期刊
OPTICS EXPRESS
卷 19, 期 8, 页码 7567-7579出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.19.007567
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资金
- Grants-in-Aid for Scientific Research [23656234] Funding Source: KAKEN
Speckle generation is an inherent problem of holography. A speckle-reduction technique employing a time-multiplexing method is proposed. Object points constituting a reconstructed image are divided into multiple object point groups consisting of sparse object points, and the object point groups are displayed time sequentially. The sparseness and temporal summation enable the suppression of speckle generation. The object point group is decomposed into multiple bit planes to represent the grayscale of object points, and binary holograms are generated from the bit plane patterns by using a half-zone plate technique. The binary holograms are displayed by a high-speed spatial light modulator. (C) 2011 Optical Society of America
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