Phase extraction in microscopy using tunable defocusing by means of a SLM

PLUTO / PLUTO-2 Spatial Light Modulators
Adaptive Optics / Wavefront Control Microscopy
Published on:
Authors: Luis Camacho, Vicente Micó, Javier García, Zeev Zalevsky
Abstract:

“In many practical microscopy applications the use of phase information is crucial. In this contribution we propose a method for phase extraction in a microscopy system based on analysis of images with varying defocusing. The system has no mobile parts owing to the defocusing by means of a spatial light modulator. The base of the method is the captre of images in a microscope with varying tube lens focal lengths. This produce a set of intensity images, all of them related, because the can be generated by free space propagation of a complex distribution which is unknown.”

Restricted Access

Publication: SPIE Proceedings
Issue/Year: Proc. SPIE 8082, 80820O (2011);
DOI: 10.1117/12.889591
Link: https://doi.org/10.1117/12.889591

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