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physical optics
reflective grating


relation between incident wave tilt and diffracted wave shift observed in the back focal plane of a lens for a reflective grating in the air


Caution
Fill in all input cells.
Choose all parameters unit.
The medium is supposed to be air or vacuum.
Parameters are positive except k, shift dy and angles which are algebric.
Positive direction and angle positive way are according the arrows in the bottom right of the scheme.

InputValueunit
i
di
d
lam
k
fi
OutputValueUnit
idto be calculated
dyto be calculated
relation between incident  wave tilt and diffracted wave shift observed in the back focal plane of a lens for a reflective grating in the air
i : angle of incidence di : incident wave tilt d : grating pitch lam : wavelength k : diffraction order id : diffraction angle fi : effective focal length of the lens ( fi is positive as the lens is converging ) dy : diffracted wave shift in the back focal plane of the lens

Note
This calculation page can not detect all unrealistic inputs.



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