著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) TAKAHASHI K.,Compact optical antennas using free-form surface optics for ultrahigh-speed laser communication systems,Optical Engineering,,,2008,47,1,16002,https://cir.nii.ac.jp/crid/1571980076385226624,