Quadrupole lenses on the basis of permanent magnets for a PRIOR proton microscope prototype

A. V. Kantsyrev; Vl. S. Skachkov; V. A. Panyushkin; A. A. Golubev; A. V. Bogdanov; A. V. Bakhmutova; E. M. Ladygina; N. V. Markov; O. S. Sergeeva; Vic. S. Skachkov; A. I. Semennikov; V. I. Turtikov; D. V. Varentsov; L. M. Shestov; M. E. Rodionova; M. Endres; P. M. Lang; D. H. H. Hoffmann; S. Udrea

doi:10.1134/S0020441216040072

Quadrupole lenses on the basis of permanent magnets for a PRIOR proton microscope prototype

作者: Kantsyrev A.V.¹^,2, Skachkov V.S.¹, Panyushkin V.A.¹, Golubev A.A.¹^,2, Bogdanov A.V.¹, Bakhmutova A.V.¹, Ladygina E.M.¹, Markov N.V.¹, Sergeeva O.S.¹, Skachkov V.S.¹, Semennikov A.I.¹, Turtikov V.I.¹^,3, Varentsov D.V.⁴, Shestov L.M.⁴^,5, Rodionova M.E.⁴^,5, Endres M.⁴^,5, Lang P.M.⁴^,5, Hoffmann D.H.²^,5, Udrea S.⁵
隶属关系:
1. State Scientific Center of the Russian Federation, Institute of Theoretical and Experimental Physics
2. National Research Nuclear University MEPhI
3. Noncommercial Organization Foundation for Development of the Center for Elaboration and Commercialization of New Technologies, (Foundation Skolkovo), Krasnopresnenskaya nab. 12
4. GSI Helmholtzzentrum für Schwerionenforschung
5. Technical University of Darmstadt
期: 卷 59, 编号 5 (2016)
页面: 712-723
栏目: General Experimental Techniques
URL: https://ogarev-online.ru/0020-4412/article/view/159290
DOI: https://doi.org/10.1134/S0020441216040072
ID: 159290

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详细

Four quadrupole lenses based on permanent magnets of the NdFeB material (PMQ) were developed for the imaging section for forming images of the ion-optical system of the PRIOR proton microscope prototype: the effective length of two of them is 144 mm, and the other two are 288 mm long. The field induction at the radius of the lens aperture is 1.77 Т, and the aperture is 30 mm in size. The modular design of the PMQ makes it possible to vary the length of the lenses, compensate for the offset of the magnetic axis from the ion optical axis of the microscope channel, and decrease the variation of the angular position of the magnetic medians. The PMQ magnetic field was adjusted, scanned, and its main characteristics were determined. The 3D mathematical models of the magnetic-field distribution that are obtained as a result of PMQ measurements are intended for the use in calculations of the beam dynamics during adjustment of the ion-optical system of the proton microscope and for attaining the highest spatial resolution. The developed lenses were used in the first experiments on the PRIOR facility.

作者简介

A. Kantsyrev

State Scientific Center of the Russian Federation, Institute of Theoretical and Experimental Physics; National Research Nuclear University MEPhI

编辑信件的主要联系方式.
Email: kantsyrev@itep.ru
俄罗斯联邦, ul. Bol’shaya Cheremushkinskaya 25, Moscow, 117218; Kashirskoe sh. 31, Moscow, 115409

Vl. Skachkov

State Scientific Center of the Russian Federation, Institute of Theoretical and Experimental Physics