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Publication
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We present the observation of Bloch Surface Waves in the mid-infrared spectral range. A dielectric multi-layer coating made of ZnSe and YbF 3 deposited on a CaF2 substrate is designed and fabricated specifically for that purpose. The structure supports the propagation of surface waves between 6.6 and 10.6 micrometres wavelength. A tunable quantum cascade laser setup is used to characterize the fabricated structure.
Luc Thévenaz, Tobias Kippenberg, Camille Sophie Brès, Junqiu Liu, Hairun Guo, Wenle Weng, Wolfgang Hänsel, Fan Yang
Hatice Altug, Filiz Yesilköy, Andreas Tittl, Aleksandrs Leitis, Mingkai Liu