Random phase diffuser for reflective imaging

Details Random phase diffuser for reflective imaging Random phase diffuser for reflective imaging

1977-08-09

1979-05-08

Farley, Richard A.

Communications: electrical

Selective

340 5MP, 340 8MM, 310334, 73644, 181175, G01S 966

Patent

active

041538943

ABSTRACT:
Disclosed is a random phase diffuser which is inserted between a transducer and an insonification subject in accoustical imaging. The diffuser is comprised of an array of lossless elements which cause sound emitted by the transducer to be passed through and emitted with a phase value of 0.degree. or 180.degree.. Additionally disclosed is the combination of a random phase diffuser with a wedge coupling feature for increasing insonification efficiency.

REFERENCES:
patent: 3383631 (1968-05-01), Korpel
patent: 3419322 (1968-12-01), Adler
patent: 3461420 (1969-08-01), Silverman
patent: 3795801 (1974-03-01), Broussaud
patent: 3953822 (1976-04-01), Vilkomerson

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