Étendue / AΩ Product calculator
Conserved geometrical extent of a beam.
Category: Photonics
Formula: G = π·A·sin²θ
Inputs
| Input | Parameter | Unit | Default |
|---|---|---|---|
| Area | A | mm² | 10 |
| Half-angle | th | ° | 10 |
Result with the default inputs
- Étendue: 0.9473 mm²·sr
Open it with your own values: put each input in the address as a parameter, for example /calculators/etendue-a-omega-product?A=10. A unit other than the listed one goes in <parameter>_unit.
Read more: Wikipedia: Etendue