Results 211 to 220 of about 2,335 (228)

A comprehensive dual-spectroscopy detection technique based on TDLAS and QEPAS using a quartz tuning fork

Optics and Laser Technology, 2022
Zongliang Wang, Cunwei Tian, Jun Chang
exaly  

Compact, highly sensitive, rapid continuous measurement of carbon dioxide released from fruits and vegetables based on QEPAS and TDLAS dual spectrum multiplexing technology

Optics and lasers in engineering
Juncheng Lu, Qiong Wu, Chongqiu Zhou, Jia Zheng, Wen Liu, Jie Shao   +5 more
semanticscholar   +1 more source

Mid-infrared quasi-distributed carbon monoxide gas sensing based on QEPAS and hollow waveguide

Infrared Physics & Technology
Lei Qi, Weipeng Chen, Shunda Qiao, Jiachen Jiang, Yiwei Shi, Yufei Ma   +5 more
semanticscholar   +1 more source

Wavelength scanning Q-switched fiber-ring laser intra-cavity QEPAS using a standard 32.76 kHz quartz tuning fork for acetylene detection

Optics and Laser Technology, 2021
Fupeng Wang, Jun Chang, Jiachen Sun
exaly  

Improved QEPAS sensor based on quartz tuning fork shell enhancement

Infrared Physics & Technology
Qiannan Cai, Ting Fang, S. Yong, Dingli Xu, Gang Zhang, Q. Ge, Linguang Xu   +6 more
semanticscholar   +1 more source

Qepa Wiñaq

2009
openaire   +1 more source

HCl ppb-level detection based on QEPAS sensor using a low resonance frequency quartz tuning fork

Sensors and Actuators B: Chemical, 2016
Xin Yu, Rui Sun
exaly  

NO2 trace gas monitoring in air using off-beam quartz enhanced photoacoustic spectroscopy (QEPAS) and interference studies towards CO2, H2O and acoustic noise

Sensors and Actuators B: Chemical, 2018
Thomas Rück, Frank-Michael Matysik
exaly  

Real-time monitoring of a chemical reaction through a dual-gas QEPAS sensor

OPTO
Luigi Melchiorre, A. Elefante, M. Giglio, A. Zifarelli, Valeria Villada, P. Patimisco, A. Sampaolo, Marco Grande, V. Spagnolo   +8 more
semanticscholar   +1 more source

光纤耦合的全固态中红外QEPAS光声探测模块

Guangxue Xuebao/Acta Optica Sinica, 2021
exaly