The surface testing of aspheric and optical part is especially difficult, which is big scale and high precision.
尤其是大型高精度的非球面光学零件，面形检测难度更大。
An optical testing method of micro-friction and its principle was introduced to characterize the friction properties of material surface under microcosmic conditions.
为了测试微观条件下材料表面的摩擦学性能，给出了一种微摩擦力的光学测试方法。
A method is introduced for testing stray light coefficient, vignetting coefficient and image surface uniformity optical system with large aperture and long focal length.
叙述一种用于测试大口径、长焦距光学系统杂光系数、渐晕系数、像面照度均匀性等光学参数的检测方法。
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