Now showing items 1-7 of 7

    • A mid-Infrared spectroscopy platform based on GaAs/AlGaAs thin-film waveguides and quantum cascade lasers 

      Wissenschaftlicher Artikel
      Sieger, Markus; Haas, Julian; Jetter, Michael; Michler, Peter; Godejohann, Matthias; Mizaikoff, Boris (Universität Ulm, 2016)
      The performance and versatility of GaAs/AlGaAs thin-film waveguide technology in combination with quantum cascade lasers for mid-infrared spectroscopy in comparison to conventional FTIR spectroscopy is presented. Infrared ...
    • Chem/bio sensing with non-classical light and integrated photonics 

      Wissenschaftlicher Artikel
      Haas, Julian; Schwartz, Mario; Rengstl, Ulrich; Jetter, Michael; Michler, Peter; Mizaikoff, Boris (Universität Ulm, 2017-12-06)
      Modern quantum technology currently experiences extensive advances in applicability in communications, cryptography, computing, metrology and lithography. Harnessing this technology platform for chem/bio sensing scenarios ...
    • Polycrystalline diamond thin-film waveguides for mid-infrared evanescent field sensors 

      Wissenschaftlicher Artikel
      Haas, Julian; Catalan, Ernesto Vargas; Piron, Pierre; Nikolajeff, Fredrik; Österlund, Lars; Karlsson, Mikael; Mizaikoff, Boris (Universität Ulm, 2018-06-08)
      Photonic design and optimization of thin-film polycrystalline diamond waveguides are shown, serving as advanced evanescent field transducers in the mid-infrared fingerprint regime (2000–909 cm–1; 5–11 μm). Design constraints ...
    • Sensing chlorinated hydrocarbons via miniaturized GaAs/AlGaAs thin-film waveguide flow cells coupled to quantum cascade lasers 

      Wissenschaftlicher Artikel
      Haas, Julian; Stach, Robert; Sieger, Markus; Gashi, Zana; Godejohann, Matthias; Mizaikoff, Boris (Universität Ulm, 2016-07-05)
      Mid-infrared (MIR) sensors based on attenuated total reflection (ATR) spectroscopy provide robust, rapid and sensitive platforms for the detection of low levels of organic molecules and pollutants. Nowadays, MIR (3–15 μm) ...
    • Surface enhanced infrared absorption spectroscopy based on gold nanostars and spherical nanoparticles 

      Wissenschaftlicher Artikel
      Bibikova, Olga; Haas, Julian; Popov, Alexey; Ryabchikov, Yury; Kinnunen, Matti; Kabashin, Andrei; Meglinski, Igor; Mizaikoff, Boris; Lopez-Lorente, Angela I. (Universität Ulm, 2017-10-16)
      Plasmonic anisotropic nanoparticles possess a number of hot spots on their surface due to the presence of sharp edges, tips or vertices, leading to a high electric field strength surrounding the nanostructures. In this ...
    • Towards enhanced optical sensor performance: SEIRA and SERS with plasmonic nanostars 

      Wissenschaftlicher Artikel
      Bibikova, Olga; Haas, Julian; López-Lorente, Angela I.; Popov, Alexey; Kinnunen, Matti; Meglinski, Igor; Mizaikoff, Boris (Universität Ulm, 2017-02-08)
      We report the preparation and characterization of plasmonic chip-based systems comprising self-assembled gold nanostars at silicon substrates that enable concomitantly enhanced Raman (surface enhanced Raman spectroscopy; ...
    • Towards enhanced optical sensor performance: SEIRA and SERS with plasmonic nanostars 

      Wissenschaftlicher Artikel
      Bibikova, Olga; Haas, Julian; López-Lorente, Angela I.; Popov, Alexey; Kinnunen, Matti; Meglinski, Igor; izaikoff, Boris (Universität Ulm, 2017-02-08)
      We report the preparation and characterization of plasmonic chip-based systems comprising self-assembled gold nanostars at silicon substrates that enable concomitantly enhanced Raman (surface enhanced Raman spectroscopy; ...