Abstract: Thermal emitters applied in nondispersive infrared (NDIR) gas sensors can provide high-quality infrared emission, ensuring accurate gas detection. This review summarizes the development of ...

Abstract: A two-component gas sensor based on Quartz-Enhanced Photoacoustic Spectroscopy (QEPAS) and Light-Induced Thermoelastic Spectroscopy (LITES) was realized by the time-division multiplexing ...