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physics.optics2023★ 1 cited
Calibration method for complex permittivity measurements using s-SNOM combining multiple tapping harmonics
Dario Siebenkotten, Bernd Kaestner, Arne Hoehl +1
Scattering-type scanning near-field optical microscopy (s-SNOM) enables sub-diffraction spectroscopy, featuring high sensitivity to small spatial permittivity variations of the sam…
physics.optics2022
Assessment of sub-sampling schemes for compressive nano-FTIR imaging
Selma Metzner, Bernd Kästner, Manuel Marschall +6
Nano-FTIR imaging is a powerful scanning-based technique at nanometer spatial resolution which combines Fourier transform infrared spectroscopy (FTIR) and scattering-type scanning…