複数電子ビームによる平板型自由電子メーザーの実験的研究

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Author: 鎌田, 啓一ほか

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Publication date: 2017-05-18

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Note (General)：: 金沢大学理工研究域数物科学系小型で高出力のテラヘルツ光源を目指して，複数の大強度電子ビームを平板型周期磁場中に入射する事を試みた。平行平板中を円柱状ビームが伝搬する際にビーム重心の移動，断面形状の周期的変形，二本のビームでの相互回転に関する現象を実験的に検証した。運動方程式を線状に分割したビームに適...

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Material Type: 文書・図像類
Title: 複数電子ビームによる平板型自由電子メーザーの実験的研究
Author/Editor: 鎌田, 啓一
Kamada, Keiichi
Author Heading: 鎌田, 啓一
Kamada, Keiichi
Publication Date: 2017-05-18
Publication Date (W3CDTF): 2017-05-18
Alternative Title: Free electron maser with intense electron beams through parallel plates
Periodical title: 平成28(2016)年度科学研究費補助金基盤研究(C) 研究成果報告書 = 2016 Fiscal Year Final Research Report
No. or year of volume/issue: 2014-04-01 - 2017-03-31
Volume: 2014-04-01 - 2017-03-31
Pages: 6p.-
Text Language Code: jpn
Subject Heading: 電子ビーム
自由電子メーザー
大強度電磁波源
ブラッグ共鳴器
テラヘルツ
Target Audience: 一般
Note (General): 金沢大学理工研究域数物科学系
小型で高出力のテラヘルツ光源を目指して，複数の大強度電子ビームを平板型周期磁場中に入射する事を試みた。平行平板中を円柱状ビームが伝搬する際にビーム重心の移動，断面形状の周期的変形，二本のビームでの相互回転に関する現象を実験的に検証した。運動方程式を線状に分割したビームに適用したモデルを用いて，電子ビームの自己電場の非対称性とガイド磁場によるドリフトがこれらの現象の要因である事を示した。40GHz 平行平板型Bragg反射鏡を作成し，動作波長に対する反射鏡長さ等の諸量に関する設計指針を，ベクトルネットワークアナライザーを用いて実験的に検証した。
Planar free electron maser with intense electron beams was proposed. Propagation characteristics of cylindrical beams through parallel plates were studied experimentally. When a cylindrical beam propagated through parallel plates, the shift of the center of the beam profile and periodic deformation of the shape of the beam profile were observed. The rotation of the two beams was also observed. Using a simple model with momentum equations of linear density elements of the beam, it was clear that the asymmetric self electric field of the beam and the axial guide magnetic field caused those phenomena. A 40 GHz planar Bragg reflector was studied using a vector network analyzer. The appropriate length and the depth of its corrugate were studied.
研究課題/領域番号:26400530, 研究期間(年度):2014-04-01 - 2017-03-31
DOI: 10.24517/00057117
Access Restrictions: 限定公開
Related Material: https://kaken.nii.ac.jp/search/?qm=90143875
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-26400530/
https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-26400530/26400530seika/
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): 金沢大学 : 金沢大学学術情報リポジトリKURA