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Q-band high-performance notch filters at 56 and 77 GHz notches for versatile fusion plasma diagnostics
http://hdl.handle.net/10655/00012782
http://hdl.handle.net/10655/00012782bcd23b0e-9f54-45fe-8a2a-beeba29ef96c
| 名前 / ファイル | ライセンス | アクション |
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Rev.Sci.Instr.92_pp034711 (501.9 kB)
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VoR_Rev.Sci.Instrum_92_034711 (6.0 MB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||
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| 公開日 | 2021-12-20 | |||||
| タイトル | ||||||
| タイトル | Q-band high-performance notch filters at 56 and 77 GHz notches for versatile fusion plasma diagnostics | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | journal article | |||||
| 著者 |
NISHIURA, Masaki
× NISHIURA, Masaki× SHIMIZU, T.× Kobayashi, S.× TOKUZAWA, Tokihiko× Ichinose, K.× KUBO, Shin |
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| 著者ID | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | 0000-0003-2410-7550 | |||||
| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | A six-pole Q-band waveguide filter with a notch frequency above the Q-band has been developed for plasma diagnostics. The previous paper [Nishiura et al., J. Instrum. 10, C12014 (2015)] reported that the notch frequency exists within the standard band. In this study, the newly required notch filter extends the function, which prevents a thorny wave from being mixed into an instrument beyond the standard bandwidth of the waveguide. The mode control technique for cavities realizes a deep and sharp filter shape for Q-band notch filters with 56 and 77 GHz notches, respectively. The former filter has an attenuation more than 50 dB at 56.05 GHz and a bandwidth of 1.1 GHz at −3 dB. The latter filter has an attenuation more than 55 dB at 76.95 GHz and a bandwidth of 1.6 GHz at −3 dB. The electron cyclotron emission imaging and the electron cyclotron emission (ECE) diagnostics for the Q-band implemented a pair of the fabricated filters and demonstrated the ECE measurement successfully in the intense stray radiation from a 56 GHz gyrotron. | |||||
| 書誌情報 |
Review of Scientific Instruments 巻 92, 号 3, p. 034711, 発行日 2021-03-12 |
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| 出版者 | ||||||
| 出版者 | AIP Publishing | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 00346748 | |||||
| 書誌レコードID | ||||||
| 収録物識別子タイプ | NCID | |||||
| 収録物識別子 | AA00817730 | |||||
| DOI | ||||||
| 関連タイプ | isIdenticalTo | |||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1063/5.0041243 | |||||
| 権利 | ||||||
| 権利情報 | This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Review of Scientific Instruments 92, 034711 (2021) and may be found at https://aip.scitation.org/doi/abs/10.1063/5.0041243. | |||||
| 権利 | ||||||
| 権利情報 | Copyright 2021 Author(s). This article is distributed under a Creative Commons Attribution (CC BY) License. | |||||
| 情報源 | ||||||
| 関連名称 | Review of Scientific Instruments 92, 034711 (2021); https://doi.org/10.1063/5.0041243 | |||||
| 関連サイト | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | https://doi.org/10.1063/5.0041243 | |||||
| 関連名称 | Publisher version | |||||
| 著者版フラグ | ||||||
| 出版タイプ | VoR | |||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
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