Increasing quality of computer-generated kinoforms using direct search with random trajectory method

Alyona P. Bondareva; Pavel A. Cheremkhin; Nikolay N. Evtikhiev; Vitaly V. Krasnov; Vladislav G. Rodin; Sergey N. Starikov

doi:10.1117/12.2061934

19 September 2014 Increasing quality of computer-generated kinoforms using direct search with random trajectory method

Alyona P. Bondareva, Pavel A. Cheremkhin, Nikolay N. Evtikhiev, Vitaly V. Krasnov, Vladislav G. Rodin, Sergey N. Starikov

Author Affiliations +

Proceedings Volume 9216, Optics and Photonics for Information Processing VIII; 92161J (2014) https://doi.org/10.1117/12.2061934
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

Method of increase of quality of computer generated kinoforms is proposed. It is simple direct search method similar to direct binary search method for binary holograms generation. Main difference is that proposed direct search with random trajectory method designed to process arrays with multiple phase levels. First, kinoform is generated with conventional method such as Gerchberg-Saxton. Then, elements of kinoform are sequentially switched to obtain lower normalized standard deviation (NSTD) of reconstructed image from desired image. This process goes on until minimum NSTD drop level is reached. Proposed method provides average NSTD decrease 26%.

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Alyona P. Bondareva, Pavel A. Cheremkhin, Nikolay N. Evtikhiev, Vitaly V. Krasnov, Vladislav G. Rodin, and Sergey N. Starikov "Increasing quality of computer-generated kinoforms using direct search with random trajectory method", Proc. SPIE 9216, Optics and Photonics for Information Processing VIII, 92161J (19 September 2014); https://doi.org/10.1117/12.2061934

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