光学学报, 2018, 38 (4): 0412002, 网络出版: 2018-07-10
多步相移中被测件径向相移不均匀引入误差比较及校正 下载: 930次
Comparison and Correction of Errors Caused by Radial Phase-Shifting Nonuniformity of Test Optics in Multi-Step Phase-Shifting
图 & 表
图 2. 被测件径向相移不均匀引入误差示意图
Fig. 2. Schematic of error caused by radial phase-shifting nonuniformity of optical element to be tested
图 3. 相移一步引入的移相误差随被测件径向归一化距离的变化关系
Fig. 3. Relation of phase-shifting error with normalized radial distance when shifting one step
图 4. R/D=3.3时各算法因径向相移不均匀引入的面形检测误差。(a) 5A和5B; (b) 6A和6B; (c) 7A和7B; (d) 13A和13B
Fig. 4. Figure errors caused by radial phase-shifting nonuniformity of different algorithms when R/D=3.3. (a) 5A and 5B; (b) 6A and 6B; (c) 7A and 7B; (d) 13A and 13B
表 1不同R/D值及算法下径向相移不均匀引入误差的PV值
Table1. PV values of figure errors caused by radial phase-shifting nonuniformity with different R/D values and algorithms
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表 2经二次多项式校正后的残余误差PV值
Table2. PV values of residual errors after quadratic polynomial correction
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高芬, 倪晋平, 李兵, 田爱玲. 多步相移中被测件径向相移不均匀引入误差比较及校正[J]. 光学学报, 2018, 38(4): 0412002. Fen Gao, Jinping Ni, Bing Li, Ailing Tian. Comparison and Correction of Errors Caused by Radial Phase-Shifting Nonuniformity of Test Optics in Multi-Step Phase-Shifting[J]. Acta Optica Sinica, 2018, 38(4): 0412002.