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Proceedings Paper

Optical spatial solitons in bidisperse fluorescent nanocolloids
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Paper Abstract

We report on the nonlinear effects of light propagation through a fluorescent nanocolloid, where self-collimated beams are formed. The medium is constituted by a bidisperse suspension of fluorescent and nonfluorescent nanospheres of similar diameters (60nm and 62nm, respectively) in distilled water. A CW laser beam (532 nm wavelength) was focused into the nano-suspension. The threshold power and focusing conditions to create a self-collimated beam are analyzed as a function of the incident power, and a hysteresis effect is observed for the size of the output beam when the power is increasing and decreasing. We also discuss other effects associated to the presence of the fluorescent nanospheres.

Paper Details

Date Published: 25 August 2015
PDF: 7 pages
Proc. SPIE 9548, Optical Trapping and Optical Micromanipulation XII, 95481F (25 August 2015); doi: 10.1117/12.2188758
Show Author Affiliations
M. Yadira Salazar-Romero, Univ. Nacioinal Autónoma de México (Mexico)
Yareni Aguilar-Ayala, Univ. Nacional Autónoma de México (Mexico)
Alejandro V. Arzola, Univ. Nacional Autónoma de México (Mexico)
Juan Hernández-Cordero, Univ. Nacional Autónoma de México (Mexico)
K. Volke-Sepúlveda, Univ. Nacional Autónoma de México (Mexico)

Published in SPIE Proceedings Vol. 9548:
Optical Trapping and Optical Micromanipulation XII
Kishan Dholakia; Gabriel C. Spalding, Editor(s)

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