ACS sensorsSpectrum AnalysisLightHydrogen SulfideLasersCalibration
Cavity-Enhanced Beat Frequency Light-Induced Thermoelastic Spectroscopy Using Differential-Frequency Demodulation.
Hongqiang Fan, Mengpeng Hu, Hui Zhang, Dongqing Zhang, Qiang Wang
Published: 202510.1021/acssensors.5c03615
Abstract
The calibration of the resonant frequency and Q factor of a quartz tuning fork (QTF) in light-induced thermoelastic spectroscopy (LITES) is essential, but time-consuming and disruptive to ongoing measurements. We report on a beat-frequency (BF) metho…
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