THE VISUALIZATION OF RF PROBE ELECTRIC-FIELDS

被引:8
|
作者
CHEN, CN
HOULT, DI
机构
[1] National Center for Research Resources, National Institutes of Health, Bethesda, Maryland
关键词
RF PROBE; ELECTRIC FIELDS; NMR;
D O I
10.1002/mrm.1910290316
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
An assembly of resistive paper and liquid crystal sheet, conveniently and cheaply constructed for visual detection of the electric fields associated with an rf probe, is presented. Electrical asymmetries, and “hot‐spots” usually associated with conservative electric fields, are easily visualized by the color patterns displayed. The device is of considerable assistance in probe design and the minimization of dielectric loss. Copyright © 1993 Wiley‐Liss, Inc., A Wiley Company
引用
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页码:386 / 390
页数:5
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