Lensless holographic microscope of biological samples

Ram, G Hanu Phani and Bansode, Vaibhav and John, Renu (2018) Lensless holographic microscope of biological samples. In: Computational Optical Sensing and Imaging, 25–28 June 2018, Florida, United States.

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Abstract

Lensless holographic microscopy shows high potential to be a practical point of care diagnostic tool due to its unique features like compactness, simple prototype, portability and on-chip operation. In the present work, a deep violet (370nm, 10 nm FWHM) LED at low power is used as a low coherent light source for lensless 3-D holographic imaging of live cells and microparticles. An on-chip Fresnel hologram of the sample is recorded in on-axis geometry on a high resolution CMOS camera and 3-D phase reconstruction has been performed eliminating the twin images using an optimization approach.

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IITH Creators:	IITH Creators ORCiD John, Renu https://orcid.org/0000-0003-3254-2472
Item Type:	Conference or Workshop Item (Paper)
Subjects:	Biomedical Engineering
Divisions:	Department of Biomedical Engineering
Depositing User:	Team Library
Date Deposited:	29 Oct 2019 09:41
Last Modified:	29 Oct 2019 09:41
URI:	http://raiithold.iith.ac.in/id/eprint/6885
Publisher URL:	http://doi.org/10.1364/3D.2018.JTu4A.36
Related URLs:	Google Scholar

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