Angular tolerance of Shack-Hartmann wavefront sensors with microaxicons

被引：23
|
作者：
Grunwald, Ruediger
Huferath, Silke
Bock, Martin
Neumann, Uwe
Langer, Stefan
机构：
[1] Max Born Inst Nichtlineare Opt & Kurzzeitspektros, D-12489 Berlin, Germany
[2] Bremen Inst Appl Beam Technol, D-28359 Bremen, Germany
来源：
OPTICS LETTERS | 2007年 / 32卷 / 11期
关键词：
D O I：
10.1364/OL.32.001533
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Wavefront sensing under nonparaxial conditions was studied with Shack-Hartmann setups based on arrays of microaxicons. The robustness of the generated pseudonondiffracting subbeams against tilt and axial displacement was demonstrated for ultraflat Gaussian- and inverse-Gaussian-shaped elements in transmission and reflection. To characterize slight aberrations and to identify optimum parameter fields, spatial moments of intensity profiles were analyzed with high sensitivity. Reflective design enables for wavefront sensing at oblique incidence as necessary for low-feedback detection and phase diagnostics of ultrashort pulses. (C) 2007 Optical Society of America
引用
收藏
页码：1533 / 1535
页数：3
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