Fiber Splice Loss calculator

Insertion loss from transverse, longitudinal and angular SMF misalignment.

Category: Fiber Optics

Formula: Lossdb from gaussian-mode overlap of MFD

Inputs

InputParameterUnitDefault
Mode field radiuswµm5.2
Transverse offsetxµm1
Long. gapzµm5
Angular tiltthdeg0.5
λlamnm1550

Result with the default inputs

  • Transmission: 95.359 %
  • Loss: 0.206 dB

Open it with your own values: put each input in the address as a parameter, for example /calculators/fiber-splice-loss?w=5.2. A unit other than the listed one goes in <parameter>_unit.

Read more: Wikipedia: Fusion splicing

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