Dr. Shun Takeda Profile

Dr. Shun Takeda

at Kitasato University

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Publications (7)

Proceedings Article | 5 March 2021 Poster + Presentation + Paper

Development of phase-locked loop high-frequency optically pumped atomic magnetometer module operating under unshielded condition

Shun Takeda, Hiroshi Kumagai, Satoru Nebuya

Proceedings Volume 11700, 1170047 (2021) https://doi.org/10.1117/12.2578034

KEYWORDS: Optical pumping, Magnetometers, Magnetism, Phase shift keying, Magnetic sensors, Vibration isolation, Spectroscopy, Modulation, Lung

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Proceedings Article | 5 March 2021 Presentation + Paper

Room-temperature molecular layer deposition of inorganic-organic hybrid aluminum oxide thin films for preventing spin relaxation of cell inner wall of optically pumped atomic magnetometer

Hiroshi Kumagai, Shun Takeda, Ryo Yoshimitsu, Satoru Kobayashi, Haruki Ishikawa

Proceedings Volume 11675, 1167505 (2021) https://doi.org/10.1117/12.2579199

KEYWORDS: Thin films, Magnetometers, Optical pumping, Coating, Chemical species, Thin film coatings, Spin polarization, Rubidium, Deposition processes, Superconductors

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Proceedings Article | 17 February 2020 Paper

Enhancement of Xe-NMR signals at low magnetic field using optical pumping hyperpolarization

Shun Takeda, Hiroshi Kumagai, Mineyuki Hattori

Proceedings Volume 11243, 112431W (2020) https://doi.org/10.1117/12.2544572

KEYWORDS: Xenon, Polarization, Magnetic resonance imaging, Rubidium, Optical pumping, Noble gases

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Proceedings Article | 4 March 2019 Presentation + Paper

Preventing spin relaxation of optically pumped alkali metal atoms by atomically thin hybrid polymer film coating

H. Kumagai, S. Kobayashi, S. Takeda, E. Ogawa, H. Ishikawa

Proceedings Volume 10907, 109070Y (2019) https://doi.org/10.1117/12.2509254

KEYWORDS: Chemical species, Coating, Optical pumping, Polymer thin films, Atomic layer deposition, Spin polarization, Thin films, Magnetism, Rubidium, Alkali metals

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Proceedings Article | 4 March 2019 Paper

Increase of NMR/MIR signals under ultra-low B fields with hyperpolarized Xe using 1W CW single-frequency Ti:Sapphire laser

Shun Takeda, Hiroshi Kumagai, Emiyu Ogawa, Mineyuki Hattori

Proceedings Volume 10881, 108811Q (2019) https://doi.org/10.1117/12.2508126

KEYWORDS: Xenon, Sapphire lasers, Rubidium, Electrons, Magnetic resonance imaging, High power lasers, Continuous wave operation, Noble gases, Optical pumping

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Proceedings Article | 20 February 2018 Paper

Improvement of spin-exchange optical pumping of xenon-129 using in situ NMR measurement in ultra-low magnetic field

Shun Takeda, Hiroshi Kumagai

Proceedings Volume 10497, 104971P (2018) https://doi.org/10.1117/12.2288669

KEYWORDS: Magnetism, Magnetic resonance imaging, Optical pumping, Xenon, Rubidium, Noble gases

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Proceedings Article | 16 February 2017 Paper

Laser polarized Xe NMR and MRI at ultra-low magnetic fields

Shun Takeda, Hiroshi Kumagai

Proceedings Volume 10068, 100681M (2017) https://doi.org/10.1117/12.2250804

KEYWORDS: Magnetic resonance imaging, Xenon, Magnetism, Optical pumping, Gas lasers, Gases, Functional imaging, Tomography, Chemical oxygen iodine lasers, Chemical species, Rubidium, Control systems, Inspection

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Showing 5 of 7 publications

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