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Proceedings Paper

Unlimited field-of-view optofluidic quantitative phase imaging
Author(s): V. Bianco; M. Paturzo; V. Marchesano; P. Ferraro
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Paper Abstract

Here we show a novel imaging modality, named Space-Time Scanning Interferometry (STSI), which synthesizes interferograms mapped in a hybrid space-time domain. A single linear sensor array is sufficient to create hybrid interferograms with unlimited Field of View (FoV) along the scanning direction, and allowing quantitative phase retrieval by Phase Shifting (PS) interferometry algorithms. We applied the STSI method to microfluidic imaging of biological samples, where the required phase shift between interferograms is intrinsically offered due to the sample movement. Besides, out-of-focus recordings are performed using a single line detector, in order to synthesize an unlimited FoV Space-Time Digital Hologram (STDH) yielding full-field, 3D information. Experimental proofs have been carried out to demonstrate the useful capability of STDH to overcome the trade-off existing between FoV and sample magnification, thus providing a high-throughput, label/free, quantitative, diagnostic tool to study biological elements onboard LoC platforms.

Paper Details

Date Published: 9 March 2016
PDF: 7 pages
Proc. SPIE 9718, Quantitative Phase Imaging II, 97182K (9 March 2016); doi: 10.1117/12.2211020
Show Author Affiliations
V. Bianco, Institute of Applied Sciences and Intelligent Systems, CNR (Italy)
M. Paturzo, Institute of Applied Sciences and Intelligent Systems, CNR (Italy)
V. Marchesano, Institute of Applied Sciences and Intelligent Systems, CNR (Italy)
P. Ferraro, Institute of Applied Sciences and Intelligent Systems, CNR (Italy)


Published in SPIE Proceedings Vol. 9718:
Quantitative Phase Imaging II
Gabriel Popescu; YongKeun Park, Editor(s)

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