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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 3 — Feb. 1, 2010
  • pp: 327–329

Tunable micro-optofluidic prism based on liquid-core liquid-cladding configuration

Chaolong Song, Nam-Trung Nguyen, Anand Krishna Asundi, and Say-Hwa Tan  »View Author Affiliations


Optics Letters, Vol. 35, Issue 3, pp. 327-329 (2010)
http://dx.doi.org/10.1364/OL.35.000327


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Abstract

The integration of optical components into microfluidic systems has the potential to reduce the amount of bulky external devices and thus reduce the cost. However, one of the challenges of this concept is the accurate alignment of the optical path among multiple optical components inside a chip. We propose a tunable micro-optofluidic prism based on the liquid-core liquid-cladding structure formed in a sector-shape chamber. The optical interface of the prism is maintained in a straight line shape by distributing a row of pressure barriers in the chamber. By adjusting the flow rate ratio between core and cladding streams, the apex angle of the prism can be tuned accordingly. As a consequence, the deviation angle of the light beam refracted by the prism can be changed continuously. This tunability of our optofluidic prism can be utilized for the alignment of the optical path inside a chip or for the development of optical switches.

© 2010 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: November 6, 2009
Revised Manuscript: December 21, 2009
Manuscript Accepted: December 22, 2009
Published: January 25, 2010

Virtual Issues
Vol. 5, Iss. 4 Virtual Journal for Biomedical Optics

Citation
Chaolong Song, Nam-Trung Nguyen, Anand Krishna Asundi, and Say-Hwa Tan, "Tunable micro-optofluidic prism based on liquid-core liquid-cladding configuration," Opt. Lett. 35, 327-329 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-3-327

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