Optical Tweezers. Research performed by: Rachel Patton McCord. at The National Institute of Standards and Technology and Davidson College. Background: Optical Tweezers Physics. Balancing Forces: Scattering Force- “Radiation Pressure” Gradient Force- Restoring force analogy to spring .
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Research performed by:
Rachel Patton McCord
The National Institute of Standards and Technology andDavidson College
Figure from: Svoboda and Block, 1994.
Images from: http://www.olympusmicro.com/primer/java/nuaperture/index.html
f1 + f2
Image created from Physlet at http://webphysics.davidson.edu/Course_Material/Py230L/optics/lenses.htm Physlet by Dr. Wolfgang Christian and Mike Lee
Both Traps Together
Image from: http://www.ucmp.berkeley.edu/greenalgae/chlorophyceae.html
Further in the future: