کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6888361 1444923 2018 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Refractive index retrieving of polarization maintaining optical fibers
ترجمه فارسی عنوان
بازتاب نقاط ضعف از قطبش حفظ الیاف نوری
کلمات کلیدی
قطبش حفظ فیبر نوری، تصویر مقطع عرضی، فاز نوری، ضریب شکست، دو تفاضلی پرتو،
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر شبکه های کامپیوتری و ارتباطات
چکیده انگلیسی
In this paper, the cross-section images, of two different types of polarization maintaining (PM) optical fibers, are employed to estimate the optical phase variation due to transverse optical rays passing through these optical fibers. An adaptive algorithm is proposed to recognize the different areas constituting the PM optical fibers cross-sections. These areas are scanned by a transverse beam to calculate the optical paths for given values of refractive indices. Consequently, the optical phases across the PM optical fibers could be recovered. PM optical fiber is immersed in a matching fluid and set in the object arm of Mach-Zehnder interferometer. The produced interferograms are analyzed to extract the optical phases caused by the PM optical fibers. The estimated optical phases could be optimized to be in good coincidence with experimentally extracted ones. This has been achieved through changing of the PM optical fibers refractive indices to retrieve the correct values. The correct refractive indices values are confirmed by getting the best fit between the estimated and the extracted optical phases. The presented approach is a promising one because it provides a quite direct and accurate information about refractive index, birefringence and beat length of PM optical fibers comparing with different techniques handle the same task.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optical Fiber Technology - Volume 40, January 2018, Pages 69-75
نویسندگان
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