Quasi-optical design and analysis of a remote steering launcher for CFETR ECRH system

In order to optimize the operational safety and reliability of the upper launcher for the CFETR ECRH system, a design of the launcher for NTM control based on the remote steering concept is currently being carried out for comparison with the front steering equivalent. This paper presents the layout...

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Bibliographic Details
Published in:Nuclear engineering and technology 2024, 56(5), , pp.1619-1626
Main Authors: Chao, Zhang, Wang, Xiaojie, Wu, Dajun, Tang, Yunying, Wang, Hanlin, Li, Dingzhen, Liu, Fukun, Wu, Muquan, Yan, Peiguang, Gao, Xiang, Li, Jiangang
Format: Article
Language:English
Subjects:
CFETR
ECRH
Quasi-optical system
Remote steering
Upper launcher
원자력공학
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Summary:In order to optimize the operational safety and reliability of the upper launcher for the CFETR ECRH system, a design of the launcher for NTM control based on the remote steering concept is currently being carried out for comparison with the front steering equivalent. This paper presents the layout design and analysis of the quasi-optical system in the remote steering launcher. A 3D visual quasi-optical design tool has been developed for the quasi-optical system, which can parameterize modeling, perform general astigmatic beam calculation and show the accurate beam propagation path in the upper port. Three identical sets of quasi-optical modules are arranged in the launcher, and each one consists of two fixed double-curvature focusing mirrors, which focus and reflect the steering beams (−12°–12°) from two square corrugated waveguides. The beam characteristics at the resonance layer are described, and the average beam radius is 
ISSN:1738-5733
2234-358X
DOI:10.1016/j.net.2023.12.014