Portable Terahertz/Millimeter-Wave Spectrometer Based on SiGe BiCMOS Technology for Gas Sensing Applications

被引：1
|
作者：
Rothbart, Nick [1 ,2 ]
Schmalz, Klaus [3 ]
Huebers, Heinz-Wilhelm [1 ,2 ]
机构：
[1] German Aerosp Ctr DLR, Inst Opt Sensor Syst, Berlin, Germany
[2] Humboldt Univ, Dept Phys, Berlin, Germany
[3] IHP Leibniz Inst Innovat Mikroelekt, Frankfurt, Oder, Germany
来源：
2020 45TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) | 2020年
关键词：
MILLIMETER;
D O I：
10.1109/IRMMW-THZ46771.2020.9370917
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：
We present a compact 45 x 60 cm(2) breadboard gas sensor system based on 220 to 270 GHz SiGe BiCMOS transmitter and receiver chips and a circular multi-pass gas absorption cell. To demonstrate sensitive gas detection capabilities, we measured gas mixtures of acetaldehyde and air with different concentration ratios. From that, we derive a detection limit of 20 ppm/root Hz for acetaldehyde.
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页数：2
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