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fiber optic
coupling into a MM fiber optic


coupling efficiency of a plane circular light source with a constant luminance on a given aperture injected with a lens into a multimode fiber optic


Caution
Fill in all input cells.
Choose all parameters unit.
All input parameters are positive except x which is negative
Positive direction is according the horizontal arrow in the bottom right of the scheme.

InputValueunit
d
teta
x
fi
dfo
ON
OutputValueUnit
Dto be calculated
xito be calculated
mto be calculated
Cto be calculated
coupling efficiency of a plane circular light source with a constant luminance on a given aperture injected with a lens into a multimode fiber optic
d : light source diameter teta : half aperture of the light source x : distance from the lens to the source fi : effective focal length of the lens dfo : core diameter of the fiber optic ON : numerical aperture of the fiber optic D : minimal clear aperture diameter of the lens xi : distance from the lens to the fiber optic m : magnification C : coupling efficiency

Note
This calculation page can not detect all unrealistic inputs.



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