4.6 Article

Fabrication of microfluidic channels with a circular cross section using spatiotemporally focused femtosecond laser pulses

Journal

OPTICS LETTERS
Volume 35, Issue 7, Pages 1106-1108

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OL.35.001106

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Funding

  1. National Basic Research Program of China [2006CB80600]
  2. National Natural Science Foundation of China (NSFC) [10974213]
  3. Chinese Academy of Sciences (CAS)
  4. Shanghai Pujiang Program
  5. National Outstanding Youth Foundation

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We report on the fabrication of hollow microfluidic channels with a circular cross-sectional shape embedded in fused silica by spatiotemporally focusing the femtosecond laser beam. We demonstrate both theoretically and experimentally that the spatiotemporal focusing of femtosecond laser beam allows for the creation of a three-dimensionally symmetric spherical intensity distribution at the focal spot. (C) 2010 Optical Society of America

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