Fiber Bragg Gratings in Small-Core Ge-Doped Photonic Crystal Fibers |
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| Authors: | Yiping Wang Hartmut Bartelt Wolfgang Ecke Reinhardt Willsch Jens Kobelke Michael Kautz Sven Brueckner Manfred Rothhardt |
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| Affiliation: | 1. Institute of Photonie Technology, Albert- Einstein-Str. 9, 07745 Jena, Germany and State Key Lab of Advanced Optical Communication Systems and Networks, Shanghai Jiaotung University, Shanghai, 200240, China
2. Institute of Photonic Technology, Albert-Einstein-Str. 9, 07745 Jena, Germany |
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| Abstract: | This paper reports fiber Bragg gratings (FBGs) inscribed in a small-core Ge-doped photonic crystal fibers with a UV laser and a Talbot inter-ferometer. The responses of such FBGs to temper-ature, strain, bending, and transverse-loading were systematically investigated. The Bragg wavelength of the FBGs shifts toward longer wavelengths with increasing temperature, tensile strain, and trans-verse-loading. The bending and transverse- loading properties of the FBGs are sensitive to the fiber orientations. |
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| Keywords: | Fiber Bragg gratings photonic crystal fibers optical fiber sensors |
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