Broadband infrared vibrational nano-spectroscopy using thermal blackbody radiation.

Abstract

Infrared vibrational nano-spectroscopy based on scattering scanning near-field optical microscopy (s-SNOM) provides intrinsic chemical specificity with nanometer spatial resolution. Here we use incoherent infrared radiation from a 1400 K thermal blackbody emitter for broadband infrared (IR) nano-spectroscopy. With optimized interferometric heterodyne signal… (More)
DOI: 10.1364/OE.23.032063

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