Abstract
Phase reflection diffusers based on integer sequences are, unfortunately, limited in their frequency response. The purpose of this paper is to present an alternative form of diffusion structure using noninteger sequence based phase reflection gratings. This paper will present a new method of generating such diffusers based on Huffman sequences. The theory, design, advantages, and limitations of these structures will be discussed and simulation results of their performance will be presented. In particular, their independence from the frequency response effects typical of integer based sequences. Methods of extending and improving their performance will also be suggested. Methods of construction will also be discussed. The paper will show that it is possible to develop diffusing structures which have a better frequency performance than conventional phase reflecting structures.
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