Compute the deviation angle from prism refractive index n and apex angle A under the small-angle approximation. For dispersing prisms and beam-steering elements.
输入折射率 n 与棱镜顶角 A(度),求偏向角。
| Item | Standard / Source | Key Point |
|---|---|---|
| Thin-prism deviation | Classic optics (Hecht, Optics, 5th ed.) | δ ≈ (n-1)*A with apex angle A |