{"created":"2021-03-01T06:06:14.938711+00:00","id":2533,"links":{},"metadata":{"_buckets":{"deposit":"90ab8e81-71dd-4c95-9ee7-016c98ec8d81"},"_deposit":{"id":"2533","owners":[],"pid":{"revision_id":0,"type":"depid","value":"2533"},"status":"published"},"_oai":{"id":"oai:niigata-u.repo.nii.ac.jp:00002533","sets":["423:424:425","453:454"]},"item_5_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2013-06","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"2401085-5","bibliographicPageStart":"2401085-1","bibliographicVolumeNumber":"8","bibliographic_titles":[{"bibliographic_title":"Plasma and Fusion Research"},{"bibliographic_title":"Plasma and Fusion Research","bibliographic_titleLang":"en"}]}]},"item_5_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Higher order mode radiations of oversized K-band backward wave oscillator (BWO) are examined experimentally. By injecting an annular beam in the weakly relativistic region less than 100 kV, a beam mode with harmonic number n = 1 excites BWO radiations based on the TM01 surface wave. The same beam mode excites higher order modes leading to radiations in the U- and E-bands. The power levels of the higher order modes are hundreds of times smaller than that of BWO due to the surface wave. For a beam mode with n = 2, higher order mode radiations are in the F- and D-bands, up to about 100 GHz, which is about four times higher than the frequency of the TM01 surface wave. The power level of higher order mode radiation by the n = 2 beam mode decreases by a factor of hundreds from that of the n = 1 beam mode.","subitem_description_type":"Abstract"}]},"item_5_publisher_7":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"Japan Society of Plasma Science and Nuclear Fusion Research"}]},"item_5_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"info:doi/10.1585/pfr.8.2401085","subitem_relation_type_select":"DOI"}}]},"item_5_relation_31":{"attribute_name":"異版である","attribute_value_mlt":[{"subitem_relation_type":"isVersionOf","subitem_relation_type_id":{"subitem_relation_type_id_text":"https://www.jstage.jst.go.jp/","subitem_relation_type_select":"URI"}}]},"item_5_rights_15":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"Copyright(C)2013 一般社団法人プラズマ・核融合学会"},{"subitem_rights":"本文データは学協会の許諾に基づきJ-Stageから複製したものである"}]},"item_5_select_19":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_select_item":"publisher"}]},"item_5_source_id_11":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA12346675","subitem_source_identifier_type":"NCID"}]},"item_5_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"18806821","subitem_source_identifier_type":"ISSN"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Ogura, Kazuo"}],"nameIdentifiers":[{"nameIdentifier":"37665","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Yambe, Kiyoyuki"}],"nameIdentifiers":[{"nameIdentifier":"37666","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Hasegawa, Shinji"}],"nameIdentifiers":[{"nameIdentifier":"37667","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Iwasaki, Takayuki"}],"nameIdentifiers":[{"nameIdentifier":"37668","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Yamamoto, Kazumasa"}],"nameIdentifiers":[{"nameIdentifier":"37669","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Kobari, Yoshihiro"}],"nameIdentifiers":[{"nameIdentifier":"37670","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2019-07-29"}],"displaytype":"detail","filename":"8_2401085.pdf","filesize":[{"value":"4.6 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"8_2401085.pdf","url":"https://niigata-u.repo.nii.ac.jp/record/2533/files/8_2401085.pdf"},"version_id":"8f20e26d-9bff-4222-9231-fbf5997a44b2"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"oversized periodical corrugation","subitem_subject_scheme":"Other"},{"subitem_subject":"surface wave","subitem_subject_scheme":"Other"},{"subitem_subject":"higher order mode","subitem_subject_scheme":"Other"},{"subitem_subject":"backward wave oscillator","subitem_subject_scheme":"Other"},{"subitem_subject":"Smith-Purcell radiation","subitem_subject_scheme":"Other"},{"subitem_subject":"weakly relativistic region","subitem_subject_scheme":"Other"},{"subitem_subject":"cold cathode","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Higher Order Mode Radiations of Weakly Relativistic Oversized Backward Wave Oscillator","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Higher Order Mode Radiations of Weakly Relativistic Oversized Backward Wave Oscillator"},{"subitem_title":"Higher Order Mode Radiations of Weakly Relativistic Oversized Backward Wave Oscillator","subitem_title_language":"en"}]},"item_type_id":"5","owner":"1","path":["454","425"],"pubdate":{"attribute_name":"公開日","attribute_value":"2018-09-11"},"publish_date":"2018-09-11","publish_status":"0","recid":"2533","relation_version_is_last":true,"title":["Higher Order Mode Radiations of Weakly Relativistic Oversized Backward Wave Oscillator"],"weko_creator_id":"1","weko_shared_id":null},"updated":"2022-12-15T03:35:41.004389+00:00"}