Globally, there is active development of photonic sensors incorporating multidisciplinary
research. The ultimate objective is to develop small, low-cost, sensitive, selective, quick …

The decomposed components analysis (DCA) is highly valued for potential faults diagnosis
in SF 6 gas-insulated power equipment (GIE). The current method and technology for …

At the present time, there are major concerns regarding global warming and the possible
catastrophic influence of greenhouse gases on climate change has spurred the research …

Dual-comb spectroscopy (DCS) has revolutionized optical spectroscopy by providing
broadband spectral measurements with unprecedented resolution and fast response …

We report the development of a mid-infrared fiber-coupled laser absorption sensor for in situ
and simultaneous detection of NH 3 and NO, which is suitable for flue gas monitoring at the …

Photoacoustic cell is an essential core component in a photoacoustic spectroscopy (PAS)
gas sensing system, which is used to enhance and measure the absorption-induced …

A photothermal gas sensor has been developed for simultaneous multi-species detection in
a hollow-core fiber based on the frequency-division multiplexing technique. By passing …

We demonstrate a robust and miniaturized fiber Fabry-Perot cavity-based sensor for
photothermal spectroscopic signal retrieval. The proof-of-concept experiment involved the …

Photothermal interferometry (PTI) spectroscopy is a background-free and ultrasensitive gas
or chemical sensing method. To date, most works have focused on applying different …

Light-induced thermoelastic spectroscopy (LITES) is a promising optical approach for gas
sensing, which uses a quartz tuning fork (QTF) as a photothermal detector, instead of a …