Abstract

Computer-produced holograms for scanners utilizing an auxiliary reflector have been constructed and demonstrated. Mathematic formalism for the calculation and detailed fabrication procedures are described. This method can be used for producing holograms for operation at any wavelengths whenever direct recording is not practical or inconvenient. This method is particularly suitable for producing holograms for 2-D scanners in the longer wavelengths, such as ir, far ir, mm, microwave, and ultrasonic waves. Simplicity in operation of the 2-D scanner will make real-tme imaging systems practical in the long-wavelength region.

© 1978 Optical Society of America

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