Prof. Masazumi Fujiwara Profile

Prof. Masazumi Fujiwara

at Okayama Univ

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Author

Publications (10)

Proceedings Article | 13 March 2024 Presentation

On-chip quantum sensing for cellular analysis with ultrabright 12C, N-controlled fluorescent nanodiamonds

Keisuke Oshimi, Minori Teramoto, Hirokazu Tsuji, Yoshiki Nishibayashi, Masazumi Fujiwara

Proceedings Volume PC12912, PC129123N (2024) https://doi.org/10.1117/12.3001251

KEYWORDS: Neodymium, Quantum sensing, Nanodiamonds, Quantum spin, Microwave radiation, Antennas, Quantum detection, Time metrology, Reproducibility, Reflection

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Proceedings Article | 20 September 2023 Paper

Effect of interface in fiber-based optical condensation

Kota Hayashi, Mamoru Tamura, Masazumi Fujiwara, Shiho Tokonami, Takuya Iida

Proceedings Volume 12606, 1260619 (2023) https://doi.org/10.1117/12.3008375

KEYWORDS: Convection, Optical fibers, Bubbles, Interfaces, Liquids, Photothermal effect, Nanolithography, Micro optical fluidics, Engineering, Transmittance

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Proceedings Article | 9 March 2023 Presentation

Glass-patternable notch-shaped microwave architecture for on-chip spin detection in biological samples

Keisuke Oshimi, Yushi Nishimura, Tsutomu Matsubara, Masuaki Tanaka, Eiji Shikoh, Li Zhao, Yajuan Zou, Naoki Komatsu, Yuta Ikado, Yuka Takezawa, Eriko Kage-Nakadai, Yumi Izutsu, Katsutoshi Yoshizato, Saho Morita, Masato Tokunaga, Hiroshi Yukawa, Yoshinobu Baba, Yoshio Teki, Masazumi Fujiwara

Proceedings Volume PC12447, PC124471N (2023) https://doi.org/10.1117/12.2648845

KEYWORDS: Microwave radiation, Antennas, Neodymium, Waveguides, Magnetism, Diamond, Tissues, Signal detection, Sensors, Nitrogen

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Proceedings Article | 5 March 2021 Presentation

Real-time nanodiamond thermometry probing in vivo thermogenic responses

Masazumi Fujiwara, Simo Sun, Alexander Dohms, Yushi Nishimura, Ken Suto, Yuka Takezawa, Keisuke Oshimi, Li Zhao, Nikola Sadzak, Yumi Umehara, Yoshio Teki, Naoki Komatsu, Oliver Benson, Yutaka Shikano, Eriko Kage-Nakadai

Proceedings Volume 11700, 117003E (2021) https://doi.org/10.1117/12.2582685

KEYWORDS: Thermometry, In vivo imaging, Temperature metrology, Organisms, Neodymium, Thermography, Nitrogen, Neural networks, Mode conditioning cables, Image resolution

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Proceedings Article | 4 March 2019 Presentation

Fluorescent-nanodiamond quantum thermometers probing adipose tissue-derived stem cells taken from mice (Conference Presentation)

Masazumi Fujiwara, Hiroshi Yukawa, Kaori Kobayashi, Yumi Umehara, Yoshinobu Baba

Proceedings Volume 10893, 108930B (2019) https://doi.org/10.1117/12.2507545

KEYWORDS: Stem cells, Tissues, Regenerative medicine, Sensors, Chemical reactions, Diagnostics, Biological detection systems, Biological research, Thermometry, Temperature metrology

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Proceedings Article | 15 March 2016 Paper

Ultrathin fiber-taper coupling with nitrogen vacancy centers in nanodiamonds at cryogenic temperatures

Masazumi Fujiwara, Hong-Quan Zhao, Tetsuya Noda, Kazuhiro Ikeda, Hitoshi Sumiya, Shigeki Takeuchi

Proceedings Volume 9762, 97620X (2016) https://doi.org/10.1117/12.2206144

KEYWORDS: Cryogenics, Diamond, Nitrogen, Quantum information, Chemical species, Photons, Fiber couplers, Nanofibers, Solid state physics, Metrology, Luminescence, Microscopes, Laser scattering, Objectives

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Proceedings Article | 23 February 2012 Paper

Near-field coupling of a single NV center to a tapered fiber

Tim Schröder, Masazumi Fujiwara, Tetsuya Noda, Hong-Quan Zhao, Andreas Schell, Günter Kewes, Oliver Benson, Shigeki Takeuchi

Proceedings Volume 8272, 827209 (2012) https://doi.org/10.1117/12.907961

KEYWORDS: Single photon, Luminescence, Near field, Fiber couplers, Nitrogen, Optical filters, Quantum information, Fiber lasers, Confocal microscopy, Near field optics

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Proceedings Article | 23 February 2012 Paper

Suppression of phonon sidebands in the spectrum of nitrogen vacancy centers in diamond nano-crystals

Hong-Quan Zhao, Masazumi Fujiwara, Shigeki Takeuchi

Proceedings Volume 8272, 82720W (2012) https://doi.org/10.1117/12.906638

KEYWORDS: Silicon, Phonons, Diamond, Temperature metrology, Glasses, Luminescence, Cryogenics, Crystals, Nitrogen, Silica

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Proceedings Article | 19 February 2011 Paper

Polarization-purity spectra of a tapered-fiber-coupled microsphere cavity system at cryogenic temperatures

Masazumi Fujiwara, Akira Tanaka, Kiyota Toubaru, Hong-Quan Zhao, Hideaki Takashima, Shigeki Takeuchi

Proceedings Volume 7913, 791317 (2011) https://doi.org/10.1117/12.874587

KEYWORDS: Polarization, Cryogenics, Temperature metrology, Optical microcavities, Diamond, Single mode fibers, Solid state physics, Silica, Cooling systems, Helium

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Proceedings Article | 13 February 2008 Paper

Coherent tunable monochromatic Terahertz-wave generation using N-Benzyl-2-methyl-4-nitroaniline (BNA) crystal

Katsuhiko Miyamoto, Hiroaki Minamide, Masazumi Fujiwara, Hideki Hashimoto, Hiromasa Ito

Proceedings Volume 6875, 68750C (2008) https://doi.org/10.1117/12.762620

KEYWORDS: Crystals, Terahertz radiation, Nonlinear crystals, Nonlinear optics, Optical parametric oscillators, Ferroelectric materials, Refractive index, Scanners, Nd:YAG lasers, Phase matching

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Showing 5 of 10 publications

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