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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 19 — Jul. 1, 2003
  • pp: 4072–4079

Integration of polymer waveguides for optical detection in microfabricated chemical analysis systems

Klaus B. Mogensen, Jamil El-Ali, Anders Wolff, and Jörg P. Kutter  »View Author Affiliations


Applied Optics, Vol. 42, Issue 19, pp. 4072-4079 (2003)
http://dx.doi.org/10.1364/AO.42.004072


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Abstract

Multimode polymer waveguides and fiber-to-waveguide couplers have been integrated with microfluidic channels by use of a single-mask-step procedure, which ensured self-alignment between the optics and the fluidics and allowed a fabrication and packaging time of only one day. Three fabrication procedures for obtaining hermetically sealed channels were investigated, and the spectrally resolved propagation loss (400–900 nm) of the integrated waveguides was determined for all three procedures. Two chemical absorbance cells with optical path lengths of 100 and 1000 μm were furthermore fabricated and characterized in terms of coupling loss, sensitivity, and limit of detection for measurements of the dye bromothymol blue.

© 2003 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(170.3890) Medical optics and biotechnology : Medical optics instrumentation

History
Original Manuscript: October 23, 2002
Revised Manuscript: February 12, 2003
Published: July 1, 2003

Citation
Klaus B. Mogensen, Jamil El-Ali, Anders Wolff, and Jörg P. Kutter, "Integration of polymer waveguides for optical detection in microfabricated chemical analysis systems," Appl. Opt. 42, 4072-4079 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-19-4072

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