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An interactive visual interface for the determination of similarity patterns in the Fourier spatial frequency spectrum of laser speckle
Author(s): Sam Payne; Lisa Chan; Wei Cheng Lin; Stewart Russell
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Paper Abstract

Laser speckle from particles that are smaller than the wavelength of light resemble a random Gaussian field, but can be shown to contain a characteristic spectrum in frequency space. Speckle is caused by not only the instantaneous microstructure of nanoparticles in suspension that will fluctuate as they reorganize, but also by the magnetic and optical properties of the scattering medium itself. Here we demonstrate interactive tool that can be used to define similarities between seemingly random scattering fields. Optimization of the Fourier spatial frequency spectrum gives a representative pattern that can be directly correlated to the transport properties of the particles.

Paper Details

Date Published: 17 February 2017
PDF: 4 pages
Proc. SPIE 10060, Optical Biopsy XV: Toward Real-Time Spectroscopic Imaging and Diagnosis, 100600P (17 February 2017); doi: 10.1117/12.2253984
Show Author Affiliations
Sam Payne, The City College of New York (United States)
Lisa Chan, The City College of New York (United States)
Wei Cheng Lin, SUNY Binghamton (United States)
Stewart Russell, The City College of New York (United States)
Dartmouth College (United States)


Published in SPIE Proceedings Vol. 10060:
Optical Biopsy XV: Toward Real-Time Spectroscopic Imaging and Diagnosis
Robert R. Alfano; Stavros G. Demos, Editor(s)

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