Acoustooptic technique of nondestructive quality control of crystals used in acoustoelectronics

Olga L. Balysheva; Victor V. Kludzin; Sergei V. Kulakov; Oleg V. Shakin

doi:10.3103/S0735272714110041

Authors

Olga L. Balysheva Saint Petersburg State University of Aerospace Instrumentation, Russian Federation
Victor V. Kludzin Saint Petersburg State University of Aerospace Instrumentation, Russian Federation
Sergei V. Kulakov Saint Petersburg State University of Aerospace Instrumentation, Russian Federation
Oleg V. Shakin Saint Petersburg State University of Aerospace Instrumentation, Russian Federation

DOI:

https://doi.org/10.3103/S0735272714110041

Keywords:

acoustoelectronics, acoustooptics, acoustooptic technique, nondestructive testing, crystals, Schlieren images technique, acoustic waves

Abstract

Acoustooptic modification of implementation of nondestructive crystals’ quality control technique is proposed. The potentials of the technique for the investigation of the properties of crystals used in acoustoelectronic devices are shown. Acoustooptic Schlieren images technique has been applied. Visualization of acoustic fields’ structure has allowed us to estimate the optical homogeneity of the material and to determine the spatial characteristics of the acoustic waves, the effects of divergence and deviation of propagation direction from the wave normal.

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