Locally resonant porous phononic crystal sensor for heavy metals detection: A new approach of highly sensitive liquid sensors

ZA Alrowaili, M Aouassa, MH Mahmoud… - Journal of Molecular …, 2023 - Elsevier
In this research, a novel and highly sensitive phononic crystal (PnC) sensor is presented for
the detection of CdBr 2 concentrations at a low scale (ppm) which is considered a highly …

[HTML][HTML] A fiber-coupled quartz-enhanced photoacoustic sensor for dissolved gas detection

H Zhao, H Zhang, M Hu, M Hu, Y Zhou, J Liang… - Photonics, 2023 - mdpi.com
Detection of dissolved gases in oceans is critically needed for global carbon cycle
investigation. However, most in situ optical detection techniques, as far as we know, have …

Zero-absorption-assisted multitask learning for simultaneous measurement of acetylene concentration and gas pressure from overlap-deformed spectra

H Fan, P Wang, H Zhang, M Hu, C Zhu… - Optics & Laser …, 2024 - Elsevier
Spectral deformation from the overlap of nonconstant impurities, as well as system noises,
has become one of the critical factors that limit the wide applications of tunable diode laser …