In this roadmap article, we have focused on the most recent advances in terahertz (THz)
imaging with particular attention paid to the optimization and miniaturization of the THz …

Probing material properties at surfaces down to the single-particle scale of atoms and
molecules has been achieved, but high-resolution subsurface imaging remains a …

We present an overview of the main techniques for production and processing of graphene
and related materials (GRMs), as well as the key characterization procedures. We adopt …

Hyperbolic materials exhibit sub-diffractional, highly directional, volume-confined polariton
modes. Here we report that hyperbolic phonon polaritons allow for a flat slab of hexagonal …

Nano-FTIR spectroscopy based on Fourier transform infrared near-field spectroscopy allows
for label-free chemical nanocharacterization of organic and inorganic composite surfaces …

We demonstrate Fourier transform infrared nanospectroscopy (nano-FTIR) based on a
scattering-type scanning near-field optical microscope (s-SNOM) equipped with a coherent …

Progress in nanotechnology is enabled by and dependent on the availability of
measurement methods with spatial resolution commensurate with nanomaterials' length …

Infrared nanospectroscopy enables novel possibilities for chemical and structural analysis of
nanocomposites, biomaterials or optoelectronic devices. Here we introduce hyperspectral …

Scattering-type scanning near-field optical microscopy (s-SNOM) and Fourier transform
infrared nanospectroscopy (nano-FTIR) are emerging tools for nanoscale chemical material …

Near-field infrared spectroscopy by elastic scattering of light from a probe tip resolves optical
contrasts in materials at dramatically subwavelength scales across a broad energy range …