A flexible angle compensation method for freeform surface testing based on tip/tilt mirror

2019 ◽  
Vol 444 ◽  
pp. 21-27 ◽  
Author(s):  
Jinming Gao ◽  
Hua Shen ◽  
Jia Li ◽  
Yue Sun ◽  
Xiangqun Cui ◽  
...  
Keyword(s):  
Compensation Method ◽  
Freeform Surface ◽  
Surface Testing

Null Compensator Testing Convex Freeform Surface Mirror with CGH Technology

2013 ◽  
Vol 660 ◽  
pp. 163-166 ◽  
Author(s):  
Zhong Yu Zhang ◽  
Bin Zhi Zhang
Keyword(s):  
Freeform Surface ◽  
Free Form ◽  
Optical Testing ◽  
Main Method ◽  
Precise Position ◽  
Computer Generated Hologram ◽  
Free Form Surface ◽  
Surface Testing

The Computer Generated Hologram（CGH）technique is the main method for optical testing the free form surface .For testing a convex free form surface mirror, a CGH element with the surface testing, interferometer and free form mirror precise position function was designed by use of appropriative software, the testing precision was less than 0.011λ（λ=632.8nm）in RMS value by this means.

scholarly journals Null-screen design for highly freeform surface testing

2020 ◽  
Vol 28 (24) ◽  
pp. 36706
Author(s):  
Daniel Aguirre-Aguirre ◽  
Brenda Villalobos-Mendoza ◽  
Rufino Díaz-Uribe ◽  
Manuel Campos-García
Keyword(s):  
Freeform Surface ◽  
Screen Design ◽  
Surface Testing

Null-Screen design for freeform surface testing

2019 ◽  
Author(s):  
Daniel Aguirre-Aguirre ◽  
Brenda Villalobos-Mendoza ◽  
Rufino Díaz-Uribe ◽  
Manuel Campos-García
Keyword(s):  
Freeform Surface ◽  
Screen Design ◽  
Surface Testing

Current Reduction Method for Dual Active Bridge Converter in Non-linear Dead-time Compensation Method

2020 ◽  
Vol 140 (3) ◽  
pp. 175-183
Author(s):  
Kengo Kawauchi ◽  
Hayato Higa ◽  
Hiroki Watanabe ◽  
Keisuke Kusaka ◽  
Jun-ichi Itoh
Keyword(s):  
Reduction Method ◽  
Dead Time ◽  
Compensation Method ◽  
Dual Active Bridge ◽  
Non Linear ◽  
Dead Time Compensation ◽  
Current Reduction

Automatic compensation method for beam drift in long-distance laser measurement

2020 ◽  
Vol 28 (11) ◽  
pp. 2393-2402
Author(s):  
Bin-he YANG ◽  
◽  
Yin-di CAI ◽  
Zhi-xiang WEN ◽  
Si-ying LING
Keyword(s):  
Compensation Method ◽  
Laser Measurement ◽  
Automatic Compensation ◽  
Long Distance
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