Quantitative Gas Spectroscopy in the 220 to 330 GHz Frequency Band Utilizing a Microelectronic Spectrometer

被引：1
|
作者：
Wilke, Ingrid [1 ]
Rice, Timothy E. [3 ]
Mansha, M. Waleed [2 ]
Chowdhury, M. A. Z. [3 ]
Hella, Mona M. [2 ]
Oehlschlaeger, Matthew A. [3 ]
机构：
[1] Rensselaer Polytech Inst, Dept Phys Appl Phys & Astron, Troy, NY 12180 USA
[2] Rensselaer Polytech Inst, Dept Elect & Comp Syst Engn, Troy, NY 12180 USA
[3] Rensselaer Polytech Inst, Dept Mech & Aeronaut Engn, Troy, NY 12180 USA
来源：
2022 47TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ 2022) | 2022年
关键词：
D O I：
10.1109/IRMMW-THz50927.2022.9895905
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The development of electronic THz wave rotational absorption spectroscopy for quantitative gas sensing and its experimental validation is reported. The implementation of a THz wave spectrometer operating in the 220 to 330 GHz frequency band using state-of-the-art electronic THz wave radiation sources and detectors is described. The novel system technology for THz wave gas phase spectroscopy is validated by the detection of a broad range of relevant volatile organic compounds, nitrogen compounds, halogenated hydrocarbons, and commercial refrigerants. The sensitivity of the spectrometer meets gas species detection limits set by, e.g. occupational health and safety standards. The large bandwidth (220 to 330 GHz), high frequency resolution (0.5 MHz), and rapid frequency scanning (160 GHz/s) of the spectrometer enables the important analysis of gas mixtures.
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页数：2
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