We study the enhancement of optical forces associated with optical trapping red-shifted from resonance absorption. Particles with tunable resonances are manipulated using a single-focus optical trap with tunable wavelength, and studied using back- focal-plane interferometry.
© 2009 The Optical Society
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(020.7010) Atomic and molecular physics : Laser trapping
(350.0350) Other areas of optics : Other areas of optics
(350.4855) Other areas of optics : Optical tweezers or optical manipulation
B. C. Hester, R. Kishore, K. Helmerson, C. Levin, and N. J. Halas, "Optical Tweezing Red-Shifted from Resonance," in Advances in Imaging, OSA Technical Digest (CD) (Optical Society of America, 2009), paper OMB2.
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