Dual-beam antiphase method to improve the WMS measurement limit in long-distance methane detection

Wavelength modulation spectroscopy (WMS) with second harmonic detection is an extremely effective technique to detect gases in site ...

Source: Applied Optics - September 14, 2020 Category: Physics Authors: Zhiwen Zhang Jun Chang Jiachen Sun Yiwen Feng Haoran Sun Qinduan Zhang Yongmei Fan Zhifeng Zhang Source Type: research