Abstract
The microbending loss in single-mode or quasi-single-mode fibres is approximately determined from a calculation of the fundamental mode field in a fibre with constant curvature. The result of the microbending loss essentially depends on the spot size of the fundamental mode, only. The approximations are verified by studying a statistical model and by comparing the approximations with exact calculations in the case of W fibres.
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Petermann, K. Fundamental mode microbending loss in graded-index and W fibres. Opt Quant Electron 9, 167–175 (1977). https://doi.org/10.1007/BF00619896
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DOI: https://doi.org/10.1007/BF00619896