Closed-loop adaptive optical system for laser beam control

被引：2
|
作者：
Kudryashov, A [1 ]
Rukosuev, A [1 ]
Alexandrov, A [1 ]
Zavalova, V [1 ]
Samarkin, V [1 ]
机构：
[1] Russian Acad Sci, IPLIT, Adapt Opt Ind & Med Applicat Grp, Moscow 117333, Russia
来源：
LASER RESONATORS IV | 2001年 / 4270卷
关键词：
active corrector; wavefront sensor; laser beam control;
D O I：
10.1117/12.424676
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper discusses the novel adaptive optical closed loop system with bimorph mirror as a wavefront corrector and Shack-Hartmann wavefront sensor to compensate for the aberrations of the laser beam occurred during the distribution of the beam from laser to processed material. Adaptive system can correct for the low-order aberrations in the real-time - the frequency of corrected aberrations is less then 25 (30) Hz. The amplitude of such aberrations - about 7 microns. These parameters are mostly determined by utilized Shack-Hartmann wavefront sensor. Number of corrected aberrations - up to 15(th) Zernike polynomial (excluding tip-tilt).
引用
收藏
页码：37 / 44
页数：8
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