scholarly journals Experimental-based comparison between off-axis integrated cavity output spectroscopy and multipass-assisted wavelength modulation spectroscopy at 77 µm

OSA Continuum ◽  
2019 ◽  
Vol 2 (9) ◽  
pp. 2667
Author(s):  
Faisal Nadeem ◽  
Julien Mandon ◽  
Simona M. Cristescu ◽  
Amir Khodabakhsh ◽  
Frans J. M. Harren
Keyword(s):  
Wavelength Modulation Spectroscopy ◽  
Wavelength Modulation ◽  
Modulation Spectroscopy ◽  
Cavity Output

A near-infrared C2H2/CH4 dual-gas sensor system combining off-axis integrated-cavity output spectroscopy and frequency-division-multiplexing-based wavelength modulation spectroscopy

The Analyst ◽  
2019 ◽  
Vol 144 (6) ◽  
pp. 2003-2010 ◽  
Author(s):  
Kaiyuan Zheng ◽  
Chuantao Zheng ◽  
Dan Yao ◽  
Lien Hu ◽  
Zidi Liu ◽  
...  
Keyword(s):  
Near Infrared ◽  
High Sensitivity ◽  
Dynamic Measurement ◽  
Wavelength Modulation Spectroscopy ◽  
Wavelength Modulation ◽  
Frequency Division ◽  
Modulation Spectroscopy ◽  
Cavity Output ◽  
High Finesse ◽  
High Finesse Cavity

A near-infrared C2H2/CH4 sensor was demonstrated utilizing a miniaturized high finesse cavity with high sensitivity and remarkable dynamic measurement performance.

Mid-infrared ChG-on-MgF2 waveguide gas sensor based on wavelength modulation spectroscopy

2021 ◽  
Author(s):  
Mingquan Pi ◽  
Chuantao Zheng ◽  
Huan Zhao ◽  
Zihang Peng ◽  
Jiaming Lang ◽  
...  
Keyword(s):  
Gas Sensor ◽  
Wavelength Modulation Spectroscopy ◽  
Wavelength Modulation ◽  
Mid Infrared ◽  
Modulation Spectroscopy
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