300 GHz CW Gyrotron FU CW I の動作特性解析

Material type: 文書・図像類

Author: 橋本, 秀一ほか

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Publication date: 2010-07

Material Format: Digital

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Note (General)：: A 300 GHz CW Gyrotron FU CW I has been developed as a power source for the ceramic sintering and material surface modification with submillimeter wave...

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Material Type: 文書・図像類
Title: 300 GHz CW Gyrotron FU CW I の動作特性解析
Author/Editor: 橋本, 秀一
立松, 芳典
斉藤, 輝雄
尾関, 隆則
Author Heading: 橋本, 秀一
立松, 芳典
斉藤, 輝雄
尾関, 隆則
Publication Date: 2010-07
Publication Date (W3CDTF): 2010-07
Alternative Title: Analysis of oscillation characteristic of 300 GHz CW Gyrotron FU CW I
Periodical title: 遠赤外領域開発研究
No. or year of volume/issue: 11
Volume: 11
Pages: 32-40
Text Language Code: jpn
Target Audience: 一般
Note (General): A 300 GHz CW Gyrotron FU CW I has been developed as a power source for the ceramic sintering and material surface modification with submillimeter wave. Up to now, the usual output power of FU CW I is 1.8 kW, which is rather smaller than the designed power of 3.5 kW. To examine the cause of this problem, we have considered the pitch factor and the misalignment of FU CW I. The pitch factor relates to the efficiency of the oscillation. We have already known the oscillation efficiency decreases with a large auxiliary coil current, Iaux because the pitch factor decreases. Then the experiments without auxiliary coil current have been carried out to improve the oscillation power. However the power did not improve because of increasing potential drop between the anode and the cathode. Moreover the misalignment of FU CW I has been pointed as the cause of the power shortage. For the cases that the axis of gyrotron tube is not parallel to that of the coil, oscillation power at the cavity exit has been calculated with a mode competition code. From the result of the calculations, it is found that the power hardly decreases even if a small misalignment exists in FU CW I.
Source: https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=27338&item_no=1&attribute_id=22&file_no=1
https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=27338&item_no=1&attribute_id=22&file_no=1
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ