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Characteristics of complex light modulation through an amplitude-phase double-layer spatial light modulator
- Authors
- Park, Sungjae; Roh, Jinyoung; Kim, Soobin; Park, Juseong; Kang, Hoon; Hahn, Joonku; Jeon, Youngjin; Park, Shinwoong; Kim, Hwi
- Issue Date
- 20-2월-2017
- Publisher
- OPTICAL SOC AMER
- Citation
- OPTICS EXPRESS, v.25, no.4, pp.3469 - 3480
- Indexed
- SCIE
SCOPUS
- Journal Title
- OPTICS EXPRESS
- Volume
- 25
- Number
- 4
- Start Page
- 3469
- End Page
- 3480
- ISSN
- 1094-4087
- Abstract
- The complex modulation characteristics of a light field through an amplitude- phase double-layer spatial light modulator are analyzed based on the wave- optic numerical model, and the structural conditions for the optimal double- layer complex modulation structure are investigated. The relationships of interlayer distance, pixel size, and complex light modulation performance are analyzed. The main finding of this study is that the optimal interlayer distance for the double-layer structure can be found at the Talbot effect condition. For validating the practical usefulness of our findings, a high quality reconstruction of the complex computer- generated holograms and the robustness of the angular tolerance of the complex modulation at the Talbot interlayer distance are numerically demonstrated. (C) 2017 Optical Society of America
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