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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 7 — Mar. 1, 2009
  • pp: C55–C66

Acousto-optic investigation of propagation and reflection of acoustic waves in paratellurite crystal

Vitaly B. Voloshinov and Nataliya V. Polikarpova  »View Author Affiliations


Applied Optics, Vol. 48, Issue 7, pp. C55-C66 (2009)
http://dx.doi.org/10.1364/AO.48.000C55


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Abstract

The paper presents results on acousto-optic investigation of unusual acoustic phenomena taking place in crystals possessing strong anisotropy of elastic properties. Advantages of the applied method of analysis are demonstrated by the example of the commonly used acousto-optic material tellurium dioxide. The major goal of the research consists of experimental verification of theoretical conclusions related to peculiar cases of acoustic propagation and reflection recently observed in the crystalline material. In particular, the case of glancing incidence and the following reflection of elastic energy from a free boundary separating the paratellurite crystal and the vacuum is examined in the paper. It is shown in the acousto-optic experiment that, in the case of glancing incidence, energy flow of a reflected acoustic wave may propagate practically in a reverse direction with respect to an incident wave. It is also proved that strong elastic anisotropy of the crystal is responsible for the unusual propagation and reflection of the acoustic waves. The research confirms the conclusion that the examined acoustic effects may be useful in development of new acousto-optic devices.

© 2008 Optical Society of America

OCIS Codes
(120.2440) Instrumentation, measurement, and metrology : Filters
(160.1050) Materials : Acousto-optical materials
(170.7180) Medical optics and biotechnology : Ultrasound diagnostics
(230.1040) Optical devices : Acousto-optical devices
(170.1065) Medical optics and biotechnology : Acousto-optics

History
Original Manuscript: July 22, 2008
Revised Manuscript: October 8, 2008
Manuscript Accepted: October 8, 2008
Published: November 19, 2008

Citation
Vitaly B. Voloshinov and Nataliya V. Polikarpova, "Acousto-optic investigation of propagation and reflection of acoustic waves in paratellurite crystal," Appl. Opt. 48, C55-C66 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-7-C55

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