Manipulation of single and multiple low index particles by means of optical tweezers

Garbin, Valeria, Cojoc, Dan, Ferrari, Enrico , Kulkarni, Revati and Di Fabrizio, Enzo (2005) Manipulation of single and multiple low index particles by means of optical tweezers. In: Optical Trapping and Optical Micromanipulation II, 31 July - 4 August 2005, San Diego, California.

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Item Type:Conference or Workshop contribution (Paper)
Item Status:Live Archive

Abstract

Higher-order laser beams were demonstrated to enable optical manipulation of low-index-particles. In this work single-ringed Laguerre-Gaussian beams, obtained by means of phase-only diffractive optical elements, are used to perform manipulation of phospholipid-shelled gas microbubbles in water. Implementation of diffractive optical elements on a programmable spatial light modulator allows to generate also arrays of Laguerre-Gaussian traps. We show manipulation of low-index particles by properly displaying a suitable sequence of diffractive optical elements. Control over the distance between the trapped particles in real time is also demonstrated.

Additional Information:Optics & Photonics, Optical Trapping and Optical Micromanipulation II, 31 July - 4 August 2005, San Diego (California, USA)
Keywords:optical manipulation
Subjects:F Physical Sciences > F310 Applied Physics
Divisions:College of Science > School of Life Sciences
ID Code:8401
Deposited On:27 Mar 2013 19:59

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