Abstract

A number of methods have been described in the past that use coded mask techniques for spectroscopy or 2-D imaging at IR and x-ray wavelengths. Mathematically, several types of perfect mask exist, and this paper presents a series of polynomials of the PN sequence variety that naturally form self-supporting structures. The masks do not use row and column transpositions and do not rely entirely on corner-to-corner contacts.

© 1981 Optical Society of America

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