The new design of magnetic quadrupole lens doublet manufactured from a single piece

被引：25
|
作者：
Rebrov, V. A.
Ponomarev, A. G. [1 ]
Palchik, V. K.
Melnik, N. G.
机构：
[1] Natl Acad Sci Ukraine, Inst Appl Phys, Sumy, Ukraine
[2] State Sci Prod Plant Assoc Kommunar, Kharkov, Ukraine
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2007年 / 260卷 / 01期
关键词：
magnetic quadrupole lens doublet; probeforming system; parasitic field contamination;
D O I：
10.1016/j.nimb.2007.01.275
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The new magnetic quadrupole lens doublet has been made from a single piece of soft iron by spark erosion ("wire cutting") process. The geometric coordinate systems of the lenses coincided to an accuracy of a few microns provided by a AGIE company's electrical-discharge machining systems (www.agie.com). One of the objectives of the experiments was to determine the accuracy of alignment of the axes in the lens doublet. For this purpose the technique of field reconstruction was used which also permitted parasitic sextuple and octuple lens fields to be determined. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：34 / 38
页数：5
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