SB7: the new bending-magnet double-headed dragon beamline at SuperACO

被引：19

作者：

Sirotti, F

Polack, F

Cantin, JL

Sacchi, M

Delaunay, R

Meyer, M

Liberati, M

机构：

[1] MESR, CEA, CNRS, Lab Utilisat Rayonnement Electromagnet, F-91485 Orsay, France

[2] Univ Modena, Dipartimento Fis, APE Project, INFM, I-41100 Modena, Italy

来源：

JOURNAL OF SYNCHROTRON RADIATION | 2000年 / 7卷 / 01期

关键词：

soft X-ray beamlines; circular polarization;

D O I：

10.1107/S0909049599013400

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A new beamline is now operational at LURE, on bending-magnet 7 of the SuperACO storage ring in Orsay. The monochromator is of the 'dragon' type, designed to work in the energy range 150-1500 eV, and is equipped with a double vertical focusing mirror in order to allow for fast switching of light polarization. In this paper the results of photoion-yield experiments performed on N-2, Ar and Ne gases are presented. The observed resonance structures enable us to determine the available energy resolution: a resolving power higher than 8500 is obtained at the Ar 2p, N 1s and Ne K-edges when using all the optical elements at full aperture. The total flux as a function of the measured photon energy resolution and the characterization of the double-head behaviour in delivering circularly polarized light are reported.

引用

页码：5 / 11

页数：7

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