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fiber optic
coupling in a misaligned SM fiber optic


gaussian beam focused by a lens into a laterally shifted single mode fiber optic


Caution
Fill in all input cells.
Choose all parameters unit.
Except dy which is positve, distances are algebric.
Positive direction is according the horizontal arrow in the bottom right of the scheme

InputValueunit
wo
x
lam
fi
wf
dy
T
OutputValueUnit
Cto be calculated
gaussian beam focused by a lens into a laterally shifted single mode fiber optic
wo : waist radius of the incident gaussian beam x : distance from the lens to the waist of the incident gaussian beam lam : wavelength fi : back focal length of the lens wf : mode radius of the fiber optic dy : lateral offset of the fiber optic T : transmission coefficient at the entrance of the fiber optic C : coupling ratio

Note
This calculation page can not detect all unrealistic inputs.



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