Dear Zemax team,
I would like to check the fiber coupling efficiency of my system in dependance of the radius of one of the surfaces.
I am using the FICL operator in the Merit Function and can produce the fiber coupling efficiency plot with a 1D Universal Plot.
This works fine, however I would have to compensate for the focus distance before the fiber to get the correct results. Is there a way to use a Universal plot with a focus distance compensator?
With best regards and many thanks
Markus
Best answer by Sandrine Auriol
Hi Markus
You could use the Marginal Ray Height solve to get the Image Plane at the paraxial focus for example:
If that solution doesn't work, you could either run a tolerancing and check the results. The sensivity analysis can give a good idea of the dependence and can be calculated at more points than the min and max tolerances if you select a 3-term or 5-term polynomial. The software will then fit the coupling vs the toleranced radius by a polynomial. The Monte Carlo can also give a good idea of the distribution.
Otherwise you can write a little ZPL/API program to get those values.
Let us know if you need more information.
Sandrine
Hi Markus
You could use the Marginal Ray Height solve to get the Image Plane at the paraxial focus for example:
If that solution doesn't work, you could either run a tolerancing and check the results. The sensivity analysis can give a good idea of the dependence and can be calculated at more points than the min and max tolerances if you select a 3-term or 5-term polynomial. The software will then fit the coupling vs the toleranced radius by a polynomial. The Monte Carlo can also give a good idea of the distribution.
Otherwise you can write a little ZPL/API program to get those values.
Let us know if you need more information.
Sandrine
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