A Novel Optical Fiber Gas Sensor for On-line Measurement of Carbon Monoxide

摘要：

Based on analysis of the near infrared spectral absorption of carbon monoxide, a system using absorption type optical fiber for high sensitivity carbon monoxide detection with DFB LD is demonstrated. Light source modulation harmonic measurement is presented in this paper, in order to eliminate the noise, the ratio of the fundamental and second-harmonic signal is used. The mathematical model of gas concentration harmonic measurement is built up and the system is designed.

关键词： near infrared spectral absorption carbon monoxide modulation harmonic measurement

作者: Liu Jin Yue Yan Yang Haima

作者单位: College of Electronic and Electrical Engineering, Shanghai University of Engineering Science, Shangh College of Electronic and Electrical Engineering, Shanghai University of Engineering Science, Shangh School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Techno

会议类型: 国际会议

会议名称: 2009 International Workshop on Information Security and Application(2009 信息安全与应用国际研讨会)

会议地点: 青岛

会议语种:英文

页码: 177-180

在线出版日期: 2009-11-21（万方平台首次上网日期，不代表论文的发表时间）