{"created":"2023-05-15T14:57:45.262453+00:00","id":78380,"links":{},"metadata":{"_buckets":{"deposit":"f22c51e7-0d5f-4287-9ebf-42cb63bcd8b4"},"_deposit":{"created_by":1,"id":"78380","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"78380"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00078380","sets":["10:28"]},"author_link":["822914","822909","822911","822907","822908","822915","822905","822904","822903","822902","822906","822913","822910","822912"],"item_10005_date_7":{"attribute_name":"発表年月日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2019-09-02","subitem_date_issued_type":"Issued"}]},"item_10005_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Factory acceptance tests (FAT) for two ITER gyrotrons were completed, and 3rd and 4th gyrotrons were also fabricated and delivered to QST.  The functional performance of 1st and 2nd ITER gyrotrons was satisfied the criteria such a s 1 MW /50 % /300 s, 1 kHz ~ 5 kHz full‐power modulation of > 0.8 MW / 60s and operation reliability of > 90 %. Design optimization for dual‐frequency (104 GHz and 170 GHz) gyrotron was performed to apply for 1.8 T, 2.65 T and 5.3 T operations. It was obtained that transmission efficiency of RF beam in the gyrotron at 104 GHz (98.8 %) and 170 GHz (98.9 %) were almost equivalent to the design value of the current ITER gyrotron (98.8 %) .","subitem_description_type":"Abstract"}]},"item_10005_description_6":{"attribute_name":"会議概要（会議名, 開催地, 会期, 主催者等）","attribute_value_mlt":[{"subitem_description":"44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2019)","subitem_description_type":"Other"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Ikeda, Ryosuke"}],"nameIdentifiers":[{"nameIdentifier":"822902","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Kajiwara, Ken"}],"nameIdentifiers":[{"nameIdentifier":"822903","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Nakai, Taku"}],"nameIdentifiers":[{"nameIdentifier":"822904","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Kobayashi, Takayuki"}],"nameIdentifiers":[{"nameIdentifier":"822905","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Terakado, Masayuki"}],"nameIdentifiers":[{"nameIdentifier":"822906","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Takahashi, Koji"}],"nameIdentifiers":[{"nameIdentifier":"822907","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Sakamoto, Keishi"}],"nameIdentifiers":[{"nameIdentifier":"822908","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Ikeda, Ryosuke","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"822909","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Kajiwara, Ken","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"822910","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Nakai, Taku","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"822911","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Kobayashi, Takayuki","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"822912","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Terakado, Masayuki","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"822913","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Takahashi, Koji","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"822914","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Sakamoto, Keishi","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"822915","nameIdentifierScheme":"WEKO"}]}]},"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":"conference object","resourceuri":"http://purl.org/coar/resource_type/c_c94f"}]},"item_title":"Performance Tests of ITER Gyrotrons and Design study of Dual-frequency ITER gyrotron","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Performance Tests of ITER Gyrotrons and Design study of Dual-frequency ITER gyrotron"}]},"item_type_id":"10005","owner":"1","path":["28"],"pubdate":{"attribute_name":"公開日","attribute_value":"2020-01-09"},"publish_date":"2020-01-09","publish_status":"0","recid":"78380","relation_version_is_last":true,"title":["Performance Tests of ITER Gyrotrons and Design study of Dual-frequency ITER gyrotron"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T23:15:35.547380+00:00"}