Magnesium diboride superconductive undulator

A magnesium diboride, undulator technology, applied in superconducting magnets/coils, radiation/particle processing, magnetic objects, etc., can solve the problem of inflexible adjustment of magnetic field size, high manufacturing cost, and operating temperature of niobium-titanium superconducting undulators. Low and other problems, to achieve the effect of convenient adjustment, lower refrigeration costs and lower prices

Active Publication Date: 2013-02-27
SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems existing in the above-mentioned prior art, the present invention aims to provide a magnesium diboride superconducting undulator to overcome the inflexible adjustment of the magnetic field size of the existing normal-temperature rare earth ...

Method used

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  • Magnesium diboride superconductive undulator

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Embodiment Construction

[0016] Below in conjunction with the drawings, preferred embodiments of the present invention are given and described in detail.

[0017] like figure 1 As shown, the present invention, namely a kind of magnesium diboride superconducting undulator, comprises:

[0018] Two columns of superconducting coil arrays 1 spaced longitudinally and arranged in parallel, each superconducting coil array 1 includes a high magnetic permeability coil bobbin 11, axially spaced and parallel to each other around 2n+ coils arranged on the surface of the high magnetic permeability coil bobbin 11 1 magnetic baffle 12, and 2n magnesium diboride superconducting coil windings 13 wound on the surface of the highly magnetically permeable coil bobbin 11 and located between two adjacent magnetic baffles 12, wherein n is a natural number (The value range of n is generally 5-200); and

[0019] To the DC power supply (not shown) that supplies power to the magnesium diboride superconducting coil winding 13, ...

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Abstract

The invention relates to a magnesium diboride superconductive undulator which comprises two lists of superconductive coil arrays which are vertically arranged at intervals in parallel. Each list of the superconductive coil arrays comprise a high conductive coil framework, 2n+1 magnetic conductive baffles which are arranged axially at intervals in parallel and surround the surface of the high conductive coil framework and 2n magnesium diboride superconductive coil windings wound on the surface of the high conductive coil framework and located between every two adjacent conductive baffles, wherein n is a natural number. The undulator further comprises a direct current power supply supplying power to the magnesium diboride superconductive coil windings. The current direction of the direct current power supply is arranged to enable magnetic induction strength generated by two adjacent magnesium diboride superconductive coil windings to be identical in magnitude and opposite in direction. The undulator adopts magnesium diboride superconductive materials, the superconductive critical temperature is higher, running temperature is higher, and refrigerating cost is reduced effectively. Simultaneously, the undulator adopts the integral type coil framework and improves cycle length accuracy of the magnetic field of the undulator.

Description

technical field [0001] The invention relates to a magnesium diboride superconducting undulator. Background technique [0002] An undulator is a device that generates a periodic magnetic field, and is a core component in synchrotron radiation devices and free electron laser devices. When the electron beam passes through the periodic magnetic field generated by the undulator, the emitted X-rays interfere, thereby obtaining high-brightness quasi-monochromatic light. [0003] At present, domestic synchrotron radiation light sources mainly use room-temperature rare earth permanent magnet undulators, whose main limitations are: the magnetic induction intensity it can achieve is low, and the adjustment of the magnetic field size is troublesome. The reason for the above limitations is that the normal temperature rare earth permanent magnet undulator is limited by the maximum remanence that the rare earth permanent magnet material itself can achieve, and the magnetic field strength ...

Claims

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Application Information

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IPC IPC(8): H01F6/06G21K1/00
Inventor 张正臣许皆平李炜崔剑李明江勇
Owner SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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