Diffraction Grating Calculator

This Calctown Calculator calculates the the angle for a double slit diffraction grating.

m(order of maxima)

λ(wavelength)

d(slit separation)

θ_i(incident angle)

deg

θ_m(maximum angle)

deg

Click here to view image

where

n = integer (order of maxima or peak)

λ = wavelength of X ray

d = slit separation

θ_i = incident angle

θ_m = maxima angle