Phase error correction of superconducting undulator by additional currents

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Abstract

We described a method for correcting the magnetic field of a superconducting undulator with neutral poles. For correction, the main windings of the undulator are used, grouped into separate groups and powered by additional currents. Graphs of phase errors are presented for the entire range of magnetic fields of the undulator after correction. The magnitudes of the total and local phase errors were 3.5 and 1.9 degrees for a maximum field of 1.2 T.

About the authors

P. V. Kanonik

Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences

Email: kanpoul@mail.ru
Novosibirsk, Russia

A. A. Volkov

Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences; Center for Collective Use "Siberian Ring Photon Source", Federal Research Center G.K. Boreskov Institute of Catalysis of the Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia; Koltsovo, Russia

A. V. Zorin

Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia

F. P. Kazantsev

Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia

V. A. Shkaruba

Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences; Center for Collective Use "Siberian Ring Photon Source", Federal Research Center G.K. Boreskov Institute of Catalysis of the Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia; Koltsovo, Russia

N. A. Mezentsev

Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences; Center for Collective Use "Siberian Ring Photon Source", Federal Research Center G.K. Boreskov Institute of Catalysis of the Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia; Koltsovo, Russia

E. A. Gusev

Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences; Center for Collective Use "Siberian Ring Photon Source", Federal Research Center G.K. Boreskov Institute of Catalysis of the Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia; Koltsovo, Russia

O. A. Tarasenko

Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia

S. V. Khrushchev

Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences; Center for Collective Use "Siberian Ring Photon Source", Federal Research Center G.K. Boreskov Institute of Catalysis of the Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia; Koltsovo, Russia

V. M. Tsukanov

Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences; Center for Collective Use "Siberian Ring Photon Source", Federal Research Center G.K. Boreskov Institute of Catalysis of the Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia; Koltsovo, Russia

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