Controlling microparticles through a light field having controllable intensity and periodicity of maxima thereof
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United States of America Patent
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Aug 4, 2015
Grant Date -
Apr 25, 2013
app pub date -
Dec 11, 2012
filing date -
Apr 19, 2011
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Abstract
A method includes providing a capability to control divergence of a coherent light beam having an axially symmetrical distribution of intensity thereof through an optical divergence controller, and directing an output of the optical divergence controller related to the controlled divergence of the coherent light beam onto a glass prism. The glass prism includes a planar shape onto which a pyramidal structure is formed. The method also includes controlling a distance between maxima of an output light field of the glass prism and intensity thereof through controlling the divergence of the coherent light beam through the optical divergence controller and/or varying a distance between the optical divergence controller and the glass prism, and utilizing the output light field of the glass prism in controlling microparticles in a microtechnology or a nanotechnology application.
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