Laser-based 3D imaging system enables precise detection and quantification of methane leakage

A research team led by Prof. Zhang Zhirong from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences ...
Nature

A selective laser-based sensor for fugitive methane emissions

A mid-infrared laser-based sensor is reported for the quantification of fugitive methane emissions. The sensor is based on a distributed feedback inter-band cascade laser operating near 3.3 μm.
Nature

High-sensitivity dual-comb and cross-comb spectroscopy across the infrared using a widely tunable and free-running optical parametric oscillator

Dual-comb spectroscopy (DCS) has advanced molecular absorption spectroscopy measurements across the infrared spectrum, including gas detection over open paths for environmental monitoring 1,2,3,4,5, ...
EurekAlert!

Neural network improves tunable diode laser absorption spectroscopy quantification accuracy

According to a study published in FUEL recently, a neural network-based absorbance recovery method was developed by a research group led by Prof. GAO Xiaoming and Prof. LIU Kun from the Hefei ...