Single-shot digital holography applying spatial heterodyne method
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説明
Single-shot digital holography is developed for instantaneous recording of the complex-amplitude inline hologram by applying spatial heterodyne modulation and spatial frequency filtering. The complex-amplitude in-line hologram can be precisely extracted from one off-axis hologram for the reference light beam with general spatial phase distribution. Bandwidth of the complex-amplitude hologram is enlarged up to a half of the spatial sampling frequency by eliminating the zero-order term from the off-axis hologram, which is a theoretical upper limit in the single-shot recording. Experimental results show that fine images are reconstructed from the complex-amplitude hologram as a result of elimination of the direct light beam and the conjugate beam.
収録刊行物
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- SPIE Proceedings
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SPIE Proceedings 7619 761907-, 2010-02-11
SPIE
