Development of a Broadband Terahertz WR-3 Waveguide Microcalorimeter in the 220~330 GHz

IF 5.6 2区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Instrumentation and Measurement Pub Date : 2025-03-26 DOI:10.1109/TIM.2025.3554869

Wenze Yuan;Weidong Hu;Yuming Bai;Xiaohai Cui;Xiaomeng Liu;Jinwen Liu;Yong Li

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引用次数: 0

Abstract

This article proposes a power sensor and a WR-3 waveguide microcalorimeter that can achieve traceable measurement of

$220\sim 330$

-GHz terahertz wave power. The power sensor is based on a novel multilayer sensing chip with a smaller size and easier chip connection. The energy absorption of the terahertz power sensor could be more than 90%. The proposed WR-3 rectangular waveguide microcalorimeter has measurement stability and thermopile linearity. Subsequently, the measurement results of the proposed microcalorimeter are calibrated with mathematical derivation and practical experiments. It demonstrates that the proposed microcalorimeter could work well with an effective efficiency measurement uncertainty of

$0.017\sim 0.035$

(

${k} =2$

) in the band of

$220\sim 330$

GHz.

查看原文本刊更多论文

本文提出了一种功率传感器和 WR-3 波导微量热计，可实现对 220 美元/sim 330 美元 -GHz 太赫兹波功率的溯源测量。功率传感器基于新型多层传感芯片，体积更小，芯片连接更简单。太赫兹功率传感器的能量吸收率可达 90% 以上。所提出的 WR-3 矩形波导微量热计具有测量稳定性和热电堆线性度。随后，通过数学推导和实际实验对所提出的微量热计的测量结果进行了校准。结果表明，所提出的微量热仪在220/sim 330$ GHz频段内工作良好，有效效率测量不确定度为0.017/sim 0.035$ （${k} =2$）。

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

IEEE Transactions on Instrumentation and Measurement 工程技术-工程：电子与电气

CiteScore

9.00

自引率

23.20%

发文量

1294

审稿时长

3.9 months

期刊介绍： Papers are sought that address innovative solutions to the development and use of electrical and electronic instruments and equipment to measure, monitor and/or record physical phenomena for the purpose of advancing measurement science, methods, functionality and applications. The scope of these papers may encompass: (1) theory, methodology, and practice of measurement; (2) design, development and evaluation of instrumentation and measurement systems and components used in generating, acquiring, conditioning and processing signals; (3) analysis, representation, display, and preservation of the information obtained from a set of measurements; and (4) scientific and technical support to establishment and maintenance of technical standards in the field of Instrumentation and Measurement.