Stabilization effect by the temperature of immersion liquid in the 3-6 GHz microwave tomography system

作者：Kim Jang Yeol^*; Lee Kwang Jae; Son Seong Ho; Kim Hyuk Je; Lee Jong Moon; Jeon Soon Ik; Kim Nam

来源：Microwave and Optical Technology Letters, 2016, 58(2): 461-464.

DOI：10.1002/mop.29587

• microwave tomography system
• temperature control
• immersion liquid
• complex dielectric constant

A study on temperature stabilization effect of the immersion liquid in a 3-6 GHz microwave tomography (MT) system for medical diagnosis is presented. The designed temperature control device unit is applied in the MT system for the analysis of the temperature impact. This control unit with an advanced control method is required to precisely maintain the temperature of the immersion liquid for obtaining stable measurement data. If the temperature of the liquid is maintained ideally, the peak to peak deviation of the measured amplitude and phase are very small within approximately 0.18 dB and 1.3 degree over the entire frequency range. The temperature variation of the liquid is a key factor for high spatial resolution to detect small tumors. The detailed results are presented and discussed.

• 出版日期2016-2