| 释义 |
biplate biplate[′bī‚plāt] (optics) Two plates of glass cemented together with a small angle between them, for producing a double image of a slit in interference experiments. Two half-wave plates of doubly refracting material, each cut parallel to its optical axis and cemented together with axes perpendicular; used to detect optical polarization. Also known as Bravais biplate. |