Ubiquitous miniaturization requires an everchanging tool set for handling, controlling and manipulating on the micro- and nanoscale. Light-based technologies like optical tweezers provide the contactless high-precision treatment needed for work done at these scales. Holographic optical tweezers (HOT) are used in hundreds of interdisciplinary applications, allowing researchers to move many dielectric particles and biological specimens in 3-D.

© 2012 Optical Society of America

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