抛物面镜的工作原理基于数学中的抛物线概念。抛物线是一个二维的、镜像对称的、开口的U形曲线，而抛物面则是这一概念的三维扩展，通常被称为抛物面体。抛物面体的一个重要特性是，无论入射光线在哪里，平行光线都会在焦点处汇聚。
| Material | BK7,fused silica |
| Minor axis Diameter Tolerance | +0.0/-0.2mm |
| Thickness Tolerance | +/-0.5mm |
| Surface Flatness | λ/10 |
| Surface Quality | 10/5 |
| Parallism | <1' |
| Rear surface | Fine Ground |
| Bevel | 0.2-0.5mmx45° |
| Can be customized as per your need,price is also good | |
