Application of optical trapping to beam manipulation in optofluidics

Domachuk, P, Mutzenich, S, Cronin-Golomb, M, Rosengarten, G, Mitchell, A and Eggleton, B 2006, 'Application of optical trapping to beam manipulation in optofluidics', in Proceedings of the SPIE, Volume 6038, Brisbane, Australia, 12 December 2005.

Document type: Conference Paper
Collection: Conference Papers

Title Application of optical trapping to beam manipulation in optofluidics
Author(s) Domachuk, P
Mutzenich, S
Cronin-Golomb, M
Rosengarten, G
Mitchell, A
Eggleton, B
Year 2006
Conference name SPIE Conference-Photonics: Design, Technology, and Packaging II
Conference location Brisbane, Australia
Conference dates 12 December 2005
Proceedings title Proceedings of the SPIE, Volume 6038
Publisher SPIE
Place of publication USA
Abstract We introduce a novel method of attaining all-optical beam control in an optofluidic device by displacing an optically trapped silica micro-sphere though a light beam. The micro-sphere causes the beam to be refracted by various degrees as a function of the sphere position, providing tunable attenuation and beam-steering in the device. The device itself consists of the manipulated light beam extending between two buried waveguides which are on either side of amicrofluidic channel. This channel contains the micro-spheres which are suspended in water. We simulate this geometry using the Finite Difference Time Domain method and find good agreement between simulation and experiment.
Subjects Fluidisation and Fluid Mechanics
Keyword(s) integrated optics
DOI - identifier 10.1117/12.651733
Copyright notice © 2006 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
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