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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 16 — Jul. 30, 2012
  • pp: 17467–17473

Direct laser writing for nanoporous liquid core laser sensors

Tobias Grossmann, Mads Brøkner Christiansen, Jeffrey Peterson, Heinz Kalt, Timo Mappes, and Anders Kristensen  »View Author Affiliations

Optics Express, Vol. 20, Issue 16, pp. 17467-17473 (2012)

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We report the fabrication of nanoporous liquid core lasers via direct laser writing based on two-photon absorption in combination with thiolene-chemistry. As gain medium Rhodamine 6G was embedded in the nanoporous polybutadiene matrix. The lasing devices with thresholds of 19 µJ/mm2 were measured to have bulk refractive index sensitivities of 169 nm/RIU at a laser wavelength of 600 nm, demonstrating strongly increased overlap of the modes with the analyte in comparison to solid state evanescent wave sensors.

© 2012 OSA

OCIS Codes
(140.2050) Lasers and laser optics : Dye lasers
(140.7300) Lasers and laser optics : Visible lasers
(160.5470) Materials : Polymers
(140.3948) Lasers and laser optics : Microcavity devices
(220.4241) Optical design and fabrication : Nanostructure fabrication

ToC Category:
Lasers and Laser Optics

Original Manuscript: May 29, 2012
Revised Manuscript: July 9, 2012
Manuscript Accepted: July 9, 2012
Published: July 17, 2012

Tobias Grossmann, Mads Brøkner Christiansen, Jeffrey Peterson, Heinz Kalt, Timo Mappes, and Anders Kristensen, "Direct laser writing for nanoporous liquid core laser sensors," Opt. Express 20, 17467-17473 (2012)

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