Null test of large convex aspheres by subaperture stitching with replaceable holograms

2020 ◽  
Vol 466 ◽  
pp. 125665
Author(s):  
Weiwei Chen ◽  
Shanyong Chen ◽  
Guipeng Tie ◽  
Shuai Xue
Keyword(s):  
Subaperture Stitching

An automated subaperture stitching interferometer workstation for spherical and aspherical surfaces

2003 ◽  
Author(s):  
Jon Fleig ◽  
Paul Dumas ◽  
Paul E. Murphy ◽  
Greg W. Forbes
Keyword(s):  
Subaperture Stitching

Approach to Accuracy Evaluation for Subaperture Stitching Interferometry

2008 ◽  
Vol 28 (5) ◽  
pp. 883-888
Author(s):  
陈善勇 Chen Shanyong ◽  
戴一帆 Dai Yifan ◽  
解旭辉 Xie Xuhui ◽  
丁凌艳 Ding Lingyan
Keyword(s):  
Accuracy Evaluation ◽  
Subaperture Stitching

Measurement System of Optical Homogeneity of Large-Size Optical Material Based on Subaperture Stitching Technique

2012 ◽  
Vol 32 (4) ◽  
pp. 0412002
Author(s):  
徐新华 Xu Xinhua ◽  
王青 Wang Qing ◽  
宋波 Song Bo ◽  
傅英 Fu Ying
Keyword(s):  
Measurement System ◽  
Optical Material ◽  
Optical Homogeneity ◽  
Large Size ◽  
Subaperture Stitching

Mechanical error compensation algorithm for subaperture stitching interferometry

2015 ◽  
Vol 23 (4) ◽  
pp. 934-940
Author(s):  
张敏 ZHANG Min ◽  
隋永新 SUI Yong-xin ◽  
杨怀江 YANG Huai-jiang
Keyword(s):  
Error Compensation ◽  
Compensation Algorithm ◽  
Subaperture Stitching

Rapid adjustment and measurement for subaperture stitching interferometry

2017 ◽  
Vol 25 (10) ◽  
pp. 2682-2688
Author(s):  
郭福东 GUO Fu-dong ◽  
唐 锋 TANG Feng ◽  
卢云君 LU Yun-jun ◽  
王向朝 WANG Xiang-zhao
Keyword(s):  
Rapid Adjustment ◽  
Subaperture Stitching

scholarly journals Absolute distance interferometry for subaperture stitching of large freeform optics

2020 ◽  
Vol 238 ◽  
pp. 06011
Author(s):  
Jan Spichtinger ◽  
Michael Schulz ◽  
Gerd Ehret
Keyword(s):  
Measurement System ◽  
Optical Axis ◽  
Distance Measurement ◽  
Fizeau Interferometer ◽  
Absolute Distance ◽  
Local Surface ◽  
Surface Gradient ◽  
Freeform Optics ◽  
The Absolute ◽  
Subaperture Stitching

We are developing a form measurement system for the surfaces of freeform optics and large conventional optics. The specifications of the optics are diameters up to 1.5 m and radii of curvature down to 10 m. This includes optics like telescope mirror segments and synchrotron optics. Using a Fizeau interferometer, we propose a subaperture stitching method that involves vertically aligning the interferometer’s optical axis to the local surface gradient and measuring the absolute distance from the interferometer’s reference flat to the specimen. Experimental results for the absolute distance measurement are shown.

Efficient subaperture stitching method for measurement of large area microstructured topography

2020 ◽  
Vol 127 ◽  
pp. 105974 ◽  
Author(s):  
Shanyong Chen ◽  
Wenwen Lu ◽  
Weiwei Chen ◽  
Guipeng Tie
Keyword(s):  
Large Area ◽  
Subaperture Stitching
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