"Akira Sasagawa","Direct observation of Plasmons in Graphene Quantum Dots with Scanning Near-Field Optical Microscopy","Recent Progress in Graphene and 2D Materials Research 2018",,,,,,2018,Oct. "Takuya Okamoto,Akira Sasagawa,Yota Harada,Satsuki Nakano,Wataru Norimatsu,Michiko Kusunoki,Yukio Kawano","Visualization of Zero-Dimensional Plasmons in Graphene Quantum Dots with Near-Field Infrared Microscopy","International Conference on Infrared, Millimeter, and Terahertz Waves 2018 (IRMMW-THz 2018)I",,,,,,2018,Sept. "湯浅 遼一,岡本 拓也,佐々川 昂,河野 行雄","転写法による中赤外帯プラズモニック構造の作製及び表面光電界分布の ナノスケールイメージング","応用物理学会","名古屋国際会議場",,,,,2018,Sept. "Ryoichi Yuasa,Takuya Okamoto,Akira Sasagawa,Yukio Kawano","Nanoscale Observation of Mid-Infrared Field Distribution in a Stamp-Type Plasmonic Structure","International Conference on Infrared, Millimeter and Terahertz Waves",,,,,,2018,Sept. "佐々川 昂,岡本 拓也,原田 頌太,中野 さつき,乗松 航,楠 美智子,河野 行雄","走査型近接場光顕微鏡による0次元グラフェンプラズモンのナノスケール赤外分光","第79回応用物理学会秋季学術講演会","第79回応用物理学会秋季学術講演会 講演予稿集",,,,,2018,Sept. "佐々川 昂,岡本 拓也,河野 行雄","中赤外光近接場顕微鏡を用いたグラフェンの層数評価","第78回応用物理学会秋季学術講演会","第78回応用物理学会秋季学術講演会 講演予稿集",,,,,2017,Sept.