Publication Date:
2011-08-16
Description:
The development of a system of ultrasonic holography is discussed. The limitations of the acousto-optical transformers, the scanning method, and the Pohlman cell are analyzed. The application of the free liquid surface deformation method is emphasized. The test equipment required for the liquid surface deformation method is described. An illustration of a typical test installation is provided.
Keywords:
INSTRUMENTATION AND PHOTOGRAPHY
Type:
The 4th Natl. Conf. on Acoustics, Vol. 2, B (NASA-TT-F-15663); p 1-6
Format:
text