Single-shot digital holography applying spatial heterodyne method

Yoshihide Iwayama; Kohei Maejima; Kunihiro Sato

doi:10.1117/12.843662

10 February 2010 Single-shot digital holography applying spatial heterodyne method

Yoshihide Iwayama, Kohei Maejima, Kunihiro Sato

Proceedings Volume 7619, Practical Holography XXIV: Materials and Applications; 761907 (2010) https://doi.org/10.1117/12.843662
Event: SPIE OPTO, 2010, San Francisco, California, United States

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.

Citation Download Citation

Yoshihide Iwayama, Kohei Maejima, and Kunihiro Sato "Single-shot digital holography applying spatial heterodyne method", Proc. SPIE 7619, Practical Holography XXIV: Materials and Applications, 761907 (10 February 2010); https://doi.org/10.1117/12.843662

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