Locke Lord LLP
Graded refractive index bending-resistant multimode optical fiber
A graded refractive index bending-resistant multimode optical fiber includes a core layer and claddings. The core layer has a radius in a range of 20-50 μm; refractive indexes being a graded refractive index distribution with a distribution exponent α in a range of 1.89-1.97; and a maximum relative refractive index difference (RRID) Δ1% max in a range of 0.9%-2.72%. The claddings has an inner cladding surrounding the core layer, an intermediate cladding surrounding the inner cladding and an outer cladding surrounding the inner cladding. The inner cladding has a radius in a range of 22-57 μm, and an RRID Δ2% in a range of −0.02%-0.02%. The intermediate cladding is a pure quartz glass layer, and has a radius in a range of 32-60 μm, and an RRID Δ3% in a range of −0.01%-0.01%.
EVERPRO TECHNOLOGIES COMPANY LTD.
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Song Yongtao Wei Shuqiang Jin Zhipan Mingfeng
Wang Liu Wang Zhang Xu Zhou Fan