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Proceedings Paper

Single-shot digital holography applying spatial heterodyne method
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Paper Abstract

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.

Paper Details

Date Published: 10 February 2010
PDF: 8 pages
Proc. SPIE 7619, Practical Holography XXIV: Materials and Applications, 761907 (10 February 2010); doi: 10.1117/12.843662
Show Author Affiliations
Yoshihide Iwayama, Univ. of Hyogo (Japan)
Kohei Maejima, Univ. of Hyogo (Japan)
Kunihiro Sato, Univ. of Hyogo (Japan)

Published in SPIE Proceedings Vol. 7619:
Practical Holography XXIV: Materials and Applications
Hans I. Bjelkhagen; Raymond K. Kostuk, Editor(s)

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