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Broadband Continuously Frequency Tunable Gyrotron for 600 MHz DNP-NMR Spectroscopy
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- IKEDA Ryosuke
- Japan Atomic Energy Agency (JAEA)
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- YAMAGUCHI Yuusuke
- Research Center for Development of Far-Infrared Region, University of Fukui (FIR FU)
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- TATEMATSU Yoshinori
- Research Center for Development of Far-Infrared Region, University of Fukui (FIR FU)
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- IDEHARA Toshitaka
- Research Center for Development of Far-Infrared Region, University of Fukui (FIR FU)
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- OGAWA Isamu
- Research Center for Development of Far-Infrared Region, University of Fukui (FIR FU)
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- SAITO Teruo
- Research Center for Development of Far-Infrared Region, University of Fukui (FIR FU)
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- MATSUKI Yoh
- Institute for Protein Research, Osaka University
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- FUJIWARA Toshimichi
- Institute for Protein Research, Osaka University
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Description
A broadband continuously frequency tunable gyrotron with a triode-type magnetron injection gun was developed as power source for analysis of protein structures. The TE7,3 oscillation mode was selected to avoid mode competitions in the high magnetic field side. Axial modes of the TE7,3,−10 were sequentially excited by changing the cavity magnetic field, and frequency tuning of about 4 GHz around 395 GHz was observed with output power greater than 50 W. The frequency also varied about 1GHz as the anode-cathode voltage varied. Thus, the broadest tuning bandwidth in the 400 GHz band gyrotrons was achieved.
Journal
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- Plasma and Fusion Research
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Plasma and Fusion Research 9 (0), 1206058-1206058, 2014
The Japan Society of Plasma Science and Nuclear Fusion Research
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Details 詳細情報について
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- CRID
- 1390282680229402752
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- NII Article ID
- 130005089499
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- ISSN
- 18806821
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- Text Lang
- en
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- Article Type
- journal article
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
- KAKEN
- OpenAIRE
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- Abstract License Flag
- Disallowed