Multi-Barrel Gyrotron for DNP/NMR Spectroscopy

IF 0.8 4区 地球科学 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Radiophysics and Quantum Electronics Pub Date : 2023-10-16 DOI:10.1007/s11141-023-10270-y
V. E. Zapevalov, A. S. Zuev,  O.P.Plankin, E. S. Semenov
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Abstract

We consider an example of implementation of a multi-barrel gyrotron. The simplest scheme of the multi-barrel gyrotron combines the advantages of both the canonical gyrotron and the gyrotron with the near-axis beam as the system of formation of helical electron beams and efficient selection of modes synchronous with high gyrofrequency harmonics, respectively, and is attractive from the viewpoint of applications that require moderate power levels. The design of a multi-barrel gyrotron with the possibility of simultaneous generation at frequencies of 263, 395, and 526 GHz is presented. Additionally, the possibility of generating the radiation at a frequency of 594 GHz is considered. Such frequencies are required for DNP/NMR facilities with proton Larmor frequencies of 400, 600, 800, and 900 MHz, respectively. Along with the conventional scheme of radiation output towards the collector, the features of the scheme with the radiation output toward the electron gun are considered.

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用于DNP/NMR光谱的多管回旋管
我们考虑一个实现多管回旋管的例子。多管回旋管的最简单方案结合了正则回旋管和具有近轴束的回旋管的优点,分别作为螺旋电子束的形成系统和与高回旋频率谐波同步的模式的有效选择,并且从需要中等功率水平的应用的观点来看是有吸引力的。介绍了一种可以在263395和526GHz频率下同时产生的多管回旋管的设计。此外,还考虑了以594GHz的频率产生辐射的可能性。质子拉莫尔频率分别为400、600、800和900MHz的DNP/NMR设备需要这样的频率。与传统的向收集器输出辐射的方案一起,考虑了该方案的辐射向电子枪输出的特点。
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来源期刊
Radiophysics and Quantum Electronics
Radiophysics and Quantum Electronics ENGINEERING, ELECTRICAL & ELECTRONIC-PHYSICS, APPLIED
CiteScore
1.10
自引率
12.50%
发文量
60
审稿时长
6-12 weeks
期刊介绍: Radiophysics and Quantum Electronics contains the most recent and best Russian research on topics such as: Radio astronomy; Plasma astrophysics; Ionospheric, atmospheric and oceanic physics; Radiowave propagation; Quantum radiophysics; Pphysics of oscillations and waves; Physics of plasmas; Statistical radiophysics; Electrodynamics; Vacuum and plasma electronics; Acoustics; Solid-state electronics. Radiophysics and Quantum Electronics is a translation of the Russian journal Izvestiya VUZ. Radiofizika, published by the Radiophysical Research Institute and N.I. Lobachevsky State University at Nizhnii Novgorod, Russia. The Russian volume-year is published in English beginning in April. All articles are peer-reviewed.
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