GPC and quantitative phase imaging

Darwin Palima; Andrew Rafael Bañas; Mark Jayson Villangca; Jesper Glückstad

doi:10.1117/12.2217387

9 March 2016 GPC and quantitative phase imaging

Darwin Palima, Andrew Rafael Bañas, Mark Jayson Villangca, Jesper Glückstad

Proceedings Volume 9718, Quantitative Phase Imaging II; 97182P (2016) https://doi.org/10.1117/12.2217387
Event: SPIE BiOS, 2016, San Francisco, California, United States

Abstract

Generalized Phase Contrast (GPC) is a light efficient method for generating speckle-free contiguous optical distributions using binary-only or analog phase levels. It has been used in applications such as optical trapping and manipulation, active microscopy, structured illumination, optical security, parallel laser marking and labelling and recently in contemporary biophotonics applications such as for adaptive and parallel two-photon optogenetics and neurophotonics. We will present our most recent GPC developments geared towards these applications. We first show a very compact static light shaper followed by the potential of GPC for biomedical and multispectral applications where we experimentally demonstrate the active light shaping of a supercontinuum laser over most of the visible wavelength range. Finally, we discuss how GPC can be advantageously applied for Quantitative Phase Imaging (QPI).

Citation Download Citation

Darwin Palima, Andrew Rafael Bañas, Mark Jayson Villangca, and Jesper Glückstad "GPC and quantitative phase imaging", Proc. SPIE 9718, Quantitative Phase Imaging II, 97182P (9 March 2016); https://doi.org/10.1117/12.2217387

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