{"created":"2023-05-15T15:00:48.837083+00:00","id":82498,"links":{},"metadata":{"_buckets":{"deposit":"ad25166a-4d8d-4f6c-908f-40c86f1f00ee"},"_deposit":{"created_by":1,"id":"82498","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"82498"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00082498","sets":["1"]},"author_link":["1012939","1012940"],"item_8_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2021-03","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicPageStart":"15","bibliographicVolumeNumber":"9","bibliographic_titles":[{"bibliographic_title":"Atoms"}]}]},"item_8_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Generation of few-cycle optical pulses in\nfree-electron laser (FEL) oscillators\nhas been experimentally demonstrated in FEL facilities\nbased on normal-conducting and superconducting linear accelerators.\nAnalytical and numerical studies have revealed that\nthe few-cycle FEL lasing can be explained in the frame of superradiance,\ncooperative emission from self-bunched systems.\nIn the present paper, we review historical remarks of superradiance FEL\nexperiments in short-pulse FEL oscillators\nwith emphasizing the few-cycle pulse generation\nand discuss the application of the few-cycle FEL pulses to\nthe scheme of FEL-HHG,\nutilization of infrared FEL pulses to drive\nhigh-harmonic generation (HHG) from gas and solid targets.\nThe FEL-HHG enables one to explore ultrafast science with\nattosecond ultraviolet and X-ray pulses with a MHz repetition rate,\nwhich is difficult with HHG driven by solid-state lasers.\nA research program has been launched to develop technologies\nfor the FEL-HHG and to conduct a proof-of-concept experiment of FEL-HHG.","subitem_description_type":"Abstract"}]},"item_8_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"MDPI"}]},"item_8_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.3390/atoms9010015","subitem_relation_type_select":"DOI"}}]},"item_8_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://www.mdpi.com/2218-2004/9/1/15","subitem_relation_type_select":"URI"}}]},"item_8_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2218-2004","subitem_source_identifier_type":"ISSN"}]},"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":"Hajima, Ryoichi"}],"nameIdentifiers":[{"nameIdentifier":"1012939","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Ryoichi, Hajima","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1012940","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":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Few-Cycle Infrared Pulse Evolving in FEL Oscillators and Its Application to High-Harmonic Generation for Attosecond Ultraviolet and X-ray Pulses","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Few-Cycle Infrared Pulse Evolving in FEL Oscillators and Its Application to High-Harmonic Generation for Attosecond Ultraviolet and X-ray Pulses"}]},"item_type_id":"8","owner":"1","path":["1"],"pubdate":{"attribute_name":"公開日","attribute_value":"2021-01-12"},"publish_date":"2021-01-12","publish_status":"0","recid":"82498","relation_version_is_last":true,"title":["Few-Cycle Infrared Pulse Evolving in FEL Oscillators and Its Application to High-Harmonic Generation for Attosecond Ultraviolet and X-ray Pulses"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T18:54:17.090256+00:00"}