Biconcave micro-optofluidic lens with low-refractive-index liquids
Optics Letters, Vol. 34, Issue 23, pp. 3622-3624 (2009)
http://dx.doi.org/10.1364/OL.34.003622
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Abstract
One of the current problems of micro-optofluidics is the choice of a suitable liquid with a high refractive index (RI). We report the use of a low-RI liquid in a biconcave liquid-core liquid-cladding lens for focusing light. For the characterization of the lens, a telescope system was constructed from polydimethylsiloxane lenses to collimate and expand a light beam emitted from an optical fiber. The tunable optofluidic biconcave lens focuses the parallel beam. Fluorescent dye diluted in an index-matching liquid was used for the visualization of the light rays in a beam-tracing chamber. The focused beam is tuned by adjusting the flow rate ratio between core and cladding streams.
© 2009 Optical Society of America
OCIS Codes
(080.3620) Geometric optics : Lens system design
(230.3990) Optical devices : Micro-optical devices
(050.1965) Diffraction and gratings : Diffractive lenses
(230.4685) Optical devices : Optical microelectromechanical devices
ToC Category:
Optical Devices
History
Original Manuscript: August 27, 2009
Revised Manuscript: October 3, 2009
Manuscript Accepted: October 7, 2009
Published: November 19, 2009
Citation
Chaolong Song, Nam-Trung Nguyen, Anand Krishna Asundi, and Cassandra Lee-Ngo Low, "Biconcave micro-optofluidic lens with low-refractive-index liquids," Opt. Lett. 34, 3622-3624 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-23-3622
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