Diffraction Grating Calculator
Calculate diffraction angles for each order using d sin(θ) = mλ. Find the maximum observable order and angular dispersion.
Inputs
nm
lines/mm
Results
Diffraction Angle
19.269
Grating Spacing1.67 μm
Max Observable Order3
Angular Dispersion635,606.06 rad/m
How to Use This Calculator
- Enter Wavelength, Grating Lines, and Diffraction Order (m).
- Review the Diffraction Angle (°) result.
- Use Grating Spacing (μm) and Max Observable Order to inform your decision.
- Use the chart to visualize the results and explore different scenarios by adjusting inputs.
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