A Sensitive Carbon Dioxide Sensor Based on Photoacoustic Spectroscopy with a Fixed Wavelength Quantum Cascade Laser

A photoacoustic spectroscopy (PAS) based carbon dioxide (CO(2)) sensor with a fixed wavelength quantum cascade laser (FW-QCL) was demonstrated. The emission wavelength of the FW-QCL at 4.42 μm in the mid-infrared spectral region matched a fundamental CO(2) absorption line. Amplitude modulation of th...

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Vydáno v:Sensors (Basel)
Hlavní autoři: Qiao, Shunda, Qu, Yanchen, Ma, Yufei, He, Ying, Wang, Yao, Hu, Yinqiu, Yu, Xin, Zhang, Zhonghua, Tittel, Frank K.
Médium: Artigo
Jazyk:Inglês
Vydáno: MDPI 2019
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On-line přístup:https://ncbi.nlm.nih.gov/pmc/articles/PMC6806155/
https://ncbi.nlm.nih.gov/pubmed/31561611
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.3390/s19194187
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