A High-Sensitive Resonant Cavity for Measuring Concentration of Aqueous Solutions

2022 IEEE Electrical Design of Advanced Packaging and Systems (EDAPS) Pub Date : 2022-12-12 DOI:10.1109/EDAPS56906.2022.9995151

Ying Tian, Yun Jing Zhang, M. Tong

引用次数: 0

Abstract

This paper presents a small size cylinder resonant cavity with metal posts embedded for detecting the concentration of aqueous solutions. Compared with a regular cylinder cavity operating in the same mode TM011, the electrical field is more focused on near the tube containing materials under test (MUT), hence, the sensitivity of the cavity is enhanced. Three types of solutions are simulated including glucose, NaCl, and ethanol, varying in concentration from 0 to 5%, the results show that sensitivity is generally improved compared to the regular cavity, with glucose/water from 14 MHz/1% to 46.5 MHz/1%, NaCl/water from 36 MHz/1% to 162.5 MHz/1%, and ethanol/water from 20 MHz/1% to 66 MHz/1%.

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用于测量水溶液浓度的高灵敏度谐振腔

本文提出了一种嵌有金属柱的小型圆柱形谐振腔，用于检测水溶液的浓度。与工作在相同模式TM011下的常规圆柱形腔相比，电场更集中在含有被测材料的管(MUT)附近，从而提高了腔的灵敏度。模拟了葡萄糖、NaCl和乙醇三种浓度为0 ~ 5%的溶液，结果表明，与常规空腔相比，葡萄糖/水浓度从14 MHz/1%提高到46.5 MHz/1%， NaCl/水浓度从36 MHz/1%提高到162.5 MHz/1%，乙醇/水浓度从20 MHz/1%提高到66 MHz/1%，灵敏度普遍提高。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2022 IEEE Electrical Design of Advanced Packaging and Systems (EDAPS)

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