Shuichi Hasegawa

ハセガワシュウイチ | Shuichi Hasegawa

Homepage URL (1)： https://kaken.nii.ac.jp/d/r/90262047.ja.html

Research field (3)： Nuclear engineering , Semiconductors, optical and atomic physics , Environmental dynamics

Research keywords (29)：レーザ , 同位体分析 , イオントラップ , 微量分析 , 同位体 , 原子・分子物理 , 原子・分子 , リュードベリ原子 , 放射性廃棄物 , MQDT , ジルコニウム , ハフニウム , 原子分光 , イオン回収 , 鉛原子 , レーザ共鳴イオン化 , 共鳴イオン化法 , レーザーアブレーション , 共鳴イオン化 , 分子軌道法 , 大気浮遊微粒子 , ウラン , 核変換生成物 , 原子炉構造材 , 酸化還元 , 第一原理計算 , レーザー分光、 , マグネタイト , 同位対比

Research theme for competitive and other funds (15)：

2024 - 2027 Realization of ultra-sensitive in-situ isotope ratio analysis of nuclear fuel materials by visualizing laser plasma behavior
2022 - 2025 Study on application of high-resolution laser plasma spectroscopy to remote isotopic analysis for decommissioning
2022 - 2025 Study on application of high-resolution laser plasma spectroscopy to remote isotopic analysis for decommissioning
2019 - 2022 Development of trace radioactive calcium analysis method by isotope separation using atomic Rydberg levels
2018 - 2021 Development of high-resolution resonance laser spectroscopy using laser-induced plasma for remote isotopic analysis of radioactive materials

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Papers (49)：

長谷川秀一. 高出力・高エネルギー可搬型電子線加速器X線源の橋梁非破壊検査への適用-Application of High Power and High Energy X Ray Generated by Deployable Electronic Accelerators to Non Destructive Testing of Bridges-特集次世代の性能評価技術. 橋梁と基礎 = Bridge and foundation engineering. 2024. 58. 5. 25-30
Ryohei Terabayashi, Fumiko Yoshida, Takanori Kunimaru, Shuichi Hasegawa. A cavity ringdown spectrometer for methane isotope analysis using a 1.65 μm distributed feedback diode laser with fiber optical feedback loop. The Review of scientific instruments. 2024. 95. 4
長谷川秀一. レーザー共鳴励起を利用した同位体制御による極微量同位体分析手法の開発-Development of Methodology of Isotope Manipulation of Laser Resonance Excitation for Trace Trace Isotope Analysis-特集同位体システムを利用して時間情報を読み解く. Radioisotopes / 日本アイソトープ協会radioisotopes編集委員会編. 2023. 72. 2. 197-210
Hiroyuki Daido, Tomonori Yamada, Koichi Saruta, Masabumi Miyabe, Chikara Ito, Takuya Shibata, Kaoru Inoue, Ryohei Terabayashi, Shuichi Hasegawa. Observation and characterization of quasi-continuous wave kW-class laser interaction with metal and metal oxide targets using a high-speed camera and microscopes. Physica Scripta. 2023
Masabumi Miyabe, Masaaki Kato, Shuichi Hasegawa. Doppler-free ablation fluorescence spectroscopy of Ca for high-resolution remote isotopic analysis. Journal of Analytical Atomic Spectrometry. 2023. 38. 2. 347-358

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MISC (41)：

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Books (2)：

原子力年鑑
日刊工業新聞社 2023 ISBN:9784526082962
原子力年鑑
日刊工業新聞社 2022 ISBN:9784526082313

Lectures and oral presentations (154)：

Optimization of DC electric voltage in 3D micro-iontrap
(日本物理学会講演概要集(CD-ROM) 2024)
Development of <sup>90</sup>Sr Resonance Ionization and Ion Trap-laser Cooling Spectroscopy-<b>【※】</b>若手優秀講演賞エントリー
(アイソトープ・放射線研究発表会 2024)
Energy shift observation of Rydberg atoms for calcium isotope analysis
(日本原子力学会春の年会予稿集(CD-ROM) 2023)
Observation of Near-infrared Ro-vibrational Transitions of Strontium Oxide for Strontium-90 Analysis Based on Cavity Enhanced Laser Absorption Spectroscopy
(応用物理学会春季学術講演会講演予稿集(CD-ROM) 2023)
Report on Steel Material Investigation of PC Box Girder Using High-Energy X-ray Generator
(土木学会全国大会年次学術講演会(Web) 2023)

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Work history (1)：

2015 - The University of Tokyo

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