Rchr
J-GLOBAL ID：202201021449708227
Update date: Nov. 18, 2024
Hasegawa Seiju
ハセガワ セイジュ | Hasegawa Seiju
Affiliation and department：
Job title：
Assistant Professor
Research field (1)：
Basic physical chemistry
Research keywords (2)：
近接場分光
, プラズモン
Research theme for competitive and other funds (5)：
- 2023 - 2027 光場制御と強結合によるナノ光増強場の高度化と機能開拓
- 2023 - 2025 キャリアドープシリコンナノ球の光機能開拓とそれを用いた磁気センサー開発
- 2022 - 2024 液中開口型近接場光学顕微鏡の開発とそれを用いたプラズモニック触媒特性の解明と制御
- 2020 - 2024 Active control of photo-excited states and energy propagation with manipulated optical fields
- 2019 - 2022 Control of plasmon field by excitation field modification and development of super-resolution fluorescence imaging
Papers (14)：
-
Seiju Hasegawa, Masatoshi Kanoda, Mamoru Tamura, Kota Hayashi, Shiho Tokonami, Takuya Iida, Kohei Imura. Plasmon dephasing time and optical field enhancement in a plasmonic nanobowl substrate studied by scanning near-field optical microscopy. The Journal of Chemical Physics. 2024. 161. 5. 054713
-
Keiko Tawa, Takeha Shinohara, Yasunori Nawa, Seiju Hasegawa, Kohei Imura. Nanoantenna Effect at the Center of the Bull’s Eye Pattern by Controlling the Refractive Indices and Layer Thicknesses of Dielectric Media on a Silver Surface. The Journal of Physical Chemistry C. 2024. 128. 7. 3011-3018
-
Seiju Hasegawa, Honoka Ichikawa, Kohei Imura. Selective Excitation of Dark Plasmon Modes Using Cylindrical Vector Beams Studied by Microscopic Imaging of Nonlinear Photoluminescence. The Journal of Physical Chemistry C. 2024. 128. 6. 2536-2542
-
Seiju Hasegawa, Kohei Imura. Photoluminescence Properties of Gold Nanorod and J-Aggregate Hybrid Systems Studied by Scanning Near-Field Optical Microscopy. The Journal of Physical Chemistry C. 2022. 126. 13. 5944-5949
-
Tomoya Nagasue, Takeha Shinohara, Seiju Hasegawa, Kohei Imura, Keiko Tawa. Nanoantenna effect dependent on the center structure of Bull's eye-type plasmonic chip. OPTICS EXPRESS. 2022. 30. 5. 7526-7538
ｍore...
MISC (33)：
-
長谷川誠樹, 林ひな, 井村考平. Light Confinement of CsPbBr3 Microplates Studied by Near-Field Imaging. 日本化学会春季年会講演予稿集(Web). 2023. 103rd
-
篠原洸羽, 名和靖矩, 長谷川誠樹, 井村考平, 田和圭子. Plasmon resonance condition dependence of nano-antenna enhancement effect at the center of Bull’s eye plasmonic chip. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2023. 70th
-
長谷川誠樹, 市川帆乃香, 井村考平. Nonlinear Photoluminescence Properties of Gold Nanoplates Studied by Azimuthally and Radially Polarized Light Excitation. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2023. 70th
-
甲斐亨, 長谷川誠樹, 井村考平. Study on plasmon-exciton interaction in gold nanorod-MoS<sub>2</sub> hybrid structure. 分子科学討論会講演プログラム&要旨(Web). 2023. 17th
-
長谷川誠樹, 市川帆乃香, 井村考平. Cylindrical polarization dependence of nonlinear excitation image on gold nanoplate. 分子科学討論会講演プログラム&要旨(Web). 2023. 17th
ｍore...
Lectures and oral presentations (60)：
-
電気化学的手法を用いた金ナノプレートの形状変化とその光学特性
(第14回CSJ化学フェスタ(2024)C 2024)
-
ガルバニック置換反応を用いたAg-Auナノハイブリット体の合成とその光学特性評価
(第14回CSJ化学フェスタ(2024) 2024)
-
金ナノプレートに励起されるプラズモンの共鳴特性と増強光キラル場の研究
(第85回応用物理学会秋季学術講演会 2024)
-
Three-dimensional visualization of nanooptical chiral field induced near single gold nanoplate
(2024)
-
Imaging of optical chirality near single gold nanoplates illuminated by linearly polarized near-field
(Optics and Photonics International Congress (OPIC), The 11th Optical Manipulation and Structured Materials Conference (OMC2024) 2024)
ｍore...
Education (3)：
- 2019 - 2022 Waseda University Graduate School of Advanced Science and Engineering
- 2017 - 2019 Waseda University Graduate School of Advanced Science and Engineering
- 2012 - 2017 Waseda University School of Advanced Science and Engineering Department of Chemistry and Biochemistry
Work history (2)：
- 2022/04 - 現在 Waseda University Faculty of Science and Engineering Assistant professor
- 2019/04 - 2022/03 Japan Society for the Promotion of Science
Awards (6)：
Association Membership(s) (4)：
日本分光学会
, 日本化学会
, 分子科学会
, 応用物理学会
