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elliptical beam shaping


combination of a cylindrical lens and a cylindrical afocal system for anamorphosing an elliptical beam


Caution
Fill in all input cells.
Choose all parameters unit.
Distances are algebric.
Positive direction is according the horizontal arrow in the bottom right of the scheme.
It is assumed that the combination of lenses working in the vertical plane is an afocal system and that the waist of the incident beam is in the front focal plane of the first lens working in the vertical plane. Consequently, the waist of the refracted beam is in the back focal plane of the second lens working in the vertical plane.

InputValueunit
wh
wv
lam
w2
xh
OutputValueUnit
fihto be calculated
fi1vto be calculated
fi2vto be calculated
eto be calculated
combination of a cylindrical lens and a cylindrical afocal system for anamorphosing an elliptical beam
wh : half width of the incident beam waist in the horizontal plane wv : half width of the incident beam waist in the vertical plane lam : wavelength w2 : waist radius of the desired refracted circular beam xh : distance from the lens working in the horizontal plane to the waist of the incident elliptical beam fih : effective focal length of the lens working in the horizontal plane fi1v : effective focal length of the first lens of the afocal system working in the vertical plane fi2v : effective focal length of the second lens of the afocal system working in the vertical plane e : distance between the waists of incident and refracted beams

Note
This calculation page can not detect all unrealistic inputs.



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