| 单词 | Fresnel rhomb |
| 释义 | Fresnel rhomb [frā`nel `räm] OPTICS A glass rhomb which has an acute angle of about 52°; light which is incident normal to the end of the rhomb undergoes two internal reflections, and if it is initially linearly polarized at an angle of 45° to the plane of incidence, it emerges circularly polarized. |
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