Fibre attenuator manufactured with granulated oxides
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A cobalt doped fibre with a flat spectral attenuation between 1250 and 1610 nm is manufactured with the technique of granulated oxides. With a dopant concentration of 0.5 at % Co2+ and 10 at % Al3+ an average attenuation of 0.95 dB/cm between 1250 and 1610 nm is achieved. The spectral attenuation varies by ±3.6%.
PACS numbers42.70.-a 42.70.Ce 42.79.-e 42.81.Bm 42.81.Cn 42.81.Dp
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