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Opt Lett. 2013 Aug 1;38(15):2789-91. doi: 10.1364/OL.38.002789.

Multiwavelength parallel phase-shifting digital holography using angular multiplexing.

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  • 1Graduate School of Science and Technology, Kyoto Institute of Technology, Kyoto, Japan.


We propose a single-shot digital holography for recording multiwavelength and complex amplitude information by using a single monochromatic image sensor. The zeroth-order wave and conjugate image in each wavelength are removed from a recorded single hologram by applying parallel phase-shifting interferometry. Angular multiplexing is utilized to record the complex amplitude of an object wave in each wavelength separately, and no color filter is required. The effectiveness of the proposed technique was experimentally verified.

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