Observation of nondegenerate cavity modes for a distorted polystyrene microsphere
Optics Letters, Vol. 31, Issue 14, pp. 2211-2213 (2006)
http://dx.doi.org/10.1364/OL.31.002211
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Abstract
Nondegenerate azimuthal morphology-dependent resonances are observed for a distorted, fluorescently labeled polystyrene microsphere levitated in a quadrupole ion trap. Modeling the individual resonances by using perturbation theory allows a determination of quadrupole and octupole distortion parameters. The particle’s shape changes slowly over the course of the measurement and eventually becomes spherical. The morphological changes are facilitated by laser heating of the particle above the polystyrene glass transition temperature. We demonstrate a method of transforming a trapped particle to a sphere and rendering its azimuthal modes degenerate.
© 2006 Optical Society of America
OCIS Codes
(290.4020) Scattering : Mie theory
(290.5850) Scattering : Scattering, particles
(300.2530) Spectroscopy : Fluorescence, laser-induced
ToC Category:
Scattering
History
Original Manuscript: February 16, 2006
Revised Manuscript: April 12, 2006
Manuscript Accepted: April 23, 2006
Virtual Issues
Vol. 1, Iss. 8 Virtual Journal for Biomedical Optics
Citation
Adam J. Trevitt, Philip J. Wearne, Evan J. Bieske, and Michael D. Schuder, "Observation of nondegenerate cavity modes for a distorted polystyrene microsphere," Opt. Lett. 31, 2211-2213 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-14-2211
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