Acoustical holography imaging device

Details Acoustical holography imaging device Acoustical holography imaging device

1975-01-08

1976-11-09

Queisser, Richard C.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

128 2V, 340 5H, G01N 2904

Patent

active

039902960

ABSTRACT:
An acoustical imaging system wherein an acoustic beam projected through a transmission medium is modified (scattered) by a subject therein and impinges upon one side of an acousto-optic interface. The other side of this interface is made concave and mirror-surfaced to reflect an illuminating laser beam. The acousto-optic interface is "composite," being fabricated from an epoxy matrix with a multitude of tiny spherular capsules, or "microballons" distributed therein to thereby match the acoustic impedance of this interface to that of the transmission medium.

REFERENCES:
patent: 3533056 (1970-10-01), Clark
patent: 3711823 (1973-01-01), Green
patent: 3745812 (1973-07-01), Korpel
patent: 3890829 (1975-06-01), Korpel

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