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Proceedings Paper

Neural network for image-to-image control of optical tweezers
Author(s): Arthur J. Decker; Robert C. Anderson; Kenneth E. Weiland; Susan Y. Wrbanek
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Paper Abstract

A method is discussed for using neural networks to control optical tweezers. Neural-net outputs are combined with scaling and tiling to generate 480X480-pixel control patterns for a spatial light modulator (SLM). The SLM can be combined in various ways with a microscope to create movable tweezers traps with controllable profiles. The neural nets are intended to respond to scattered light from carbon and silicon carbide nanotube sensors. The nanotube sensors are to be held by the traps for manipulation and calibration. Scaling and tiling allow the 100X100-pixel maximum resolution of the neural-net software to be applied in stages to exploit the full 480X480-pixel resolution of the SLM. One of these stages is intended to create sensitive null detectors for detecting variations in the scattered light from the nanotube sensors.

Paper Details

Date Published: 18 October 2004
PDF: 10 pages
Proc. SPIE 5514, Optical Trapping and Optical Micromanipulation, (18 October 2004); doi: 10.1117/12.559564
Show Author Affiliations
Arthur J. Decker, NASA Glenn Research Ctr. (United States)
Robert C. Anderson, NASA Glenn Research Ctr. (United States)
Kenneth E. Weiland, NASA Glenn Research Ctr. (United States)
Susan Y. Wrbanek, NASA Glenn Research Ctr. (United States)


Published in SPIE Proceedings Vol. 5514:
Optical Trapping and Optical Micromanipulation
Kishan Dholakia; Gabriel C. Spalding, Editor(s)

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