Diffraction Grating Calculator
Find diffraction angles for a transmission or reflection grating. Uses the grating equation to determine output angles, angular dispersion, and resolving power for different diffraction orders.
Inputs
Number of grooves illuminated by the beam
Results
Diffraction Angle
-9.79°
Angular Dispersion
0.0349 °/nm
Resolving Power
10,000
Diffraction Grating Results
| Parameter | Value |
|---|---|
| Grating Spacing d | 1.6667 μm (1666.67 nm) |
| Diffraction Angle β | -9.7878° |
| Diffraction Order m | 1 |
| Angular Dispersion | 0.034885 °/nm |
| Resolving Power R | 10,000 |
| Min Δλ | 0.0550 nm |
| Groove Density | 600 lines/mm |
| Grating Equation | mλ = d(sinα + sinβ) |
Frequently Asked Questions
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