Vapor axial deposition single-mode fibers with ultimate low-core eccentricity

Miyamoto, M.; Uehara, T.; Seto, Kunisato; Yamauchi, R.; Wada, Akira; Fukuda, Osamu; Inada, K.

doi:10.1364/ofc.1987.mc2

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Splice Loss Factor Analysis1

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1989

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“…For single-mode fiber splicing without core axis alignment, the premises should be that core eccentricities are small [7]. A discharge duration should be long, to facilitate the self core aligning effect [8] by the surface tension.…”

Section: Splice Loss Factor Analysismentioning

confidence: 99%

Loss factors analysis for single-mode fiber splicing without care axis alignment

Ishikura

Kato

Ooyanagi

et al. 1989

J. Lightwave Technol.

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Optimum splice condition is clarified in single-mode fiber splicing without core axis alignment by analyzing loss factors quantitatively. Dominant splice loss factors are core deformation caused by fiber axis discrepancy and core axis misalignment caused by core eccentricity. To suppress average splice loss to less than 0.1 dB, average core eccentricity suppression to less than 0.35 pm is necessary. A new method for setting fiber endface gaps accurately and quickly is proposed. This method helps to realize the optimum condition easily. An average splice loss of 0.012 dB is achieved by a new splice machine, manufactured and based on the fiber endface setting method.

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Section: Splice Loss Factor Analysismentioning

confidence: 99%