Investigations of the emittance and brightness of ion beams from an electron beam ion source of the Dresden EBIS type

Alexra Silze; Erik Ritter; Günter Zschornack; Andreas Schwan; Falk Ullmann

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Investigations of the emittance and brightness of ion beams from an electron beam ion source of the Dresden EBIS type

机译：研究德累斯顿EBIS型电子束离子源发出的离子束的发射度和亮度

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We have characterized ion beams extracted from the Dresden EBIS-A, a compact room-temperature electron beam ion source (EBIS) with a permanent magnet system for electron beam compression, using a pepper-pot emittance meter. The EBIS-A is the precursor to the Dresden EBIS-SC in which the permanent magnets have been replaced by superconducting solenoids for the use of the source in high-ion-current applications such as heavy-ion cancer therapy. Beam emittance and brightness values were calculated from data sets acquired for a variety of source parameters, in leaky as well as pulsed ion extraction mode. With box shaped pulses of C4+ ions at an energy of 39 keV root mean square emittances of 1–4 mm mrad and a brightness of 10 nA mm−2 mrad−2 were achieved. The results meet the expectations for high quality ion beams generated by an electron beam ion source. © 2010 American Institute of Physics Article Outline INTRODUCTION EXPERIMENTAL SETUP MEASUREMENT OF THE EMITTANCE OF ION BEAMS PROVIDED BY THE DRESDEN EBIS-A CONCLUSION AND OUTLOOK

机译：我们使用胡椒锅发射率计对从德累斯顿EBIS-A（一种紧凑型室温电子束离子源（EBIS），具有用于电子束压缩的永磁系统）提取的离子束进行了表征。 EBIS-A是德累斯顿EBIS-SC的前身，在德累斯顿EBIS-SC中，永磁体已被超导螺线管取代，用于在重离子癌症治疗等高离子电流应用中使用该源。在泄漏和脉冲离子提取模式下，从为各种离子源参数获取的数据集计算出光束的发射率和亮度值。使用能量为39 keV的盒形C4 +离子脉冲，均方根发射率为1-4 mm mrad，亮度为10 nA mm-2 mrad-2 。结果符合电子束离子源产生的高质量离子束的预期。 ©2010美国物理研究所文章大纲引言实验装置由德累斯顿EBIS提供的离子束发射的测量-结论和展望

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来源
《Review of Scientific Instruments》 |2010年第2期|p.1-5|共5页
作者
Alexra Silze; Erik Ritter; Günter Zschornack; Andreas Schwan; Falk Ullmann;
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作者单位

Institut für Angewandte Physik, Technische Universität Dresden, Helmholtzstr. 10, D-01062 Dresden, Germany;

Institut für Angewandte Physik, Technische Universität Dresden, Helmholtzstr. 10, D-01062 Dresden, Germany;

Institut für Angewandte Physik, Technische Universität Dresden, Helmholtzstr. 10, D-01062 Dresden, Germany;

DREEBIT GmbH, Zur Wetterwarte 50, D-01109 Dresden, Germany;

DREEBIT GmbH, Zur Wetterwarte 50, D-01109 Dresden, Germany;

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正文语种 eng
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关键词
electron sources; ion sources; permanent magnets; radiation therapy; solenoids;

机译：电子源;离子源;永磁体;放射治疗;螺线管;

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7. The VUV and soft x-ray free electron laser FLASH (former VUV-FEL) is a user facility at DESY\ud (Hamburg). In order to optimize the performance of the facility, an accurate characterization of the\ud electron beam properties is essential. The transverse projected emittance, one of the important parameters\ud characterizing the quality of an electron beam, is measured using a four monitor method with optical\ud transition radiation monitors. A normalized rms emittance below 2 mmmrad for a 1 nC beam has been\ud measured. In this paper we describe the experimental setup, data analysis methods, and present\ud experimental results. [O] . Loehl, F, Schreiber, S, Castellano, M, 2006

机译：VUV和软X射线自由电子激光器FLASH（以前的VUV-FEL）是DESY \ ud的用户设施（汉堡）。为了优化设施的性能，\ ud的准确表征电子束特性至关重要。横向投影发射率，重要参数之一表征电子束质量的方法是使用具有光学\ ud 过渡辐射监测仪。 1 udC光束的归一化均方根发射率低于2 mmmrad 测量。在本文中，我们描述了实验设置，数据分析方法以及当前\ ud 实验结果。
8. Extraction of a Steady State Electron Beam from HCD (Hollow Cathode Discharge) Plasmas for EBIS (Electron Beam Ion Sources) Applications [R] . Hershcovitch, A., Kovarik, V., Prelec, K. 1988

机译：从HCD（空心阴极放电）等离子体中提取稳态电子束用于EBIs（电子束离子源）应用

Investigations of the emittance and brightness of ion beams from an electron beam ion source of the Dresden EBIS type

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