A New Method for Measuring the Complex Permittivity and Permeability of Sintered Material FeSiAl Used for Microwave-Absorbing Load

Author:

Zhang Fang,Shen Lianguan,Pei Yuanji

Abstract

Abstract This paper describes a new method for measuring the complex permittivity and permeability of a sintered microwave-absorbing material. Thorough knowledge about microwave-absorbing materials is very important for the design and construction of accelerators. Although many methods of measuring the permittivity and permeability of a material have been developed and tested successfully, they are not suited to cases in which the microwave-absorbing material is coated on an oxygen-free high-conductivity copper (OFHC) surface by means of a special sintering technology. Thus, a new method is developed through a combination of testing and simulations. The complex permittivity and permeability of the microwave-absorbing material FeSiAl was obtained by this means, and a collinear load was designed based on the measurement results. The linear accelerator (LINAC) with the collinear load has been running well.

Publisher

IOP Publishing

Subject

General Engineering

Reference6 articles.

1. Permittivity and Permeability Measurement Methods for Particle Accelerator Related Materials;Vollinger,2014

2. Electromagnetic Parameters Study of Microwave absorbing Material FeSiAl for Collinear Load of Linac;Wang,2010

3. Improved accuracy of measurements of complex permittivity and permeability using transmission lines;Shemelin;Nuclear Instruments and Methods in Physics Research A,2014

4. Numerical analysis and design of collinear load for S-band linac based on FeSiAl material;Sun;Nuclear Instruments and Methods in Physics Research A,2010

5. Design of collinear load for S-band compact electron LINAC;Zhang;Results in Physics,2017

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