The intrinsic linewidth of Surface Plasmon Polariton resonance in a micrometric metal mesh has been measured with a collimated mid-infrared beam, provided by an External-Cavity, tunable Quantum Cascade Laser. The use of a collimated beam yields a resonance linewidth of 12 cm-1, much narrower than by conventional black-body sources. This opens more favorable perspectives to the use of metal meshes as sensors and detectors. © 2013 IEEE.
Intrinsic linewidth of the Fano resonance in a micrometric metal mesh / BALDASSARRE, Leonetta; ORTOLANI, MICHELE; NUCARA, Alessandro; MASELLI, Paola; A., Di Gaspare; GILIBERTI, VALERIA; CALVANI, Paolo. - (2013), pp. 1-2. ((Intervento presentato al convegno 2013 38th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2013 tenutosi a Mainz; Germany nel 1 September 2013 through 6 September 2013 [10.1109/irmmw-thz.2013.6665677].