Optical trapping and spectral analysis of aerosols with a supercontiuum laser source | Zendy

Marc Guillon | Zendy; Kishan Dholakia | Zendy; David McGloin | Zendy

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Optical trapping and spectral analysis of aerosols with a supercontiuum laser source

Author(s) -

Marc Guillon,

Kishan Dholakia,

David McGloin

Publication year - 2008

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.16.007655

Subject(s) - supercontinuum , optics , trapping , monochromatic color , laser , mie scattering , materials science , physics , light scattering , scattering , optical fiber , photonic crystal fiber , ecology , biology

We report on the optical trapping of water droplets with a supercontinuum laser source. Droplet size is determined by observing the spectrum of the on-axis backscattered light. In contrast to to monochromatic trapping, the broad spectrum of the supercontinuum covers several resonances of the first excited Mie coefficients. A minimum value of Q approximately 0.16 for the trapping efficiency is estimated.

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