supported by the National Key R&D Program of China(Nos.2016YFD0700101 and 2016YFC0303902);the National Natural Science Foundation of China(Nos.61775079,61627823 and 61307124);the Science and Technology Planning Project of Guangdong Province,China(No.2017A020216011);the Science and Technology Development Program of Jilin Province,China(No.20140307014SF);the Industrial Innovation Program of Jilin Province,China(No.2017C027);Changchun Municipal Science and Technology Bureau,China(No.14KG022)
A dual-gas sensor system is developed for CO and CO_2 detection using a single broadband light source, pyroelectric detectors and time-division multiplexing(TDM) technique. A stepper motor based rotating system and a ...
supported by the National Natural Science Foundation of China(Nos.61627823,61307124 and 11404129);the Science and Technology Department of Jilin Province of China(Nos.20120707 and 20140307014SF);the Changchun Municipal Science and Technology Bureau(No.14KG022);the State Key Laboratory of Integrated Optoelectronics of Jilin University(No.IOSKL2012ZZ12)
Based on direct absorption spectroscopy(DAS), a portable methane(CH_4) detection device was implemented. The device mainly includes a dual-channel non-dispersive infrared sensor(integrated with an infrared light sourc...