Wavefront Curvature Sensing Based on Diffraction Grating and Fractional Fourier Transforms

被引：0
|
作者：
Banghe Zhu
Akira Shirakawa
Mitsuru Musha
Ken-ichi Ueda
Kevin D. Cole
机构：
[1] University of Electro-communications,Institute for Laser Science
[2] University of Nebraska-Lincoln,Dept. of Mechanical Engineering, N104 Walter Scott Engineering Center
来源：
Optical Review | 2004年 / 11卷
关键词：
adaptive optics; diffraction and gratings; optical sensing; fractional Fourier transforms;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We propose a new concept for wavefront curvature sensing, which is based on diffraction grating and fractional Fourier transforms systems. An explicit formula is derived expressing the wavefront curvature, and the wavefront shape can also be retrieved rapidly. The experimental setup is presented and numerical simulations show the validity of the proposed method.
引用
收藏
页码：344 / 347
页数：3
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