Near-field imaging of optical diffraction radiation generated by a 7-GeV electron beam

被引：19

作者：

Lumpkin, A. H. ^{[1
]}

Berg, W. J.

Sereno, N. S.

Rule, D. W.

Yao, C. -Y.

机构：

[1] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA

[2] NSWC, Carderock Div, Bethesda, MD 20817 USA

来源：

PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS | 2007年 / 10卷 / 02期

关键词：

D O I：

10.1103/PhysRevSTAB.10.022802

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We report the first unambiguous demonstration of near-field imaging of optical diffraction radiation (ODR). The source of the ODR was an aluminum metal reflective surface with a 7-GeV electron beam passing nearby its single edge. Because of the high Lorentz factor gamma involved, appreciable ODR is emitted at visible wavelengths even for impact parameters of 1 to 2 mm, so standard imaging techniques were employed. The experimental results are compared to a simple near-field model. We show that the ODR signals are sensitive to both beam size and position. Applications to multi-GeV beams in transport lines in the major synchrotron radiation facilities, x-ray free-electron lasers, energy recovering linacs, and the International Linear Collider are possible.

引用

页数：8

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