Comments Nicol prism is a good polarizer, but it is expensive and has a limited field of view(28%). The Glan-Thompson prism 天津大学精仪学院 has a wider angular aperture(40%), but is wasteful of calcite and hence even more expensive. The Glan-Foucault prism has no cement(but a narrow field) and thus is less likely to be damaged at high 天津大学作 power densities 24
6 Comments Nicol prism is a good polarizer, but it is expensive and has a limited field of view (28o ). The Glan-Thompson prism has a wider angular aperture (40o ), but is wasteful of calcite and hence even more expensive. The Glan-Foucault prism has no cement (but a narrow field) and thus is less likely to be damaged at high power densities
(二)偏振分束棱镜 1.渥拉斯顿棱镜( Wollaston prism): 利用两个正交的光轴分解光。材料:冰洲石。 v制作 天津大学精仪学院 原理 v思考 v缺点 天津大学作 = arcsin[(o-nkg小 24
7 1. 渥拉斯顿棱镜（Wollaston prism）： 利用两个正交的光轴分解光。材料：冰洲石。 no ne （二）偏振分束棱镜 q (n n )tgq = 0 − e arcsin 制作 原理 思考 缺点