Okada Kunihiro

(岡田邦宏)

Profile Information

Affiliation: Professor, Faculty of Science and Technology, Department of Materials and Life Sciences, Sophia University

Degree: 修士（理学）(電気通信大学)
博士（理学）(電気通信大学)

Researcher number: 90311993
J-GLOBAL ID: 200901030387734206
researchmap Member ID: 1000293762

(Subject of research)
Study of ultracold ion-polar molecule reactions by a Stark velocity selector and a laser-cooling technique
Chemical reaction of laser-excited Ca^+ with H_2O in an ion trap
Study of Coulomb crystals of cold trapped ions in a linear rf multipole ion trap
Development of Liquid-Helium Cooled Linear Ion Trap for Precise Spectroscopy

Major Research Interests

Research Areas

Research History

Jul, 2012 - Sep, 2012

講義等委託教員, 国立大学法人東京工業大学
Apr, 2011 - Mar, 2012

RIKEN
Jan, 2010 - Mar, 2010

Tokyo Metropolitan University
Sep, 2008 - Mar, 2009

Rikkyo University／Saint Paul's University
Sep, 2002 - Mar, 2003

Faculty of Economics, Saitama University

Papers

139

Precision spectroscopy of the Zeeman splittings of the (9)Be(+)2(2)S(1/2) hyperfine structure for nuclear structure studies

T Nakamura, M Wada, K Okada, Katayama, I, S Ohtani, HA Schuessler

OPTICS COMMUNICATIONS, 205(4-6) 329-336, May, 2002
Development of an RF ion guide for trapping energetic radioactive nuclear ions

M Wada, Y Ishida, T Nakamura, N Oshima, Y Nakai, TM Kojima, Y Kanai, H Ohyama, T Kambara, Y Yamazaki, A Yoshida, T Kubo, Y Matsuo, Y Fukuyama, K Okada, K Noda, S Ohtani, H Kawakami, Katayama, I

NON-NEUTRAL PLASMA PHYSICS IV, 606 625-633, 2002 Peer-reviewed
Chemical reaction of laser-excited Ca+* with H2O in an ion trap

OKADA KUNIHIRO, M. Wada, L. Boesten, T. Nakamura, I. Katayama, S. Ohtani

RIKEN Accelerator Progress Report, (36) 115, 2002
Cryogenic ion trap for minimization of trapped ion loss

K Okada, M Wada, T Nakamura, Katayama, I, L Boesten, S Ohtani

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 40(6A) 4221-4222, Jun, 2001
Ion dynamics and oscillation frequencies in a linear combined trap

T Nakamura, S Ohtani, M Wada, K Okada, Katayama, I, HA Schuessler

JOURNAL OF APPLIED PHYSICS, 89(5) 2922-2931, Mar, 2001
Hairpin-filament electron guns for low-energy use

L Boesten, K Okada

MEASUREMENT SCIENCE AND TECHNOLOGY, 11(5) 576-583, May, 2000
RF ion guide for collecting ions in energetic radioactive beams

Wada M., Kojima T. M., Kanai Y., Kambara T., Yamazaki Y., Okada S., Okada K., Katayama I., Kawakami H., Noda K., Nakamura T., Ohtani S., Nakai Y.

Meeting Abstracts of the Physical Society of Japan, 55 47-47, 2000
Precision spectroscopy of the hyperfine structure of ^9Be^+ ion in a strong magnetic field using a combined linear ion trap

Nakamura T., Wada M., Okada K., Katayama I., Ohtani S., Shuessler H. A.

Meeting Abstracts of the Physical Society of Japan, 55 118-118, 2000
Development of a cryogenic linear ion trap for spectroscopic application

Okada K., Boesten L., Wada M., Nakamura T., Ohtani S., Katayama I.

Meeting Abstracts of the Physical Society of Japan, 55 131-131, 2000
31a-ZC-7 Status of the hyperfine structure spectroscopy experiment of the ^7Be ion trapped in a linear Paul trap

Okada K., Wada M., Tanaka J., Kawakami H., Katayama I., Okada S., Nakamura T., Iida R., Ohtani S.

Meeting Abstracts of the Physical Society of Japan, 54 761-761, 1999
31a-ZC-7 Status of the hyperfine structure spectroscopy experiment of the ^7Be ion trapped in a linear

Okada K., Wada M., Tanaka J., Kawakami H., Katayama I., Okada S., Nakamura T., Iida R., Ohtani S.

Meeting Abstracts of the Physical Society of Japan, 54 290-290, 1999
Laser-microwave double-resonance spectroscopy of laser-cooled Be-9(+) ions in a weak magnetic field for studying unstable Be isotopes

K Okada, M Wada, T Nakamura, R Iida, S Ohtani, J Tanaka, H Kawakami, Katayama, I

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 67(9) 3073-3081, Sep, 1998
Status of the laser-microwave spectroscopy experiment for the hyperfine structure of Be-7

K Okada, Katayama, I, M Wada, T Nakamura, S Ohtani, G Marx, S Fujitaka, J Tanaka, H Kawakami

HYPERFINE INTERACTIONS, 115(1-4) 209-213, 1998
Laser-microwave spectroscopy of the hyperfine structure of Be-9 for the investigation of unstable Be isotopes

M Wada, K Okada, H Wang, K Enders, F Kurth, T Nakamura, S Fujitaka, J Tanaka, H Kawakami, S Ohtani, Katayama, I

NUCLEAR PHYSICS A, 626(1-2) 365C-373C, Nov, 1997
Accumulation of ions from a recoil mass separator in a new type of linear ion trap

S Fujitaka, M Wada, H Wang, J Tanaka, H Kawakami, Katayama, I, K Ogino, H Katsuragawa, T Nakamura, K Okada, S Ohtani

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 126(1-4) 386-391, Apr, 1997
A laser-microwave double resonance for unstable nuclear ions

K Okada, T Nakamura, S Ohtani, M Wada, H Wang, S Fujitaka, J Tanaka, H Kawakami, Katayama, I

PHYSICA SCRIPTA, T73 67-69, 1997 Peer-reviewed
Laser-Microwave Double-Resonance Spectroscopy of Be Isotopes in an Ion Trap for the Determination of the Nuclear Magnetic Moment of ⁷Be (共著)

OKADA KUNIHIRO

Proceedings of Proceedings of the International Symposium on Non-nucleonic degrees of freedom detected in nuclei : NNDF'96, Osaka, Japan, 2-15 September 96, 321-324, 1997
A laser-microwave double resonance for unstable nuclear ions

Okada, Kunihiro, Nakamura, T, Ohtani, S, Wada, M, Wang, H, Fujitaka, S, Tanaka, J, Kawakami, H, Katayama, I

Physica scripta. [Topical issues.], 73(73) 67-69, 1997
A simple method for counting the number of trapped ions in an ion trap

Kunihiro Okada, T. Nakamura, S. Ohtani, M. Wada, J. Tanaka, H. Kawakami, I. Katayama, D. Schnier, H.A. Schuessler, O. Becker, F. Arbes, G. Werth

Applied Physics B, 64(1) 91-95, Dec, 1996
核研における不安定核のイオントラップ

岡田邦宏, 中村貴志, 大谷俊介, 和田道治, 王海鳴, 藤高伸一郎, 荻野邦洋, 田中仁市, 川上宏金, 片山一郎

原子核研究, 41(2) 77-82, May, 1996
Hyperfine structure speciroscopy of Be isotopes fot the determination of the magnetic moment of ^7Be

Okada K., Kurth F., Enders K., Werth G., Nakamura T., Ohtani S., Wada M., Wang H., Fujitaka S., Tanaka J., Kawakami H., Katayama I.

Meeting Abstracts of the Physical Society of Japan, 1996 498-498, 1996
Hyperfine structure spectroscopy of Be isotopes for the detemination of the magnetic moment of 7^Be

Okada K., Enders K., Weth G., Nakamura T., Ohtani S., Wada M., Wang H., Fujitaka S., Tanaka J., Kawakami H., Katayama I.

Meeting Abstracts of the Physical Society of Japan, 1996 49-49, 1996
9a-G-7 Hyperfine Structure Spectroscopy of Be isotopes for the determination of the magnetic moment of ^7Be(II)

Wang H., Kurth F., Enders K., Werth G., Wada M., Fujitaka S., Tanaka J., Kawakami H., Katayama I., Okada K., Nakamura T., Ohtani S.

Meeting Abstracts of the Physical Society of Japan, 1996 143-143, 1996
2p-S-7 Laser cooling and laser-microwave double resonance spectroscopy of trapped ^9Be^+ ions in a linear RF trap

Okada K., Katayama I., Enders K., Werth G., Nakamura T., Ohtani S., Wada M., Wang H., Fujitaka S., Ogino K., Tanaka J., Kawakami H.

Meeting Abstracts of the Physical Society of Japan, 51 452-452, 1996
Nuclear laser spectroscopy with on-line ion traps

M Wada, Katayama, I, H Kawakami, J Tanaka, S Fujitaka, Y Ogino, H Wang, K Okada, T Nakamura, S Ohtani

HYPERFINE INTERACTIONS, 103(1-4) 59-70, 1996
Project of systematic hyperfine structure measurements for unstable ions by using an ion trap

Okada K., Katayama I., Nakamura T., Ohtani S., Wada M., Tanaka J., Kawakami H., Fujitaka S., Ogino K., Wan H.

Meeting Abstracts of the Physical Society of Japan, 50 33-33, 1995
Laser cooling and Ionic crystals of Ca^+ in a linear RF ion trap

Nakamura T., Okada K., Ohtani S., Wada M., Katayama I., Schnier D., Schuessler H.

Meeting Abstracts of the Physical Society of Japan, 50 33-33, 1995
Project of systematic hyperfine structure measurements for unstable ions by using an ion trap

Okada K, Katayama I, Nakamura T, Ohtani S, Wada M, Tanaka J, Kawakami H, Fujitaka S, Ogino K, Wan H

Meeting Abstracts of the Physical Society of Japan, 50 452-452, 1995
Laser cooling and Ionic crystals of Ca^+ in a linear RF ion trap

Nakamura T, Okada K, Ohtani S, Wada M, Katayama I, Schnier D, Schuessler H

Meeting Abstracts of the Physical Society of Japan, 50 453-453, 1995
Nuclear Laser Spectroscopy for Ca Isotope Ions in an Ion Trap

OKADA KUNIHIRO

39(1) 59-68, Aug, 1994
4a-K-1 Muclear le\aser spectroscopy of Ca+ isotopes using ion trapsII

Nakamura T, Okada K, Becker O, Arbes F, Wada M, Schuessler H, Katayama I, Ohtani S

Meeting Abstracts of the Physical Society of Japan, 1994 338-338, 1994
4a-K-1 Nuclear laser spectoscopy of Ca^+ isotopes using ion traps II

Nakumura T, Okada K, Becker O, Arbes F, Wada M, Schuessler H, Katayama I, Ohtani S

Meeting Abstracts of the Physical Society of Japan, 1994 43-43, 1994
30p-YR-8 Nuclear Laser Spectroscopy of Ca^+ isotopes using ion traps

Okada Kunihiro, Nakanura Takashi, Wada Michiharu, Katayama Ichiro, Ohtani Shunsuke

Meeting Abstracts of the Physical Society of Japan, 49 146-146, 1994
30p-YR-8 Nuclear laser spectroscopy of Ca^+isotopes using ion traps

Okada Kunihiro, Nakamura Takashi, Wada Michiharu, Katayama Ichiro, Ohtani Shunsuke

Meeting Abstracts of the Physical Society of Japan, 49 408-408, 1994
30p-YR-8 Nuclear laser spectroscopy of Ca^+ isotopes using ion traps

Okada Kunihiro, Nakamura Takashi, Wada Michiharu, Katayama Ichiro, Ohtani Shunsuke

Meeting Abstracts of the Physical Society of Japan, 49 69-69, 1994
TRAPPING OF MULTIPLY-CHARGED TA IONS PRODUCED BY LASER-ABLATION IN AN ION-TRAP

S KITAZAWA, K OKADA, T NAKAMURA, S OHTANI, H TAKUMA

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 32(11A) 5147-5148, Nov, 1993 Peer-reviewed
13p-DB-1 High resolution spectroscopy of Ca^+ with arfion trap

Okada Kunihiro, Nakamura Takashi, Wada Michiharu, Katayama Ichiro, Ohtani Shunsuke

Meeting Abstracts of the Physical Society of Japan, 1993 48-48, 1993
1a-L-4 High resolution spectroscopy of Ca^+ with RF ion trap

Okada Kunihiro, Wakao Satoshi, Wada Michiharu, Katayama Ichiroh, Ohtani Shunsuke

Meeting Abstracts of the Physical Society of Japan, 48 60-60, 1993
AN ONLINE ION-TRAP FOR UNSTABLE NUCLEI AT INS

M WADA, HJ XU, J TANAKA, H KAWAKAMI, KATAYMA, I, K OKADA, S OHTANI

HYPERFINE INTERACTIONS, 81(1-4) 161-170, 1993

Misc.

29pCH-7 Development of a Kingdon ion trap for the purpose of laboratory observation of the X-ray forbidden transitions caused by solar wind II

Numadate N., Okada K., Nakamura N., Tanuma H.

Meeting abstracts of the Physical Society of Japan, 69(1) 210-210, Mar 5, 2014
30aCF-8 Cryogenic linear ion trap for production and detection of rotationally cooled CaH^+

Okada K., Nakazato N., Wada M., Schuessler H. A.

Meeting abstracts of the Physical Society of Japan, 69(1) 218-218, Mar 5, 2014
Development of a Kingdon ion trap for the purpose of laboratory observation of the X-ray forbidden transitions caused by solar wind II

Numadate N., Okada K., Nakamura N., Tanuma H.

Meeting abstracts of the Physical Society of Japan, 68(2) 165-165, Aug 26, 2013
Cold ion-polar molecule reactions studied with a combined Stark velocity filter-ion trap apparatus III

Ichikawa M., Wada M., Shuessler H.A., Okada K.

Meeting abstracts of the Physical Society of Japan, 68(2) 166-166, Aug 26, 2013
Development of the Resonant Ionization Laser Ion Source (PALIS) at RIBF-SLOWRI and its application for nuclear laser spectroscopy

Sonoda T., Wada M., Iimura H., Ueno H., Tomita H., Adachi T., Takatsuka T., Wendt K., Kubo T., Wakasugi M., Kusaka K., Maie T., Yamazawa H., Fujinawa M., Katayama I., Arai F., Schury P., Shinozuka T., Wakui T., Matsuo Y., Furukawa T., Miyatake H., Ishiyama H., Imai N., Hirayama Y., Watanabe Y.X., Jeong S., Okada K., Itou Y., Nakao A.

Meeting abstracts of the Physical Society of Japan, 68(2) 58-58, Aug 26, 2013

Books and Other Publications

低温と環境の科学事典「11-14 宇宙低温下の気相反応と分子生成」

岡田邦宏

朝倉書店, Jul 25, 2016 (ISBN: 9784254161281)
量子エレクトロニクス講義ノート

Apr 19, 2012

物質生命理工学科専門科目「量子エレクトロニクス」講義ノート
原子分子科学講義ノート

Apr 18, 2012

理工学部共通Ⅱ群科目「原子分子科学」講義ノート
『An isolated atomic particle at rest in free space : a tribute to Hans Dehmelt, Nobel Laureate』「Probing structure at the femtometer scale」

Okada Kunihiro (Role: Contributor, 34-49)

Oxford : Alpha Science, Jun, 2006 (ISBN: 9781842651612)

Presentations

低速極性分子線とバッファーガス冷却イオンを組合わせた低温イオン-極性分子反応の研究

岡田邦宏, 崎本一博, Hans A. Schuessler

日本物理学会 2022年秋季大会, Sep 15, 2022
冷却多重極線形イオントラップを用いた低温イオン-極性分子反応測定装置の開発II

木村直樹, 岡田邦宏, 崎本一博

日本物理学会 2022年秋季大会, Sep 15, 2022
低エネルギーイオン-極性分子反応における回転温度冷却効果の観測

岡田邦宏

原子衝突学会第47回年会, Sep 8, 2022 Invited
バッファーガス冷却法による低エネルギーイオン極性分子反応の研究

岡田邦宏

冷却分子・精密分光シンポジウム, Aug 26, 2022, 久間晋，宮本祐樹 Invited

近年、冷却分子の物理と化学が新しいステージを迎えており、極低温冷却原子の登場が与えたインパクトに匹敵する分子科学研究の新展開が期待されています。分子および分子イオンの冷却法、高精度光周波数コム分光、超高分解能分光、量子化学計算などの多岐にわたる研究手法がそのベースとなっています。個々の分野で新しい成果が生まれつつある今、重要なのは異分野の研究者間の交流と統合的な議論です。本シンポジウムでは多彩な分野から講演者をお呼びし、冷却分子と精密分光研究の方向性を模索します。
An experimental study of cold ion-polar molecule reactions toward the application to astrochemistry

Kunihiro Okada

Pacifichem 2021, Dec 17, 2021 Invited

Professional Memberships

Major Research Projects

A study of atomic tunneling effect in low-energy ion--polar-molecule reactions

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2023 - Mar, 2028
Experimental study of gas phase chemical reaction by advanced beam technologies

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Nov, 2020 - Mar, 2025
New development for studying cold ion chemistry in interstellar molecular coulds

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2018 - Mar, 2023

Okada Kunihiro
Systematic study of cold ion-polar molecule reactions for interstellar chemistry

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2019

Okada Kunihiro
Measurements of rovibrational constants of CaH+ for studying possible time variation of electron-proton mass ratio

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2018

Okada Kunihiro
Observation of X-ray forbidden transition from solar wind in laboratory

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2011 - Mar, 2015

TANUMA HAJIME, NAKAMURA Nobuyuki, OKADA Kunihiro, ISHISAKI Yoshitaka, OHASI Takaya, MITSUDA Kazuhisa, EZOE Yuichiro
冷却多重極線形イオントラップとレーザー冷却法による星間空間イオン分子反応の研究

松尾学術研究助成金, 松尾学術財団, Apr, 2004 - Mar, 2005

Other

（教育実績）学生実験課題の企画・実施

Apr, 2006

理工学部物理学科3年生を対象とした学生実験に新たに課題「イオントラップ」を企画し、実施している。本課題では、物理実験を行う上で重要な"装置の製作・組立"、"計測装置の設置・配線"、"測定"及び"データ解析"といった一連の作法を経験できるように内容を工夫した。また、コンピュータシミュレーションを取り入れることによって、計算機を使った模擬実験を体験させることができ，また，実験内容の理解を深めることが出来るように配
（教育実績）授業運営の工夫

Apr, 2003 - Mar, 2005

理工学部物理学科2年生を対象とした「基礎物理演習II」及び「基礎物理演習IV」における授業では、事前に配布した演習問題を小テスト形式で解答させることによって、学生に緊張感を持たせた状態で演習問題に取り組めるように工夫した。またホームページに過去の演習問題の履歴と詳細な解答を公開することにより、授業後でも学生が復習できるように工夫した。
（免許・資格）第1種普通自動車運転免許

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