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Proceedings Paper

Towards an optical "black hole": surface reshaping for an optimal optical coupling into turbid medium
Author(s): Jonathan V. Thompson; Brett H. Hokr; Vladislav V. Yakovlev
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Paper Abstract

Light propagation in a turbid medium is typically considered for flat or regular surfaces. However, such an approximation often does not reflect an experimental reality, and, in this report, we attempt to optimize the surface of a scattering medium to improve the optical coupling into the medium. By making conical microchannels in a turbid medium using short-pulsed laser micro-drilling, we show that we were able to substantially increase the photon life-time and diffusion radius in the medium.

Paper Details

Date Published: 21 February 2017
PDF: 6 pages
Proc. SPIE 10073, Adaptive Optics and Wavefront Control for Biological Systems III, 100730W (21 February 2017); doi: 10.1117/12.2252632
Show Author Affiliations
Jonathan V. Thompson, Texas A&M Univ. (United States)
Brett H. Hokr, Texas A&M Univ. (United States)
Vladislav V. Yakovlev, Texas A&M Univ. (United States)

Published in SPIE Proceedings Vol. 10073:
Adaptive Optics and Wavefront Control for Biological Systems III
Thomas G. Bifano; Joel Kubby; Sylvain Gigan, Editor(s)

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