a diffraction grating ruled on a concave mirror surface, which collimates and focuses incident light.
| 单词 | θ76391 |
| 释义 | the world > matter > physics > electromagnetic radiation > light > diffraction > [noun] > apparatus (2) Rowland grating1882 a diffraction grating ruled on a concave mirror surface, which collimates and focuses incident light. Subcategories:— error in (1) |
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