iTweezers: from toy to tool

R. W. Bowman; G. M. Gibson; D. M. Carberry; L. Picco; D. Phillips; M. J. Miles; M. J. Padgett

doi:10.1117/12.897435

6 September 2011 iTweezers: from toy to tool

R. W. Bowman, G. M. Gibson, D. M. Carberry, L. Picco, D. Phillips, M. J. Miles, M. J. Padgett

Proceedings Volume 8097, Optical Trapping and Optical Micromanipulation VIII; 809702 (2011) https://doi.org/10.1117/12.897435
Event: SPIE NanoScience + Engineering, 2011, San Diego, California, United States

Abstract

Holographic optical tweezers are fast becoming an established tool in micro- and nano-science. We present developments in both the interface and the underlying technology as used in our lab, along with some of the uses we have put them to. Real time particle tracking from stereoscopic video images enables us to determine position to nanometre precision in 3D. This can be performed in real time at several kHz, allowing us to positionclamp trapped objects in 3D and measure positions and forces with optically controlled tools. Our multi-touch iPad interface gives interactive control over multiple traps at the same time, which opens new possibilities for controlling tools, structures and other dynamic processes.

Citation Download Citation

R. W. Bowman, G. M. Gibson, D. M. Carberry, L. Picco, D. Phillips, M. J. Miles, and M. J. Padgett "iTweezers: from toy to tool", Proc. SPIE 8097, Optical Trapping and Optical Micromanipulation VIII, 809702 (6 September 2011); https://doi.org/10.1117/12.897435

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