Detection panel and method for acoustic holography

Details Detection panel and method for acoustic holography Detection panel and method for acoustic holography

1987-12-28

1990-02-27

Tarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Acoustic image conversion

Acoustic holography

367 10, 73605, G03H 300

Patent

active

049052020

ABSTRACT:
A detection panel for acoustic holography with real time image reconstruction includes, a flat cell containing a mixture of nematic and cholesteric liquid crystals whose composition provides a refractive index which varies as a function of acoustic pressure. The cell has at least one acoustic window and at least one optical window.

REFERENCES:
patent: 4005032 (1977-01-01), Haas et al.
patent: 4651567 (1987-03-01), Sandhu
Chapter 12 of "Acoustical Holography", vol. 1, Published by Plenum Press, New York, 1969, Farrah et al.

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