Automatic alignment of a Kirkpatrick-Baez active optic by use of a soft-x-ray Hartmann wavefront sensor

被引：32

作者：

Mercère, P

Idir, M

Moreno, T

Cauchon, G

Dovillaire, G

Levecq, X

Couvet, L

Bucourt, S

Zeitoun, P

机构：

[1] Synchrotron SOLEIL, F-91192 Gif Sur Yvette, France

[2] Imagine Opt, F-91400 Orsay, France

[3] Ecole Polytech, ENSTA, CNRS, Lab Opt Appliquee, F-91761 Palaiseau, France

来源：

OPTICS LETTERS | 2006年 / 31卷 / 02期

关键词：

D O I：

10.1364/OL.31.000199

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present what we believe to be the first automatic alignment of a synchrotron beamline by the Hartmann technique. Experiments were performed, in the soft-x-ray range (E = 3 keV, lambda = 0.414 nm), by using a four-actuator Kirkpatrick-Baez (YB) active optic. A system imaging the KB focal spot and a soft-x-ray Hartmann wavefront sensor were used alternatively to control the KB optic. The beam corrected with the help of the imaging system was used to calibrate the wavefront sensor. With both closed loops, we focused the beam into a 6.8 mu m X 9 mu m FWHM focal spot. (c) 2006 Optical Society of America.

引用

页码：199 / 201

页数：3

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