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Laser Direct-write Nanopatterning by Near-field Multiphoton Polymerization Using Optically Trapped Microspheres

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Abstract

We use Gaussian beam to position a microsphere in a polymer precursor environment near a substrate. Pulsed laser is focused by a microsphere to induce multiphoton polymerization in the near-field, enabling additive direct-write nanoscale processing.

© 2012 Optical Society of America

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