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physics.optics2025
A review of cultural heritage inspection: Toward terahertz from mid-infrared region
Pengfei Zhu, Hai Zhang, Stefano Sfarra +2
This review explores non-invasive imaging (NII) methods covering the mid- and far-infrared to the terahertz spectral regions (up to approximately 1000 um) for the detection and ana…
physics.optics2025
Modeling Terahertz Propagation via Frequency-Domain Physics-Informed Neural Networks
Pengfei Zhu, Hai Zhang, Stefano Sfarra +3
Terahertz time-domain spectroscopy (THz-TDS) provides a non-invasive and label-free method for probing the internal structure and electromagnetic response of materials. Numerical s…