کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1536836 996575 2012 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Demodulation of micro fiber-optic Fabry–Perot interferometer using subcarrier and dual-wavelength method
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد مواد الکترونیکی، نوری و مغناطیسی
پیش نمایش صفحه اول مقاله
Demodulation of micro fiber-optic Fabry–Perot interferometer using subcarrier and dual-wavelength method
چکیده انگلیسی

Subcarrier technology and dual-wavelength demodulation method are combined for tracking the cavity length variation of a micro fiber-optic Fabry–Perot (F–P). Compared with conventional dual-wavelength demodulation method, two operation wavelengths for demodulation are modulated with two different carrier frequencies, respectively, and then injected into optical link connected with the F–P cavity. Light power reflected for the two wavelengths is obtained by interrogating the powers of Fast Fourier Transform (FFT) spectrum at their carrier frequencies. Because the light at the two wavelengths experiences the same optical and electrical routes, measurement deviation resulting from the drift of optical and electrical links can be entirely eliminated.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optics Communications - Volume 285, Issue 6, 15 March 2012, Pages 1087–1090
نویسندگان
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