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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editor: Gregory W. Faris
  • Vol. 5, Iss. 3 — Feb. 10, 2010

Single step self-enclosed fluidic channels via two photon absorption (TPA) polymerization

S. Jariwala, K. Venkatakrishnan, and B. Tan  »View Author Affiliations

Optics Express, Vol. 18, Issue 2, pp. 1630-1636 (2010)

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In this paper, we demonstrate a simple, fast and single-step method for fabricating self-enclosed fluidic channels via TPA. Pairs of parallel, polymerized ribs are linked by the subsequent polymerization with correctly predetermined offset between the ribs. The region, where the radicals are initiated but its concentration is below the threshold, we called it a sub-activated region. The subsequent polymerization is triggered by the overlap of the sub-activated regions of the two adjacent ribs. The dimensions of the self-enclosed channels depends on the offset between ribs, the scan speed as well as the laser parameters such as pulse energy, pulsewidth and repetition rate.

© 2010 OSA

OCIS Codes
(140.3390) Lasers and laser optics : Laser materials processing
(140.7090) Lasers and laser optics : Ultrafast lasers
(270.4180) Quantum optics : Multiphoton processes
(320.2250) Ultrafast optics : Femtosecond phenomena

ToC Category:
Laser Microfabrication

Original Manuscript: December 3, 2009
Revised Manuscript: January 5, 2010
Manuscript Accepted: January 5, 2010
Published: January 13, 2010

Virtual Issues
Vol. 5, Iss. 3 Virtual Journal for Biomedical Optics

S. Jariwala, K. Venkatakrishnan, and B. Tan, "Single step self-enclosed fluidic channels via two photon absorption (TPA) polymerization," Opt. Express 18, 1630-1636 (2010)

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