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Proceedings Paper

Spatiotemporal polarization modulation microscopy with a microretarder array
Author(s): Changqin Ding; James R. W. Ulcickas; Garth J. Simpson
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Paper Abstract

A patterned microretarder array positioned in the rear conjugate plane of a microscope enables rapid polarizationdependent nonlinear optical microscopy. The pattern introduced to the array results in periodic modulation of the polarization-state of the incident light as a function of position within the field of view with no moving parts or active control. Introduction of a single stationary optical element and a fixed polarizer into the beam of a nonlinear optical microscope enabled nonlinear optical tensor recovery, which informs on local structure and orientation. Excellent agreement was observed between the measured and predicted second harmonic generation (SHG) of z-cut quartz, selected as a test system with well-established nonlinear optical properties. Subsequent studies of spatially varying samples further support the general applicability of this relatively simple strategy for detailed polarization analysis in both conventional and nonlinear optical imaging of structurally diverse samples.

Paper Details

Date Published: 13 February 2018
PDF: 7 pages
Proc. SPIE 10490, Biomedical Vibrational Spectroscopy 2018: Advances in Research and Industry, 104900O (13 February 2018); doi: 10.1117/12.2291352
Show Author Affiliations
Changqin Ding, Purdue Univ. (United States)
James R. W. Ulcickas, Purdue Univ. (United States)
Garth J. Simpson, Purdue Univ. (United States)


Published in SPIE Proceedings Vol. 10490:
Biomedical Vibrational Spectroscopy 2018: Advances in Research and Industry
Anita Mahadevan-Jansen; Wolfgang Petrich, Editor(s)

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