期刊
APPLIED OPTICS
卷 61, 期 5, 页码 B96-B102出版社
OPTICAL SOC AMER
DOI: 10.1364/AO.443439
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资金
- Japan Society for the Promotion of Science [19H04132, 19H01097]
This study proposes a real-valued diffraction calculation method that does not require complex-valued operations, which can be applied to holographic applications that only require real-valued holograms or diffraction results.
Computational holography, encompassing computer-generated holograms and digital holography, utilizes diffraction calculations based on complex-valued operations and complex Fourier transforms. However, for some holographic applications, only real-valued holograms or real-valued diffracted results are required. This study proposes a real-valued diffraction calculation that does not require any complex-valued operation. Instead of complex-valued Fourier transforms, we employ a pure real-valued transform. Among the several real-valued transformations that have been proposed, we employ the Hartley transformation. However, our proposed method is not limited to this transformation, as other real-valued transformations can be utilized. (C) 2021 Optical Society of America
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