Near-Field and Far-Field Thermal Emission of individual subwavelength-sized resonators

Claire Li (1, 2) , Houssem Kallel (3) , Joris Doumouro (1) , Valentina Krachmalnicoff (1) , Patrick Bouchon (2) , Julien Jaeck (2) , Nathalie Bardou (4) , Karl Joulain (3) , Riad Haïdar (2) , Yannick de Wilde (1)

1 IL - Institut Langevin - Ondes et Images (UMR7587)
2 DOTA, ONERA, Université Paris Saclay (COmUE) [Palaiseau]
3 PPrime [Poitiers] - Institut Pprime [UPR 3346]
4 C2N - Centre de Nanosciences et de Nanotechnologies

We propose a modulation method to record background-free far field FTIR spectra of single sub-λ sized objects which we combine with near-field TRSTM measurements to characterize the thermal emission of plasmonic antennas and silica rods. The fundamental mode of MIM nanoantennas is excited at multiple wavelengths.

Mots clés: Thermal emission; Spectroscopy - modulation; Near-field microscopy

Domaines: Sciences de l'ingénieur [physics]; Physique [physics]

Claire Li, Houssem Kallel, Joris Doumouro, Valentina Krachmalnicoff, Patrick Bouchon, et al.. Near-Field and Far-Field Thermal Emission of individual subwavelength-sized resonators. CLEO: QELS_Fundamental Science 2019, May 2019, San Jose, United States. pp.FTh3C.1, ⟨10.1364/CLEO_QELS.2019.FTh3C.1⟩. ⟨hal-02885813⟩