The off‐axis integrated cavity output spectroscopy (OA‐ICOS) represents a suitable solution
in many applications with a simple structure and high sensitivity. The off‐axis configuration …

In this review article, the main techniques for spectroscopic studies of gases in field
conditions are considered. The issues related to the study of gas emissions from soils and …

A trace gas sensing technique of light-induced off-axis cavity-enhanced thermoelastic
spectroscopy (OA-CETES) in the near-infrared was demonstrated by combing a high-finesse …

In this article, a compact dual-laser sensor based on an off-axis integrated-cavity output
spectroscopy and time-division multiplexing method is reported. A complete dual-channel …

We demonstrated a novel multi-input multi-output (MIMO) laser-to-cavity coupling scheme in
off-axis integrated cavity output spectroscopy (OA-ICOS) for cavity mode noise suppression …

摘要以2 μm 窄线宽分布式反馈(DFB) 激光器为光源, 搭建了一套新型V 形结构离轴积分腔吸收
光谱实验装置. 利用LightTools 光学仿真软件对实验光路进行模拟仿真和优化分析, 获得了V …

An opposite two-way off-axis cavity-enhanced absorption spectroscopy-based multi-gas
sensor is reported. More than two lasers can be employed in the sensor for simultaneous …

Trace gas measurement has a wide range of applications needed in industrial, medical, and
environmental protection. With the evolution of time, the demand for real-time, sensitivity …

摘要离轴积分腔输出光谱(OA-ICOS) 技术具备灵敏度高和环境鲁棒性强等优点.
引入再入射方法后, OA-ICOS 的信号功率得到有效提升, 缓解了探测灵敏度高度依赖光源功率的 …

Off-axis integrated cavity output spectroscopy (OA-ICOS)-based gas sensor is widely used in
industry, environment and other fields due to its advantages of high sensitivity, good …