Direct laser writing for nanoporous liquid core laser sensors | Zendy

Tobias Großmann | Zendy; Mads Brøkner Christiansen | Zendy; Jeffrey Peterson | Zendy; H. Kalt | Zendy; Timo Mappes | Zendy; Anders Kristensen | Zendy

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Direct laser writing for nanoporous liquid core laser sensors

Author(s) -

Tobias Großmann,

Mads Brøkner Christiansen,

Jeffrey Peterson,

H. Kalt,

Timo Mappes,

Anders Kristensen

Publication year - 2012

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.20.017467

Subject(s) - materials science , rhodamine 6g , laser , nanoporous , lasing threshold , optics , dye laser , optoelectronics , refractive index , absorption (acoustics) , fabrication , wavelength , fluorescence , nanotechnology , medicine , physics , alternative medicine , pathology , composite material

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/mm(2) 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.

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