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NTIS 바로가기傳感技術學報 = Chinese journal of sensors and actuators, v.16 no.3, 2003년, pp.324 - 327
Wang, Yutian (Institute of Electrical Engineering, Yanshan University) , Liu, Jin (Institute of Electrical Engineering, Yanshan University) , Yang, Haima (Institute of Electrical Engineering, Yanshan University)
An optical fiber gas sensor for methane is described. Based on the principles of methane molecules' near -infrared absorption spectra, a LED is used as a light source and its wavelength modulation is realized by a fiber grating and piezoelectric ceramics(PZT) to obtain modulated narrowband output li...
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