Design and Measurement of an <italic>H</italic>-Band Rectangular TE10 to TE20 Mode Converter

Guoxiang Shu; Zhengfang Qian; Wenlong He

doi:10.1109/ACCESS.2020.2974819

IEEE Access (Jan 2020)

Design and Measurement of an <italic>H</italic>-Band Rectangular TE10 to TE20 Mode Converter

Guoxiang Shu,
Zhengfang Qian,
Wenlong He

Affiliations

Guoxiang Shu: ORCiD; College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China
Zhengfang Qian: College of Physics and Photoelectric Engineering, Shenzhen University, Shenzhen, China
Wenlong He: ORCiD; College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China

DOI: https://doi.org/10.1109/ACCESS.2020.2974819
Journal volume & issue: Vol. 8
pp. 37242 – 37249

Abstract

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A novel methodology of the mode conversion between rectangular TE10 and TE20 mode based on the H-plane T-junction power dividing network is proposed in this paper. A mode converter operating in the H-band (220-325 GHz) was analyzed and designed. To decrease the port reflection caused by the T-junction discontinuity, a septum and two symmetric irises were introduced in the converter. Two identical rectangular TE20 mode converters joined back-to-back were manufactured by Nano-CNC machining and the electromagnetic properties were measured by using a vector network analyzer. A bandwidth of 228.8-293.1 GHz (64.3 GHz) for transmission coefficient S21 around -1.0 dB and port reflection S11 around -15.0 dB was measured. The measured results were in good agreement with the simulated ones and manifested high mode conversion efficiency.

Published in IEEE Access

ISSN: 2169-3536 (Online)
Publisher: IEEE
Country of publisher: United States
LCC subjects: Technology: Electrical engineering. Electronics. Nuclear engineering
Website: https://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=6287639

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