Complex permittivity and permeability measurements of ferrimagnets at millimeter waves with high power sources

被引：5
|
作者：
Afsar, MN [1 ]
Korolev, KA
Subramanian, L
Tkachov, II
机构：
[1] Tufts Univ, Dept Elect & Comp Engn, High Frequency Mat Measurements & Informat Ctr, Medford, MA 02155 USA
[2] Aware Inc, Bedford, MA 01730 USA
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2005年 / 41卷 / 10期
关键词：
ferrimagnetic materials; millimeter wave measurements; permeability; permittivity;
D O I：
10.1109/TMAG.2005.854881
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present complex dielectric permittivity and magnetic permeability characteristics of strontium and nickel ferrite ceramics in Q-, V-, and W-band frequency range. The measurements have been done using broad-band quasi-optical millimeter wave spectrometer with backward-wave oscillator as a high power source of coherent radiation. Dielectric and magnetic parameters of the ferrite ceramic materials have been calculated by employing the best fit of the theoretical curves to the experimental transmittance spectra.
引用
收藏
页码：3457 / 3459
页数：3
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