Keigo TOKITA時田 桂吾

• April, 2015 Entered Shizuoka Prefectural Fuji High School
• March, 2018 Graduated from the same
• April, 2019 Entered Department of Life Science and Medical Bioscience, Waseda University
• March, 2023 Graduated form Waseda University, School of Advanced Science and Engineering, Department of Biomedical Sciences
• April, 2023 Major in Nanoscience and Nanoengineering, Graduate School of Advanced Science and Engineering, Waseda Univ. Doctoral Course.

Crystal Optics Group

• Optical properties and symmetry breaking of the copper oxide high-Tc superconductor Bi2Sr2CaCu2O8+x
• Fringe phenomena in HAUP measurements

Chirality, Optical properties

• Chiral Inversion of Thalidomide During Crystal Growth by Sublimation. Mizuki Kira, Yuta Shiga, Kenta Nakagawa, Ayaka Matsumoto, Keigo Tokita, Yukana Terasawa, Kun Zhang, Koichi Tsutao, Takuya Nakanishi, Satoshi Yoshida, Sota Sato, Norio Shibata, Toru Asahi. Crystal Growth & Design, 24(8), 3133-3139, (2024)
• Wavelength dependence of linear birefringence and linear dichroism of Bi2−xPbxSr2CaCu2O8+δ single crystals. Keigo Tokita, Kenta Nakagawa, Kun Zhang, Komei Okano, Masataka Matsumoto, Takuya Nakanishi, Masaki Fujita, Toru Asahi. Scientific Reports, 14(1), 27102, (2024)

• PosterMeasurement of optical anisotropy of Bi_{2-x}Pb_{x}Sr_{2}CaCu_{2}O_{8+δ} using the generalized high-accuracy universal polarimeter. Keigo Tokita, Kenta Nakagawa, Kun Zhang, Komei Okano, Masataka Matsumoto, Takuya Nakanishi, Masaki Fujita, Toru Asahi. 2024国際キラリティー連合会議 (Kyoto, Japan) (2024)
• PosterPbをドープした銅酸化物高温超伝導体Bi2.2-xPbxSr1.8CaCu2O8+δの光学的性質測定. 時田桂吾, チョウコン, 中川鉄馬, 藤田全基, 朝日透. 2024年第71回応用物理学会春季学術講演会 (2024)
• PosterOptical study on high temperature superconductor Bi2Sr2CaCu2O8+x single crystals with the Generalized High Accuracy Universal Polarimeter. Keigo Tokita, Kun Zhang, Masataka Matsumoto, Kenta Nakagawa, Sota Sato, Azusa Matsuda, Toru Asahi. Chirality 2022 (Chicago, USA) (2022)