Selection of mandrel wrap mode filters for optical fiber loss measurements
- 1 January 1982
- journal article
- research article
- Published by Taylor & Francis in Fiber and Integrated Optics
- Vol. 4 (1) , 49-66
- https://doi.org/10.1080/01468038208203234
Abstract
A selection criterion for mode filters based on far-field patterns is developed. The criterion is used to select a mandrel wrap filter for 50 μm core diameter, 125 μm outside diameter fibers with δ=1.1%. When cut-back loss measurements were made using the mandrel wrap chosen in this way, loss scaled with length to within ± 0.05 dB/km in three 2-km fibers.Keywords
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