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Both calculators run independently — change the inputs on either side to compare results.
Optics
Laser Beam Divergence Calculator
Calculate how a laser beam's spot radius grows with propagation distance, accounting for beam quality factor M². Use this when designing laser systems, targeting applications, or evaluating beam collimation quality.
Fill in the required fields to see your result.
Optics
Laser Beam Divergence Calculator
Compute laser beam spot radius at any propagation distance, accounting for beam quality factor M². Use it when planning laser delivery systems, safety exclusion zones, or long-range targeting setups.
Fill in the required fields to see your result.
Key differences
| Laser Beam Divergence Calculator | Laser Beam Divergence Calculator | |
|---|---|---|
| Category | Optics | Optics |
| Inputs required | 4 | 4 |
| Result | Beam Radius at Distance (mm) | Beam Radius at Distance (mm) |
| What it does | Calculate how a laser beam's spot radius grows with propagation distance, accounting for beam quality factor M². Use this when designing laser systems, targeting applications, or evaluating beam collimation quality. | Compute laser beam spot radius at any propagation distance, accounting for beam quality factor M². Use it when planning laser delivery systems, safety exclusion zones, or long-range targeting setups. |