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physical optics
fraunhofer diffraction


diffraction by a rectangular slit observed in the back focal plane of a lens


Caution
Fill in all cells except one.
Choose all parameters unit.
All parameters are positive

ParameterValueunit
a
fi
lam
t
diffraction by a rectangular slit observed in the back focal plane of a lens
a : slit thickness fi : effective focal length of the lens lam : wavelength t : width of the central bright band of the diffracted pattern in the back focal plane

Note
This calculation page can not detect all unrealistic inputs.



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