کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1482411 1510511 2009 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A large core microstructured fluoride glass optical fibre for mid-infrared single-mode transmission
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
A large core microstructured fluoride glass optical fibre for mid-infrared single-mode transmission
چکیده انگلیسی
A microstructured optical fibre based on an alumino-zirco-chloro-fluoride glass has been fabricated in which the light-guiding structure comprises a single ring of air-holes, machined directly into the preform rod using an ultrasonic drill around a large effective solid core. The objective was single-moded transmission of longer mid-infrared wavelengths at high laser power without causing radiation damage to the fibre material. It has been demonstrated that this fibre preserves high laser beam quality and can transmit wavelengths between 2.1 and 4.7 μm, single-moded in an effective core of diameter 79 μm. Optical fibre transmission losses from 1.4 to 10.3 dB m−1 have been measured over this wavelength range. No damage was observed in the fibre at peak pulse power, setting a lower limit of >1 GW cm−2 for the laser damage threshold. Brightness was preserved at wavelengths longer than 4 μm.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Non-Crystalline Solids - Volume 355, Issues 28–30, 15 August 2009, Pages 1461-1467
نویسندگان
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