Holographic optical elements fabrication

Boris S. Kiselyov; Andrei L. Mikaelian; Aleksandr N. Palagushkin; Vladimir A. Shkitin

doi:10.1117/12.195611

7 December 1994 Holographic optical elements fabrication

Boris S. Kiselyov, Andrei L. Mikaelian, Aleksandr N. Palagushkin, Vladimir A. Shkitin

Proceedings Volume 2430, Optical Memory & Neural Networks '94: Optical Neural Networks; (1994) https://doi.org/10.1117/12.195611
Event: Optical Memory and Neural Networks: International Conference, 1994, Moscow, Russian Federation

Abstract

The operation of multiplication of a vector by a multidimensional matrix is known to provide the basis for neural network algorithms. As a consequence the processor using such algorithms should repeatedly multiply the input data by matrix elements kept in the memory. The making of such a processor using traditional microelectronics technologies runs into the problem of realizing a parallel system of independent interconnects with specified weight coefficients. At the same time optical holographic methods are quite suitable by their nature for solving this problem because photons do not interact in propagation and the holographic means of representing information are associative, i.e., the information is not localized in the memory cells but distributed in the medium. The use of holographic optical elements (HOE) provides a means for solving this problem. HOEs were first proposed in and are designed for transforming wavefronts according to a predetermined law. In this paper the technology of manufacturing computer-generated HOEs by using electron-beam lithography is presented. HOEs made this way allow one to realize neural network algorithms with high accuracy.

Citation Download Citation

Boris S. Kiselyov, Andrei L. Mikaelian, Aleksandr N. Palagushkin, and Vladimir A. Shkitin "Holographic optical elements fabrication", Proc. SPIE 2430, Optical Memory & Neural Networks '94: Optical Neural Networks, (7 December 1994); https://doi.org/10.1117/12.195611

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