Precision magnetic quadrupole lens for a nuclear scanning microprobe based on an EGP-10 electrostatic tandem accelerator

被引：2
|
作者：
Rebrov, V. A.
Ponomarev, A. G.
Magilin, D. V.
Beloshapka, I. A.
Dudnik, A. B.
Abramovich, S. N.
Zavjalov, N. V.
Zvenigorodsky, A. G.
Zimin, E. V.
机构：
[1] Natl Acad Sci Ukraine, Inst Appl Phys, UA-40030 Sumy, Ukraine
[2] Russian Fed Nucl Ctr, Res Inst Expt Phys, VNIIEF, Inst Nucl & Radiat Phys, Sarov 207190, Nizhegorodsk, Russia
来源：
TECHNICAL PHYSICS | 2007年 / 52卷 / 03期
关键词：
07.55.Db; 41.85.Lc;
D O I：
10.1134/S1063784207030140
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Basic ideas underlying the design of a precision magnetic quadrupole lens for a nuclear scanning microprobe with a maximal accelerating voltage of 14 MV are set forth. Four magnetic quadrupoles are combined into doublets. The doublets are placed on adjusted gears, which bring the local coordinate system of each lens into coincidence with the laboratory system related to the axis of the beam. Each lens provides a maximal gradient of the field of 0.68 T/cm, which makes it possible to perform stigmatic focusing of the beam with a working distance of 22 cm. All lenses are nonseparable and made of one piece of high-quality electrical steel. A special lens-feeding unit is designed that provides manual and remote control of pole tip excitation.
引用
收藏
页码：365 / 368
页数：4
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    V. A. Rebrov
    A. G. Ponomarev
    D. V. Magilin
    I. A. Beloshapka
    A. B. Dudnik
    S. N. Abramovich
    N. V. Zavjalov
    A. G. Zvenigorodsky
    E. V. Zimin
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