کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
743726 894369 2008 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
An optical fiber methane sensing system employing a two-step reference measuring method
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
An optical fiber methane sensing system employing a two-step reference measuring method
چکیده انگلیسی

An optical fiber methane sensing system utilizing a super-luminescent diode (SLD) in the 1.33-μm band and a fiber Fabry–Perot tunable filter (FFP-TF) is developed. A two-step reference measuring method, which is based on differential absorption technique, is employed; a reference channel is introduced to eliminate the fluctuation of the illuminant spectrum, and the reference wavelength acquired by tuning the FFP-TF is introduced to eliminate the environmental influence. The two-step reference measuring method has improved the reliability and stability of the system. A minimum detectable methane concentration of ∼0.3% has been experimentally achieved.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Sensors and Actuators B: Chemical - Volume 133, Issue 1, 28 July 2008, Pages 174–179
نویسندگان
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