UV Defined Nanoporous Liquid Core Waveguides

Mads Brøkner Christiansen, Nimi Gopalakrishnan, Sokol Ndoni, Anders Kristensen, Kaushal Shashikant Sagar

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

Nanoporous liquid core waveguides, where both core and cladding are made from the same material, are presented. The nanoporous polymer used is intrinsically hydrophobic, but selective UV exposure enables it to infiltrate with an aqueous solution, thus raising the refractive index from 1.26 to 1.42. The waveguides are promising for integrated optofluidic sensor systems, where a long optical interaction length can be achieved with a small fluid sample. The propagation loss of a 200×200 μm waveguide is measured to 0.62 dB/mm.
Original languageEnglish
Title of host publicationProceedings of the Ninth IEEE Sensors Conference 2010
PublisherIEEE
Publication date2011
ISBN (Print)978-1-4244-8170-5
DOIs
Publication statusPublished - 2011
EventIEEE SENSORS 2010 - Kona, United States
Duration: 1 Nov 20104 Nov 2010
Conference number: 9
https://ieeexplore.ieee.org/xpl/conhome/5678851/proceeding

Conference

ConferenceIEEE SENSORS 2010
Number9
Country/TerritoryUnited States
CityKona
Period01/11/201004/11/2010
Internet address

Keywords

  • Optical waveguides
  • Optical fibre cladding
  • Ultraviolet spectra
  • Integrated optics
  • Fibre optic sensors

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