Behavior of ε′(ω) and tan δ for a Class of Low-Loss Materials

被引：0
|
作者：
Baker-Jarvis, James [1 ]
Janezic, Michael D. [1 ]
Riddle, Bill [1 ]
Kim, Sung [1 ]
机构：
[1] Natl Inst Stand & Technol, Boulder, CO 80305 USA
来源：
2010 CONFERENCE ON PRECISION ELECTROMAGNETIC MEASUREMENTS CPEM | 2010年
关键词：
D O I：
暂无
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 report a study on the relaxation behavior of the real part of the permittivity. We also discuss the loss tangent of a class of materials in the microwave to millimeter band of frequencies. For relaxation response we show that the permittivity is a monotonic decreasing function of frequency. Also, for many low-loss ceramics, glasses, crystals, and solid polymers we found that the loss tangent increases nearly linearly with frequency. This linearity is explained in terms of the pulse-response function and the Sparks-King-Mills model. We show that the linearity may be used to extrapolate the loss tangent beyond the measurement band.
引用
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页码：289 / 290
页数：2
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