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20 August 2009 Sensing interactions in the microworld with optical tweezers
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Abstract
Optical Tweezers have become a widespread tool in Cell Biology, microengineering and other fields requiring delicate micromanipulation. But for those sensitive tasks, it remains difficult to handle objects without damaging them. As the precision in position and force measurement increase, the richness of information cannot be fully exploited with simple interfaces such as a mouse or a common joystick. For this reason, we propose a haptic force-feedback optical tweezer command and a force-feedback system controlled by one hand. The system combines accurate force measurement using a fast camera and the coupling of these measured forces with a human operator. The overall transparency allows even the feeling of the Brownian motion.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Cécile Pacoret, Richard Bowman, Graham Gibson, Haliyo D. Sinan, Arvid Bergander, David Carberry, Stéphane Régnier, and Miles Padgett "Sensing interactions in the microworld with optical tweezers", Proc. SPIE 7400, Optical Trapping and Optical Micromanipulation VI, 74001L (20 August 2009); https://doi.org/10.1117/12.826158
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