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Gas sensing

Different gas molecules have different absorption peaks in the infrared spectrum. Using this characteristic (e.g., the absorption peak of CH4 is near 1.6 μm, and that of CO2 is at about 2 μm), the gas can be qualitatively or quantitatively detected and analysed. Since the molecular vibrational energy level is in the near-infrared to mid-infrared band, MHz level spectral linewidth is required. 


Related products:

NL-2000-2MHz 

 

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