Electron-beam lithographic computer-generated holograms designed by direct search coding algorithm

Hitoshi Tamura; Yasuhiro Torii

doi:10.1117/12.832312

27 August 2009 Electron-beam lithographic computer-generated holograms designed by direct search coding algorithm

Hitoshi Tamura, Yasuhiro Torii

Proceedings Volume 7420, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications III; 74201D (2009) https://doi.org/10.1117/12.832312
Event: SPIE Photonic Devices + Applications, 2009, San Diego, California, United States

Abstract

An optimized encoding algorithm is required to produce high-quality computer generated holograms (CGH). For such purpose, we have proposed that usage of the direct search algorithm (DSA) is effective for encoding the Lohmann-type binary amplitude and phase CGH. However, it takes much time for a computation time to get an optical solution by a DSA. To solve this problem, we have newly found that simultaneously selective direct search algorithm (SDSA) is greatly effective to shorten a computing time for encoding a Lohmann-type CGH.

Citation Download Citation

Hitoshi Tamura and Yasuhiro Torii "Electron-beam lithographic computer-generated holograms designed by direct search coding algorithm", Proc. SPIE 7420, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications III, 74201D (27 August 2009); https://doi.org/10.1117/12.832312

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