Multidimensional digital holographic microscopy based on computational coherent superposition for coherent and incoherent light sensing

Tatsuki Tahara; Ryo Okamoto; Ayumi Ishii; Tomoyoshi Ito; Koki Wakunami; Yasuyuki Ichihashi; Ryutaro Oi

doi:10.1117/12.2573192

10 October 2020 Multidimensional digital holographic microscopy based on computational coherent superposition for coherent and incoherent light sensing

Tatsuki Tahara, Ryo Okamoto, Ayumi Ishii, Tomoyoshi Ito, Koki Wakunami, Yasuyuki Ichihashi, Ryutaro Oi

Author Affiliations +

Proceedings Volume 11551, Holography, Diffractive Optics, and Applications X; 115510M (2020) https://doi.org/10.1117/12.2573192
Event: SPIE/COS Photonics Asia, 2020, Online Only

Abstract

Phase-shifting interferometry selectively extracting wavelength information has been proposed since 2013, which is called computational coherent superposition (CCS) of multiple wavelengths. In this proceeding, we apply CCS to self-interference incoherent holography and construct single-path, mechanical-motion-free, wavelength-multiplexed, incoherent multicolor digital holographic microscopy systems. Also, we numerically investigate quantum fluctuation in phase-shifting interferometry for the sensing of weak light such as natural light and nonlinear light. After that, we briefly discuss the difference between the digital holography systems with CCS and phase-shifting interferometry with a Bayer color image sensor.

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Tatsuki Tahara, Ryo Okamoto, Ayumi Ishii, Tomoyoshi Ito, Koki Wakunami, Yasuyuki Ichihashi, and Ryutaro Oi "Multidimensional digital holographic microscopy based on computational coherent superposition for coherent and incoherent light sensing", Proc. SPIE 11551, Holography, Diffractive Optics, and Applications X, 115510M (10 October 2020); https://doi.org/10.1117/12.2573192

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