Accession Number : ADD003912

Title :   Phase Compensated Zone Plate Photodetector.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Personal Author(s) : Shepherd,Freeman D , Jr ; Roosild,Sven A

Report Date : 05 Apr 1977

Pagination or Media Count : 4

Abstract : A radiation transparent base having a number of coincentric Fresnel rings mounted on one face, and one-quarter wavelength in thickness and a reflective coating covering the face and rings and a detector mounted on the opposite face to collect reflected in phase radiation. (Author)

Descriptors :   *Patents, *Photodetectors, Phase control

Subject Categories : Optics

Distribution Statement : APPROVED FOR PUBLIC RELEASE