2 papers
physics.ins-det2025
Detection of Ultra-Trace Heavy metals in Aerosols with pg^m3 Sensitivity Using Filament-Induced Fluorescence Spectroscopy
Yuezheng Wang, Lu Sun, Zhiwenqi An +5
Heavy metal pollution, particularly in the form of airborne aerosols such as lead (Pb), cadmium (Cd), mercury (Hg), and cobalt (Co), poses serious health and environmental risks, n…
physics.optics2025
Intense THz s-SNOM for nonlinearity engineering in nanoscale
Pengfei Qi, Zeliang zhang, Wenqi Qian +6
Terahertz (THz) nonlinear optics offer powerful tools to investigate and manipulate electronic dynamics in condensed matter. Confining high-peak-power THz pulses within near field…