of the device. The attenuation coefficient in paratellurite has been found experimentally.
Sponsorship	IEEE/LEOS Chapter, Ukraine Union Radio-Scietifique Internationale, URSI Comm. "D" IEEE AP/MTT/ED/AES/GRS/NPS/ EMB East Ukraine Joint Chapter European Office of Aerosp. Res. and Dev., AFOSR, AFRL US Army Int. Center - Atlantic, European Res. Office Office of Naval Res. Global
Starting Page	208
Ending Page	211
File Size	1829840
Page Count	4
File Format	PDF
ISBN	0780391306
DOI	10.1109/CAOL.2005.1553957
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-09-12
Publisher Place	Ukraine
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical filters Optical diffraction Ultrasonic imaging Optical attenuators Acoustic diffraction Bandwidth Frequency Acoustic beams Optical refraction Optical beams
Content Type	Text
Resource Type	Article

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