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physical optics
transmission grating


angular dispersion of a transmission grating


Caution
Fill in all input cells.
Choose all parameters unit.
ni and nr can be either values or references of glasses from the catalog.
Diffraction order k and angles are algebric.
Angle positive way is counterclockwise according the round arrow in the bottom right of the scheme.

InputValueunit
i
d
lam
k
ni
nr
OutputValueUnit
idto be calculated
didto be calculated
angular dispersion of a transmission grating
i : angle of incidence d : grating pitch lam : wavelength k : diffraction order ni : refraction index of the first medium nr : refraction index of the second medium id : diffraction angle did : angular dispersion ( variation of diffraction angle for a wavelength variation of + 1 nm )

Note
This calculation page can not detect all unrealistic inputs.



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