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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 8, Iss. 8 — Aug. 1, 1969
  • pp: 1567–1576

Probing of Acoustic Surface Perturbations by Coherent Light

R. L. Whitman and A. Korpel  »View Author Affiliations


Applied Optics, Vol. 8, Issue 8, pp. 1567-1576 (1969)
http://dx.doi.org/10.1364/AO.8.001567


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Abstract

The need for sensitive methods of detection and visualization of acoustic surface perturbations has grown with the increasing interest in such fields as acoustic holography, ultrasonic surface wave devices, and acoustic trapped energy resonators. One very sensitive detection method utilizes a coherent light beam as a probe for locally measuring phase and amplitude of the acoustic field. Several variants of this technique are possible, based on measuring phase, deflection, wave front curvature, and spatial frequency content of the reflected beam. Each one of these variants may be combined with a scanning motion of the beam in order to visualize the entire sound field. This paper will attempt to survey the present state of the art and compare the different techniques on the basis of their sensitivity and applicability to specific requirements.

© 1969 Optical Society of America

History
Original Manuscript: March 31, 1969
Published: August 1, 1969

Citation
R. L. Whitman and A. Korpel, "Probing of Acoustic Surface Perturbations by Coherent Light," Appl. Opt. 8, 1567-1576 (1969)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-8-8-1567

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