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Step-by-step guide to the realization of advanced optical tweezers

Journal article
Authors Giovanni Volpe
Giuseppe Pesce
Giorgio Volpe
Onofrio M. Maragó
Philip H. Jones
Sylvain Gigan
Antonio Sasso
Published in Journal of the Optical Society of America B: Optical Physics
Volume 32
Pages B84-B98
ISSN 07403224
Publication year 2015
Published at
Pages B84-B98
Language en
Subject categories Physical Sciences


© 2015 Optical Society of America. Since the pioneering work of Arthur Ashkin, optical tweezers (OT) have become an indispensable tool for contactless manipulation of micro- and nanoparticles. Nowadays OT are employed in a myriad of applications demonstrating their importance. While the basic principle of OT is the use of a strongly focused laser beam to trap and manipulate particles, more complex experimental setups are required to perform novel and challenging experiments. With this article, we provide a detailed step-by-step guide for the construction of advanced optical manipulation systems. First, we explain how to build a single-beam OT on a homemade microscope and how to calibrate it. Improving on this design, we r ealize a holographic OT, which can manipulate independently multiple particles and generate more sophisticated wavefronts such as Laguerre-Gaussian beams. Finally, we explain how to implement a speckle OT, which permits one to employ random speckle light fields for deterministic optical manipulation.

Page Manager: Webmaster|Last update: 9/11/2012

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