{"created":"2023-06-20T15:18:10.731444+00:00","id":48410,"links":{},"metadata":{"_buckets":{"deposit":"51284731-29cc-432e-a2e1-b65159b9fa80"},"_deposit":{"created_by":1,"id":"48410","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"48410"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00048410","sets":["1398:1408:2193","1887:1893","9:10:2138:2172"]},"author_link":["545689","545668","545662","545675","545674","545666","545687","545690","545670","545680","545671","545686","545682","545665","545678","545679","545683","545676","545667","545672","545688","545677","545663","545669","545664","545681","545684","545673","545691","545685"],"item_3_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"Demonstration Experiment of Alignment Monitor (DREAM) FY2021"}]},"item_3_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2022-02-18","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"49","bibliographicPageStart":"35","bibliographicVolumeNumber":"JAXA-RR-21-003","bibliographic_titles":[{"bibliographic_title":"宇宙航空研究開発機構研究開発報告: 大気球研究報告"},{"bibliographic_title":"JAXA Research and Development Report","bibliographic_titleLang":"en"}]}]},"item_3_description_16":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"将来の大型高精度構造物の実現のために，著者らは高精度変位計測装置の研究開発を行っている．特に，X 線望遠鏡の支持構造など，1 次元的に細長い構造の両端の相対位置の計測に焦点を当てている．変位計測装置は，レーザ光源，ビームスプリッタ，レトロリフレクタ，PSD(Position Sensitive Device)からなる．レーザ光源とレトロリフレクタは，相対位置を計測する基準とターゲットに取り付けられる．開発中の変位計測装置は，実利用に先んじて，大型天文衛星の地上試験に使用され，その有用性が確かめられた．宇宙や成層圏での天文観測において実際に使用するためには，それぞれの環境での適合性を確認する必要がある．そこで，大気球実験における天文観測機器での利用を想定し，成層圏環境での機能実証を試みた．2021 年7 月9 日に，大気球実験：DREAM（DemonstRation Experiment of Alignment Monitor）を実施した．最高高度は29 ㎞，フライト時間は2時間54分であった．気球ゴンドラのサイズ制約から，レーザ光源とレトロリフレクタ間の距離は1mとした．気球実験を通じて，成層圏の気球実験環境下において本変位計測装置が正常に機能することが確かめられた．実験においては，上空で計測対象（レトロリフレクタ）に所定の変位を与えるために，人工的な周期的熱膨張を発生させた．計測された温度から推定された変位と，変位計測装置によって計測された変位の差は0.4μmRMS であった．","subitem_description_type":"Abstract"}]},"item_3_description_17":{"attribute_name":"抄録（英）","attribute_value_mlt":[{"subitem_description":"For future large-scale structures with high accuracy, we have researched and developed an alignment monitor system. In particular, we have focused on the measurement of the relative positions of both ends of a one-dimensionally long structure such as the support structure of an X-ray telescope. The alignment monitor system consists of a laser source, a beam splitter, a retroreflector, and a PSD (Position Sensitive Device). The laser source and retroreflector are attached to the reference and target for which relative displacement is to be measured. The developed alignment monitor system was used for measurements in ground tests of a large astronomical observation satellite, and its usefulness was confirmed. To apply this alignment system to astronomical observations in space and the stratosphere, it is necessary to verify the compatibility with each environment. Therefore, the DemonstRation Experiment of Alignment Monitor (DREAM) were conducted on July 9, 2021 to evaluate the environmental compatibility of the alignment monitor system in the stratosphere for the future astronomical observation system of balloon experiments. The maximum altitude was 29 km, and the flight was for 2 hours 54 minutes. Due to the upper limit of the size of the gondola for balloon experiment, the laser source and the retroreflector were installed at a distance of 1m. Through the balloon experiment, it was confirmed that this alignment monitor system functioned normally in the stratosphere. In this experiment, artificial periodic thermal deformation of the structure was adopted to give a predetermined displacement to the measurement target (retroreflector) in the stratosphere. The difference between the displacement estimated from the measured temperatures and the displacement measured by this alignment monitor system was 0.4 μm RMS or less.","subitem_description_type":"Other"}]},"item_3_description_18":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"形態: カラー図版あり","subitem_description_type":"Other"}]},"item_3_description_19":{"attribute_name":"内容記述（英）","attribute_value_mlt":[{"subitem_description":"Physical characteristics: Original contains color illustrations","subitem_description_type":"Other"}]},"item_3_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: AA2130029002","subitem_description_type":"Other"}]},"item_3_description_33":{"attribute_name":"レポート番号","attribute_value_mlt":[{"subitem_description":"レポート番号: JAXA-RR-21-003","subitem_description_type":"Other"}]},"item_3_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.20637/00048394","subitem_identifier_reg_type":"JaLC"}]},"item_3_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"宇宙航空研究開発機構(JAXA)"}]},"item_3_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"Japan Aerospace Exploration Agency (JAXA)"}]},"item_3_source_id_22":{"attribute_name":"ISSNONLINE","attribute_value_mlt":[{"subitem_source_identifier":"2433-2216","subitem_source_identifier_type":"ISSN"}]},"item_3_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"早稲田大学"},{"subitem_text_value":"宇宙航空研究開発機構研究開発部門第二研究ユニット(JAXA)"},{"subitem_text_value":"東京都立大学"},{"subitem_text_value":"早稲田大学"},{"subitem_text_value":"宇宙航空研究開発機構宇宙科学研究所宇宙物理学研究系(JAXA)(ISAS)"},{"subitem_text_value":"早稲田大学"},{"subitem_text_value":"早稲田大学"},{"subitem_text_value":"防衛大学校"},{"subitem_text_value":"大阪府立大学"},{"subitem_text_value":"宇宙航空研究開発機構研究開発部門第一研究ユニット(JAXA)"},{"subitem_text_value":"宇宙航空研究開発機構宇宙科学研究所大気球実験グループ(JAXA)(ISAS)"},{"subitem_text_value":"宇宙航空研究開発機構宇宙科学研究所大気球実験グループ(JAXA)(ISAS)"},{"subitem_text_value":"宇宙航空研究開発機構宇宙科学研究所学際科学研究系(JAXA)(ISAS)"},{"subitem_text_value":"東京工業大学"},{"subitem_text_value":"早稲田大学"}]},"item_3_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Waseda University"},{"subitem_text_language":"en","subitem_text_value":"Research Unit II, Research and Development Directorate, Japan Aerospace Exploration Agency (JAXA)"},{"subitem_text_language":"en","subitem_text_value":"Tokyo Metropolitan University"},{"subitem_text_language":"en","subitem_text_value":"Waseda University"},{"subitem_text_language":"en","subitem_text_value":"Department of Space Astronomy and Astrophysics, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)"},{"subitem_text_language":"en","subitem_text_value":"Waseda University"},{"subitem_text_language":"en","subitem_text_value":"Waseda University"},{"subitem_text_language":"en","subitem_text_value":"National Defense Academy"},{"subitem_text_language":"en","subitem_text_value":"Osaka Prefecture University"},{"subitem_text_language":"en","subitem_text_value":"Research Unit I, Research and Development Directorate, Japan Aerospace Exploration Agency (JAXA)"},{"subitem_text_language":"en","subitem_text_value":"Scientific Ballooning Research and Operation Group, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)"},{"subitem_text_language":"en","subitem_text_value":"Scientific Ballooning Research and Operation Group, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)"},{"subitem_text_language":"en","subitem_text_value":"Department of Interdisciplinary Space Science, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)"},{"subitem_text_language":"en","subitem_text_value":"Tokyo Institute of Technology"},{"subitem_text_language":"en","subitem_text_value":"Waseda University"}]},"item_3_version_type_30":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"石村, 康生"}],"nameIdentifiers":[{"nameIdentifier":"545662","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"河野, 太郎"}],"nameIdentifiers":[{"nameIdentifier":"545663","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"鳥阪, 綾子"}],"nameIdentifiers":[{"nameIdentifier":"545664","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"宮下, 朋之"}],"nameIdentifiers":[{"nameIdentifier":"545665","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"土居, 明広"}],"nameIdentifiers":[{"nameIdentifier":"545666","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"山崎, 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