most citedHigh-Accuracy Material Classification via Reference-Free Terahertz Spectroscopy: Revisiting Spectral Referencing and Feature Selection

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physics.optics2026

Terahertz-driven four-wave mixing at glass surfaces: Probing vibrational resonances and structural regimes

Mathias Hedegaard Kristensen, Jérôme Degert, Theo Guillaume +3

Disordered materials such as glasses exhibit complex structural dynamics that are challenging to probe with conventional spectroscopies. We demonstrate that terahertz-driven four-w…

physics.optics2025★ 2 cited

Broadband Two-Dimensional Far-Field Beam Profiling of Commercial CW Terahertz Photomixers from 0.2 to 1.5 THz

Mathias Hedegaard Kristensen, Esben Skovsen

We present a systematic far-field characterization of four commercial PIN diode terahertz photomixers over the 0.2-1.5 THz frequency range using a two-dimensional (2D) raster scann…