We present an innovative spectroscopic method based on coherent optical frequency-
modulated continuous-wave (FMCW) interferometry that can realize multi-point gas …

In this letter, we proposed a method for multipoint gas sensing by using intrapulse
absorption spectroscopy and cascaded, branching gas cells. For methane sensing, a …

In this article, we propose a novel multipoint gas detection scheme based on the
photothermal (PT) effect and interferometer working at different wavelengths. Several fiber …

We present a novel, to the best of our knowledge, multipoint gas-sensing method based on
dispersion spectroscopy using optical frequency-modulated continuous-wave (FMCW) …

The purpose of dynamic monitoring of mineral resources reserves is to grasp the data of
mineral resources reserves mined, lost and held by all mining enterprises nationwide in the …

This work demonstrates the potential application of anti-resonant hollow-core fibers (AR-
HCFs) as efficient sensors to simultaneously monitor three gases: methane, carbon …

Distributed or multipoint gas detection is crucial for several industrial and civil applications.
Due to various losses, the traditional series–parallel method has a restricted number of …

激光吸收光谱(LAS) 技术具有定量性好和操作便捷的优势, 已成为目前最为广泛使用的激光光谱
气体检测技术, 但在许多实际应用中, 传统的LAS 在光程精确测定, 多点气体检测和大动态范围 …

Laser absorption spectroscopy (LAS) has the advantages of accurate quantification and
straightforward operation. It has become the most widely used laser spectroscopic gas …

In this paper, we proposed a novel multi-point gas detection scheme based on the photo-
thermal (PT) effect and optical fiber interferometer. A wavelength scanning laser is employed …