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Proceedings Paper

Formation of colloidal periodic structure by two-beam interference
Author(s): Hyun-Ik Kim; Kang-Bin Im; Cha-Hwan Oh; Seok-Ho Song; Pill-Soo Kim
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Paper Abstract

We trapped and manipulated the micro-particles by two beam interference. The micro-particles were pulled toward the bright fringe and were aligned along the periodic interference pattern. We observed the distribution of trapped particles at the various polarization configurations by adjusting the polarization states and measured the optical force acting on the particles. The particles were trapped in bright fringe by intensity gradient in the case of parallel polarization state. In the case of perpendicular polarization state, the particles aligned along periodic pattern even though there was no intensity modulation. Consequently, the results showed that the optical force can be generated from not only the intensity modulation but also no intensity modulation.

Paper Details

Date Published: 29 December 2003
PDF: 8 pages
Proc. SPIE 5184, Physics, Theory, and Applications of Periodic Structures in Optics II, (29 December 2003); doi: 10.1117/12.505414
Show Author Affiliations
Hyun-Ik Kim, Hanyang Univ. (South Korea)
Kang-Bin Im, Hanyang Univ. (South Korea)
Cha-Hwan Oh, Hanyang Univ. (South Korea)
Seok-Ho Song, Hanyang Univ. (South Korea)
Pill-Soo Kim, Hanyang Univ. (South Korea)

Published in SPIE Proceedings Vol. 5184:
Physics, Theory, and Applications of Periodic Structures in Optics II
Philippe Lalanne, Editor(s)

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