We demonstrate a novel mechanism for optical tweezing, where a trapped particle dynamically alters an external cavity quality factor, reduceing the average intensity and photodamage, even employing low-numerical aperture lenses and wide fields-of-view.
© 2012 OSA
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(140.7010) Lasers and laser optics : Laser trapping
(170.4520) Medical optics and biotechnology : Optical confinement and manipulation
Y. Tuna, R. Sayed, M. G. Donato, P. G. Gucciardi, O. Marago, and G. Volpe, "Optical Feedback Radiation Forces: Intracavity Optical Trapping with Feedback-locked Diode Lasers," in Frontiers in Optics 2012/Laser Science XXVIII, OSA Technical Digest (online) (Optical Society of America, 2012), paper FTu4C.2.
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