{"created":"2023-06-19T10:29:35.513915+00:00","id":9516,"links":{},"metadata":{"_buckets":{"deposit":"56b31fe2-1996-440f-98e4-f5f30dc87528"},"_deposit":{"created_by":18,"id":"9516","owners":[18],"pid":{"revision_id":0,"type":"depid","value":"9516"},"status":"published"},"_oai":{"id":"oai:muroran-it.repo.nii.ac.jp:00009516","sets":["216:322","216:408:318","46"]},"author_link":["54605","923","42769","42770","39511","54609"],"control_number":"9516","item_79_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2012-07","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"13","bibliographicPageEnd":"2215","bibliographicPageStart":"2210","bibliographicVolumeNumber":"30","bibliographic_titles":[{"bibliographic_title":"Journal of Lightwave Technology","bibliographic_titleLang":"ja"}]}]},"item_79_description_23":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"applocation/pdf","subitem_description_type":"Other"}]},"item_79_description_7":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"A topology optimization method can be used to find out the optical waveguide structures which have the desired transmission characteristics. Using the function expansion method, we can avoid the problem of a gray area, which means that some areas having intermediate refractive index between those of usable materials appear in a design region. However, so far, topology optimization has mainly been studied for structures consisting of two isotropic materials. In this paper, we study the applicability of topology optimization to structures which include three or more materials, and demonstrate the optimal design of a waveguide crossing.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_79_link_17":{"attribute_name":"出版者版へのリンク","attribute_value_mlt":[{"subitem_link_text":"10.1109/JLT.2012.2195474","subitem_link_url":"https://doi.org/10.1109/JLT.2012.2195474"}]},"item_79_link_5":{"attribute_name":"室蘭工業大学研究者データベースへのリンク","attribute_value_mlt":[{"subitem_link_text":"辻 寧英（TSUJI Yasuhide）","subitem_link_url":"http://rdsoran.muroran-it.ac.jp/html/100000213_ja.html"},{"subitem_link_text":"佐藤 慎悟（SATO Shingo）","subitem_link_url":"http://rdsoran.muroran-it.ac.jp/html/100000192_ja.html"}]},"item_79_publisher_11":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"IEEE","subitem_publisher_language":"en"}]},"item_79_relation_15":{"attribute_name":"論文ID（NAID）","attribute_value_mlt":[{"subitem_relation_type":"isVersionOf","subitem_relation_type_id":{"subitem_relation_type_id_text":"120005771392","subitem_relation_type_select":"NAID"}}]},"item_79_relation_18":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type":"isVersionOf","subitem_relation_type_id":{"subitem_relation_type_id_text":"10.1109/JLT.2012.2195474","subitem_relation_type_select":"DOI"}}]},"item_79_rights_19":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"© 2012 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.","subitem_rights_language":"en"}]},"item_79_subject_9":{"attribute_name":"日本十進分類法","attribute_value_mlt":[{"subitem_subject":"501.34","subitem_subject_scheme":"NDC"}]},"item_79_version_type_21":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_ab4af688f83e57aa","subitem_version_type":"AM"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"FUJIMOTO, 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