Diffraction Grating Calculator
diffraction grating calculator. Get instant, accurate results. Enter values for instant results with step-by-step formulas.
Reviewed by Manoj Kumar, Mathematics Educator
Reviewed by Manoj Kumar, Mathematics Educator
Formula
dรsin(ฮธ) = mฮป
Relates grating spacing, diffraction angle, order, and wavelength.
Worked Examples
Example 1: Visible light
Problem:ฮป=550nm, 600 lines/mm, m=1
Solution:d=1.667ฮผm, sin(ฮธ)=0.33, ฮธ=19.3ยฐ
Result:ฮธ=19.3ยฐ
Reviewed by Manoj Kumar, Mathematics Educator ยท Editorial policy