Design and characterization of long path absorption cell and digital lock-in amplifier for...

Designing an optical gas chamber with stepped structure for non-dispersive infrared methane gas sensor

J Shi, Y Jiang, Z Duan, J Li, Z Yuan, H Tai - Sensors and Actuators A …, 2024 - Elsevier
Compared to traditional semiconductor and electrochemistry gas sensors, the non-
dispersive infrared (NDIR) gas detection technology presents notable advantages in terms …
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