Superconducting undulator magnet

A superconducting undulator and undulator technology, applied in superconducting magnets/coils, magnetic objects, electrical components, etc., can solve the problem of inflexible adjustment of induction intensity, reduce operating resistance, reduce refrigeration costs, overcome adjustment inflexible effect

Inactive Publication Date: 2013-12-11
SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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Problems solved by technology

[0005] In order to solve the above problems in the prior art, the present invention aims to provide a superconducting undulator magnet to overcome the inflexible adjustment of the magnetic induction intensity of the existing room temperature rare earth permanent magnet undulator and the infl

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  • Superconducting undulator magnet

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Embodiment Construction

[0015] Below in conjunction with the drawings, preferred embodiments of the present invention are given and described in detail.

[0016] Such as figure 1 As shown, the present invention, namely a superconducting undulator magnet, comprises:

[0017] Two columns of superconducting coil arrays 1 spaced longitudinally and arranged in parallel ( figure 1 Only one column of superconducting coil arrays 1 is shown in , each column of superconducting coil arrays 1 includes a high magnetic permeability coil bobbin 10, and n+1 magnetic poles 11 arranged axially at intervals on the high magnetic permeability coil bobbin 1 , and n sets of coils 12 located between two adjacent magnetic poles 11 formed by winding a single superconducting wire on the surface of the high magnetic permeability coil bobbin 10, wherein n is a natural number (the value range of n is generally 5- 120); in this embodiment, a groove 13 for embedding the magnetic pole 11 and winding the coil 12 is opened on the su...

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Abstract

The invention relates to a superconducting undulator magnet which comprises two columns of superconducting coil arrays longitudinally arranged at intervals and in parallel. Each column of superconducting coil arrays comprise a coil skeleton with high magnetic conductivity, n+1 magnetic poles which are axially arranged on the coil skeleton with the high magnetic conductivity at intervals, and n groups of coils which are formed by winding a single superconducting wire on the surface of the coil skeleton with the high magnetic conductivity and are positioned every two adjacent magnetic poles, and a direct-current power supply used for supplying the power to the coils, wherein the n represents a natural number; and the leading-in direction and the leading-out direction of the single superconducting wire during a winding process are arranged in a manner of enabling the directions of magnetic fields generated by the two adjacent coils to be opposite. The n groups of coils in each column of superconducting coil arrays are formed by winding the single superconducting wire, so that the running resistance of the n groups of coils is lowered. Thus, the cooling cost is effectively lowered while the running stability is improved at the same time. In addition, the magnetic induction intensity generated by the superconducting undulator magnet can be changed by regulating currents conducted into the coils.

Description

technical field [0001] The invention relates to a superconducting undulator magnet. 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 to obtain quasi-monochromatic light with high brightness. [0003] At present, the synchrotron radiation light source mainly uses a rare earth permanent magnet undulator at room temperature, and its main limitations are: the magnetic induction intensity it can achieve is low, and the adjustment of the magnetic induction intensity is troublesome. The reason for the above limitation is that the rare earth permanent magnet undulator at room temperature is limited by the maximum remanence that the rare earth permanent magnet material itself can achieve, and the magnetic field strength has re...

Claims

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Application Information

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IPC IPC(8): H01F6/06
Inventor 张正臣许皆平崔剑李明徐俊杰郁静芳樊勇季现凯江勇
Owner SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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