[HTML][HTML] Sensitivity enhanced NIR photoacoustic CO detection with SF6 promoting vibrational to translational relaxation process
A challenge for slowly relaxing carbon monoxide (CO) molecules detection using
photoacoustic spectroscopy (PAS) is to promote the vibration-translation (VT) relaxation …
photoacoustic spectroscopy (PAS) is to promote the vibration-translation (VT) relaxation …
Non-contact quartz-enhanced photoacoustic spectroscopy
Non-contact quartz-enhanced photoacoustic spectroscopy (NC-QEPAS) was proposed and
developed for trace gas analysis. The NC-QEPAS aims at solving the problem that the …
developed for trace gas analysis. The NC-QEPAS aims at solving the problem that the …
Mid-infrared surface transmitting and detecting quantum cascade device for gas-sensing
We present a bi-functional surface emitting and surface detecting mid-infrared device
applicable for gas-sensing. A distributed feedback ring quantum cascade laser is …
applicable for gas-sensing. A distributed feedback ring quantum cascade laser is …
Application of acoustic micro-resonators in quartz-enhanced photoacoustic spectroscopy for trace gas analysis
During the past 15 years since the first report of quartz enhanced photoacoustic
spectroscopy (QEPAS), QEPAS has become one of the leading optical techniques for trace …
spectroscopy (QEPAS), QEPAS has become one of the leading optical techniques for trace …
Photoacoustic spectroscopy for detection of N2O emitted from combustion of diesel/beef tallow biodiesel/sugarcane diesel and diesel/beef tallow biodiesel blends
FG Linhares, MA Lima, GA Mothe… - Biomass Conversion …, 2019 - Springer
Nitrous oxide (N 2 O) is an important greenhouse gas. Emissions of this gas are generated
by the combustion of fossil fuels, mainly in the transportation sector worldwide. Biofuel is a …
by the combustion of fossil fuels, mainly in the transportation sector worldwide. Biofuel is a …
基于QCL 的红外吸收光谱技术的研究进展
张怀林， 吴涛， 何兴道 - Spectroscopy and Spectral Analysis, 2019 - opticsjournal.net
摘要量子级联激光器作为一种新型的单极型半导体激光器, 其峰值发射波长处于中红外波段(2
5~ 25 μm), 具有功率高, 线宽窄, 响应速率快等传统半导体激光器所没有的独特优势 …
5~ 25 μm), 具有功率高, 线宽窄, 响应速率快等传统半导体激光器所没有的独特优势 …
[HTML][HTML] Ring quantum cascade lasers with grating phase shifts and a light collimating dielectric metamaterial for enhanced infrared spectroscopy
R Szedlak, M Holzbauer, P Reininger… - Vibrational …, 2016 - Elsevier
Brighter and more efficient light sources are desired to further increase the sensitivity of
spectroscopic measurements. Simultaneously, a strong trend towards miniaturization and …
spectroscopic measurements. Simultaneously, a strong trend towards miniaturization and …
Lithium niobate-enhanced laser photoacoustic spectroscopy
In this paper, the photoacoustic spectroscopy technique based on lithium niobate crystals is
initially reported, to our knowledge. A novel dual-cantilever tuning fork structure and new …
initially reported, to our knowledge. A novel dual-cantilever tuning fork structure and new …