Journal
APPLIED PHYSICS LETTERS
Volume 100, Issue 6, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3684272
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Funding
- Compagnia di San Paolo
- Piedmont Regional Project CIPE PHotonic biOsensors for Early caNcer diagnostICS (PHOENICS)
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The lateral confinement of Bloch surface waves on a patterned multilayer is investigated by means of leakage radiation microscopy (LRM). Arrays of nanometric polymeric waveguides are fabricated on a proper silicon-nitride/silicon-oxide multilayer grown on a standard glass coverslip. By exploiting the functional properties of the polymer, fluorescent proteins are grafted onto the waveguides. A fluorescence LRM analysis of both the direct and the Fourier image plane reveals that a substantial amount of emitted radiation couples into a guided mode and then propagates into the nanometric waveguide. The observations of the mode are supported by numerical simulations. (C) 2012 American Institute of Physics. [doi:10.1063/1.3684272]
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