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Proceedings Paper

Nonlinear absorption coefficient measurement of nanofluids using Moire deflectometry technique
Author(s): Shahrzad Shahrabi Farahani; Khosro Madanipour
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Paper Abstract

Nanoparticles with second-order optical nonlinearities have been widely studied because of their applications in clinical and industrial applications. The nonlinear absorption coefficient is an important parameter which should be determined in order to fully grasp the implications of these materials. In this work Moire deflectometry method is used to measure the nonlinear absorption coefficient of nanoparticles. In the proposed method the divergence of beam is measured instead of measuring the intensity of divergent ray. Two beams are used; one is a comparatively high intensity laser beam which is used as the interacting beam and the other is used as probe, wide beam with low intensity that is radiated to the first beam vertically. By analyzing the probe beam using Moiré deflectometry, the nonlinear absorption coefficient is measured.

Paper Details

Date Published: 26 June 2017
PDF: 6 pages
Proc. SPIE 10333, Optical Methods for Inspection, Characterization, and Imaging of Biomaterials III, 103331I (26 June 2017); doi: 10.1117/12.2270145
Show Author Affiliations
Shahrzad Shahrabi Farahani, Amirkabir Univ. of Technology (Iran, Islamic Republic of)
Khosro Madanipour, Amirkabir Univ. of Technology (Iran, Islamic Republic of)


Published in SPIE Proceedings Vol. 10333:
Optical Methods for Inspection, Characterization, and Imaging of Biomaterials III
Pietro Ferraro; Simonetta Grilli; Monika Ritsch-Marte; Christoph K. Hitzenberger, Editor(s)

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