Tuna, YazganSayed, R.Donato, M.G.Gucciardi P.G.Maragò O.M.Volpe, Giovanni2016-02-082016-02-082012http://hdl.handle.net/11693/28094Date of Conference: 14–18 October 2012Conference name: Frontiers in Optics 2012We 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. © OSA 2012.EnglishExternal cavityIntracavitiesOptical tweezingOpticaltrappingPhoto-damageRadiation forcesTrapped particleFeedbackConference Paper10.1364/FIO.2012.FTu4C.2