Sensing interactions in the microworld with optical tweezers

Cécile Pacoret; Richard Bowman; Graham Gibson; Haliyo D. Sinan; Arvid Bergander; David Carberry; Stéphane Régnier; Miles Padgett

doi:10.1117/12.826158

20 August 2009 Sensing interactions in the microworld with optical tweezers

Cécile Pacoret, Richard Bowman, Graham Gibson, Haliyo D. Sinan, Arvid Bergander, David Carberry, Stéphane Régnier, Miles Padgett

Author Affiliations +

Proceedings Volume 7400, Optical Trapping and Optical Micromanipulation VI; 74001L (2009) https://doi.org/10.1117/12.826158
Event: SPIE NanoScience + Engineering, 2009, San Diego, California, United States

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.

Citation Download Citation

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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