大学共通

研究成果

年別の研究成果 1980 1998 2003 2005 2006 2007 2011 2012 2013 2014 2015 2022

• 232 Article
• 78 Conference contribution
• 24 Paper
• 23 Conference article
• 20 その他
  • 11 Chapter
  • 5 Review article
  • 3 Editorial
  • 1 Book

年別の研究成果

年別の研究成果

検索結果

• Nonlinear Distortion Reduction Effect of Graded-Index Plastic Optical Fiber

  Muramoto, K., Inoue, A. & Koike, Y., 2019 5月 15, In: IEEE Photonics Technology Letters. 31, 10, p. 791-794 4 p., 8676016.

  研究成果: Article › 査読

  • Plastic optical fibers 100%
  • signal distortion 95%
  • Signal distortion 89%
  • plastic fibers 86%
  • Nonlinear distortion 86%
  2 被引用数 (Scopus)

• Nontraditional family-related attitudes in Japan: Macro and micro determinants

  Choe, M. K., Bumpass, L. L., Tsuya, N. O. & Rindfuss, R. R., 2014 6月, In: Population and Development Review. 40, 2, p. 241-271 31 p.

  研究成果: Article › 査読

  • Japan 66%
  • family 65%
  • determinants 64%
  • gender role 38%
  • cohabitation 36%
  24 被引用数 (Scopus)

• Novel amorphous perfluorocopolymeric system: Copolymers of perfluoro-2-methylene-1,3-dioxolane derivatives

  Yang, Y. U., Mikeš, F., Yang, L., Liu, W., Koike, Y. & Okamoto, Y., 2006 3月 1, In: Journal of Polymer Science, Part A: Polymer Chemistry. 44, 5, p. 1613-1618 6 p.

  研究成果: Article › 査読

  • Copolymers 100%
  • Copolymerization 69%
  • Derivatives 69%
  • Amorphous Material 58%
  • Copolymer 55%
  14 被引用数 (Scopus)

• Observation of fluorescence in an optically pumped erbium-containing perfluorinated medium at 1.5 μm

  Kuriki, K., Nishihara, S., Nishizawa, Y., Yoshinaga, T., Tagaya, A., Koike, Y. & Okamoto, Y., 2003 4月 1, In: Optics Letters. 28, 7, p. 570-572 3 p.

  研究成果: Article › 査読

  • erbium 100%
  • fluorescence 76%
  • yttrium-aluminum garnet 50%
  • wavelengths 49%
  • optical communication 44%
  10 被引用数 (Scopus)

• Optical and thermal properties of methyl methacrylate and pentafluorophenyl methacrylate copolymer: Design of copolymers for low-loss optical fibers for gigabit in-home communications

  Koike, K., Kado, T., Satoh, Z., Okamoto, Y. & Koike, Y., 2010 3月 11, In: Polymer. 51, 6, p. 1377-1385 9 p.

  研究成果: Article › 査読

  • Plastic optical fibers 100%
  • Optical properties 83%
  • Copolymers 79%
  • Optical fibers 70%
  • Methyl Methacrylate 63%
  24 被引用数 (Scopus)

• Optical characterization of doped thermoplastic and thermosetting polymer-Optical-Fibers

  Ayesta, I., Illarramendi, M. A., Arrue, J., Parola, I., Jiménez, F., Zubia, J., Tagaya, A. & Koike, Y., 2017, In: Polymers. 9, 3, 90.

  研究成果: Article › 査読

  Open Access

  • Plastic optical fibers 100%
  • Thermoplastics 67%
  • Optical gain 58%
  • Spontaneous emission 54%
  • Optical losses 52%
  18 被引用数 (Scopus)

• Optical Waveguide

  Koike, Y., 1989, In: Sen'i Gakkaishi. 45, 2

  研究成果: Article › 査読

• Optimization of Modal and Material Dispersions in High-Bandwidth Graded-Index Polymer Optical Fibers

  Nihei, E., Ishigure, T. & Koike, Y., 1997, In: ACS Symposium Series. 672, p. 58-70 13 p.

  研究成果: Article › 査読

  • Plastic optical fibers 100%
  • Dispersions 87%
  • Refractive Index 64%
  • Fiber 42%
  • Bandwidth 42%
  5 被引用数 (Scopus)

• Optimization of the refractive-index distribution of high-bandwidth GI polymer optical fiber based on both modal and material dispersions

  Ishigure, T., Nihei, E. & Koike, Y., 1996 1月 1, In: Polymer Journal. 28, 3, p. 272-275 4 p.

  研究成果: Article › 査読

  Open Access

  • Plastic optical fibers 100%
  • Dispersions 87%
  • Refractive index 87%
  • Refractive Index 64%
  • Fiber 42%
  23 被引用数 (Scopus)

• Optimum index profile of the perfluorinated polymer-based GI polymer optical fiber and its dispersion properties

  Ishigure, T., Koike, Y. & Fleming, J. W., 2000 2月, In: Journal of Lightwave Technology. 18, 2, p. 178-184 7 p.

  研究成果: Article › 査読

  • optical fibers 100%
  • polymers 77%
  • profiles 71%
  • wavelengths 19%
  • attenuation 19%
  139 被引用数 (Scopus)

• Optimum refractive–index profile of the graded–index polymer optical fiber, toward gigabit data links

  Ishigure, T., Nihei, E. & Koike, Y., 1996 4月 20, In: Applied Optics. 35, 12, p. 2048-2053 6 p.

  研究成果: Article › 査読

  • Plastic optical fibers 100%
  • data links 93%
  • optical fibers 50%
  • polymers 39%
  • profiles 36%
  122 被引用数 (Scopus)

• Order amidst change: Work and family trajectories in Japan

  Rindfuss, R. R., Choe, M. K., Kabamalan, M. M. M., Tsuya, N. O. & Bumpass, L. L., 2010, In: Advances in Life Course Research. 15, 2-3, p. 76-88 13 p.

  研究成果: Article › 査読

  • Japan 100%
  • marriage 78%
  • macro level 68%
  • young adult 56%
  • pension 35%
  12 被引用数 (Scopus)

• Otedama: A relocatable RFID information repository architecture

  Suzuki, S., Van Meter, R., Nakamura, O. & Murai, J., 2010 11月, In: IEICE Transactions on Information and Systems. E93-D, 11, p. 2922-2931 10 p.

  研究成果: Article › 査読

  • Radio frequency identification (RFID) 100%
  • Relocation 21%
  • Middleware 17%
  • Information retrieval 17%
  • Managers 15%
  1 被引用数 (Scopus)

• Packet forwarding along an explicit route using the unused address pool on a packet switching network

  Imaizumi, H., Nagami, K. I., Nakamura, O. & Murai, J., 2007 9月, In: Electronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi). 90, 9, p. 78-89 12 p.

  研究成果: Article › 査読

  • Packet switching 100%
  • Packet networks 93%
  • Switching networks 90%
  • Routers 76%
  • multi-protocol label switching 40%

• Permissible link quality for RFID anti-collision in a practical environment

  Kawakita, Y., Nakamura, O. & Murai, J., 2008, In: IEICE Transactions on Communications. E91-B, 5, p. 1480-1489 10 p.

  研究成果: Article › 査読

  • Radio frequency identification (RFID) 100%
  • Telecommunication links 97%
  • Degradation 36%
  • Poisson distribution 36%
  • Automatic identification 31%
  2 被引用数 (Scopus)

• Physical aging and light scattering of low-loss poly(methyl methacrylate) glass

  Tanio, N., Kato, H., Koike, Y., Bair, H. E., Matsuoka, S. & Blyler, L. L., 1998, In: Polymer Journal. 30, 1, p. 56-59 4 p.

  研究成果: Article › 査読

  Open Access

  • Light scattering 100%
  • Polymethyl methacrylates 93%
  • Light Scattering 64%
  • Aging of materials 56%
  • Glass 55%
  17 被引用数 (Scopus)

• Plastic axial gradient-index lens

  Koike, Y., Hidaka, H. & Ohtsuka, Y., 1985 12月 15, In: Applied Optics. 24, 24, p. 4321-4325 5 p.

  研究成果: Article › 査読

  • Lenses 100%
  • Aberrations 77%
  • Refractive index 77%
  • plastics 76%
  • lenses 72%
  29 被引用数 (Scopus)

• Plastic Critical Fiber

  Koike, Y. & Nihei, E., 1994, In: Sen'i Gakkaishi. 50, 12, p. P-623-P-627

  研究成果: Article › 査読

• Plastic Gradient-Index Optical Fiber and Optical Devices

  Koike, Y., 1986 1月, In: Sen'i Gakkaishi. 42, 4, p. 122-129 8 p.

  研究成果: Article › 査読

• Poly(styrene)-based graded-index plastic optical fiber for home networks

  Akimoto, Y., Asai, M., Koike, K., Makino, K. & Koike, Y., 2012 6月 1, In: Optics Letters. 37, 11, p. 1853-1855 3 p.

  研究成果: Article › 査読

  • plastic fibers 100%
  • polystyrene 69%
  • optical fibers 58%
  • bandwidth 32%
  • fibers 17%
  18 被引用数 (Scopus)

• Polymer optical fiber amplifier

  Tagaya, A., Koike, Y., Kinoshita, T., Nihei, E., Yamamoto, T. & Sasaki, K., 1993, In: Applied Physics Letters. 63, 7, p. 883-884 2 p.

  研究成果: Article › 査読

  • amplifiers 100%
  • optical fibers 94%
  • polymers 73%
  • polymerization 59%
  • gels 49%
  109 被引用数 (Scopus)

• Preliminary experiment for polymer waveguide-type optical isolator: A pulsed optical isolator operation in poly (l-menthylmethacrylate/benzylmethacrylate) copolymer slab waveguide

  Muto, S., Ishiyama, K., Nihei, E. & Koike, Y., 1998 8月, In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 37, 8, p. 4405-4408 4 p.

  研究成果: Article › 査読

  • isolators 100%
  • Copolymers 99%
  • Waveguides 85%
  • copolymers 81%
  • Wavelength 73%
  1 被引用数 (Scopus)

• Propagating mode analysis and design of waveguide parameters of GI POF for very short-reach network use

  Ohdoko, K., Ishigure, T. & Koike, Y., 2005 1月, In: IEEE Photonics Technology Letters. 17, 1, p. 79-81 3 p.

  研究成果: Article › 査読

  • Plastic optical fibers 100%
  • plastic fibers 86%
  • Waveguides 68%
  • optical fibers 50%
  • waveguides 44%
  19 被引用数 (Scopus)

• Proposal of novel temperature-independent Zero–Zero-birefringence polymer with high heat-resistance

  Watanabe, K., Kobayashi, Y. & Koike, Y., 2021 2月 1, In: IEICE Transactions on Electronics. E104C, 2, p. 59-63 5 p.

  研究成果: Article › 査読

  Open Access

  • Birefringence 100%
  • Heat resistance 68%
  • Polymers 49%
  • Temperature 27%
  • Display devices 20%

• Pump-Polarization Effects in Dye-Doped Polymer Optical Fibers

  Asuncion Illarramendi, M., Zubia, J., Bikandi, I., Ayesta, I., Parola, I., Aramburu, I., Arrue, J., Tagaya, A. & Koike, Y., 2018 9月 15, In: Journal of Lightwave Technology. 36, 18, p. 4090-4098 9 p., 8417935.

  研究成果: Article › 査読

  • dyes 100%
  • optical fibers 86%
  • pumps 81%
  • polymers 67%
  • polarization 61%
  2 被引用数 (Scopus)

• Random depolarization film design for real-color displays

  Sasaki, S., Udono, M. & Koike, Y., 2022 1月 20, In: Applied Optics. 61, 3, p. 669-675 7 p.

  研究成果: Article › 査読

  • Depolarization 100%
  • depolarization 71%
  • Display devices 54%
  • Color 51%
  • color 50%

• Real-color displays realized by randomized polarization

  Sasaki, S., Udono, M. & Koike, Y., 2021 4月, In: Applied Optics. 60, 11, p. 3108-3113 6 p.

  研究成果: Article › 査読

  • Polarization 100%
  • Display devices 83%
  • Color 78%
  • color 77%
  • polarization 58%
  2 被引用数 (Scopus)

• Real-time monitoring of multicast group information

  Basuki, A., Thamrin, A. H., Asaeda, H. & Murai, J., 2010 8月, In: IEICE Transactions on Information and Systems. E93-D, 8, p. 2213-2222 10 p.

  研究成果: Article › 査読

  • Feedback 100%
  • Monitoring 89%
  • Parameter estimation 29%

• Reduction over time to facilitate peer-to-peer barter relationships

  Saito, K., Morino, E. & Murai, J., 2006 1月, In: IEICE Transactions on Information and Systems. E89-D, 1, p. 181-188 8 p.

  研究成果: Article › 査読

  • Internet 100%
  5 被引用数 (Scopus)

• Reflection noise reduction effect of graded-index plastic optical fiber in multimode fiber link

  Inoue, A., Furukawa, R., Matsuura, M. & Koike, Y., 2014 6月 15, In: Optics Letters. 39, 12, p. 3662-3665 4 p.

  研究成果: Article › 査読

  • plastic fibers 100%
  • surface emitting lasers 81%
  • noise reduction 79%
  • optical fibers 58%
  • coupled modes 49%
  25 被引用数 (Scopus)

• Reflowable optical connector with glass-ceramic ferrule for advanced pluggable transceiver packaging

  Shikama, K. & Koike, Y., 2020 1月, In: Optical Fiber Technology. 54, 102074.

  研究成果: Article › 査読

  Open Access

  • Glass ceramics 100%
  • connectors 91%
  • transmitter receivers 88%
  • Glass Ceramic 84%
  • packaging 80%

• Research of method for DNS performance measurement and evaluation based on benchmark DNS servers

  Sekiya, Y., Cho, K., Kato, A. & Murai, J., 2006 10月, In: Electronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi). 89, 10, p. 66-75 10 p.

  研究成果: Article › 査読

  • Servers 100%
  • Internet 37%
  5 被引用数 (Scopus)

• Routing optimization for nested mobile networks

  Watari, M., Ernst, T., Wakikawa, R. & Murai, J., 2006 10月, In: IEICE Transactions on Communications. E89-B, 10, p. 2786-2793 8 p.

  研究成果: Article › 査読

  • Wireless networks 100%
  • Network protocols 86%
  • Transparency 33%
  • Routers 30%
  • Tunnels 26%
  21 被引用数 (Scopus)

• Scattering polarizer with anisotropic crystals in a polyolefin polymer

  Okumura, T., Ishikawa, T., Koike, Y. & Tagaya, A., 2003 1月 27, In: Applied Physics Letters. 82, 4, p. 496-498 3 p.

  研究成果: Article › 査読

  • aragonite 100%
  • polarizers 68%
  • calcium carbonates 45%
  • polymers 38%
  • scattering 33%
  9 被引用数 (Scopus)

• Second-harmonic generation by Cerenkov-type phase matching in a poled polymer waveguide

  Sugihara, O., Kunioka, S., Nonaka, Y., Aizawa, R., Koike, Y., Kinoshita, T. & Sasaki, K., 1991, In: Journal of Applied Physics. 70, 12, p. 7249-7252 4 p.

  研究成果: Article › 査読

  • phase matching 100%
  • harmonic generations 83%
  • waveguides 63%
  • polymers 55%
  • coronas 23%
  29 被引用数 (Scopus)

• Significantly robust data transmission by ballpoint-pen interconnect for graded-index plastic optical fiber

  Kaseda, Y., Inoue, A. & Koike, Y., 2018 9月 15, In: Journal of Lightwave Technology. 36, 18, p. 4167-4173 7 p., 8408753.

  研究成果: Article › 査読

  • pens 100%
  • plastic fibers 92%
  • data transmission 79%
  • optical fibers 54%
  • connectors 43%

• Social class and migration in two northeastern Japanese villages, 1716-1870

  Tsuya, N. O. & Kurosu, S., 2013 10月, In: History of the Family. 18, 4, p. 434-455 22 p.

  研究成果: Article › 査読

  • Peasants 100%
  • peasant 89%
  • social class 77%
  • village 69%
  • Village 65%
  4 被引用数 (Scopus)

• Spectroscopic properties of lanthanide chelates in perfluorinated plastics for optical applications

  Kuriki, K., Nishihara, S., Nishizawa, Y., Tagaya, A., Koike, Y. & Okamoto, Y., 2002 8月, In: Journal of the Optical Society of America B: Optical Physics. 19, 8, p. 1844-1848 5 p.

  研究成果: Article › 査読

  • Erbium 100%
  • chelates 90%
  • neodymium 72%
  • Plastics 65%
  • erbium 60%
  14 被引用数 (Scopus)

• Spherical gradient-index polymer lens with low spherical aberration

  Koike, Y., Kanemitsu, A., Shioda, Y., Nihei, E. & Ohtsuka, Y., 1994 6月, In: Applied Optics. 33, 16, p. 3394-3400 7 p.

  研究成果: Article › 査読

  • Aberrations 100%
  • Lenses 77%
  • aberration 67%
  • lenses 55%
  • Polymers 55%
  23 被引用数 (Scopus)

• Spherical gradient-index sphere lens

  Koike, Y., Sumi, Y. & Ohtsuka, Y., 1986 10月, In: Applied Optics. 25, 19, p. 3356-3363 8 p.

  研究成果: Article › 査読

  • Lenses 100%
  • lenses 72%
  • gradients 64%
  • Aberrations 32%
  • Polymerization 27%
  47 被引用数 (Scopus)

• Stereochemistry of the radical polymerization of vinyl pentafluorobenzoate

  Liu, W., Koike, Y. & Okamoto, Y., 2004 7月 21, In: Polymer. 45, 16, p. 5491-5495 5 p.

  研究成果: Article › 査読

  • Stereochemistry 100%
  • Free radical polymerization 85%
  • Vinyl Benzoate 61%
  • Radical Polimerization 48%
  • Polymerization 39%
  17 被引用数 (Scopus)

• Studies on the light-focusing plastic rod. 10: A light-focusing plastic fiber of methyl methacrylate-vinyl benzoate copolymer

  Ohtsuka, Y., Koike, Y. & Yamazaki, H., 1981 8月, In: Applied Optics. 20, 15, p. 2726-2780 55 p.

  研究成果: Article › 査読

  • vinyl copolymers 100%
  • plastic fibers 64%
  • preforms 59%
  • Copolymers 59%
  • rods 40%
  10 被引用数 (Scopus)

• Studies on the light-focusing plastic rod. 12: The GRIN fiber lens of methyl methacrylate-vinyl phenylacetate copolymer

  Koike, Y., Kimoto, Y. & Ohtsuka, Y., 1982 3月 15, In: Applied Optics. 21, 6, p. 1057-1062 6 p.

  研究成果: Article › 査読

  • vinyl copolymers 100%
  • gradient index optics 71%
  • Copolymers 59%
  • Lenses 51%
  • rods 40%
  50 被引用数 (Scopus)

• Studies on the light-focusing plastic rod. 15: GRIN rod prepared by photocopolymerization of a ternary monomer system

  Koike, Y. & Ohtsuka, Y., 1983 2月, In: Applied Optics. 22, 3, p. 418-423 6 p.

  研究成果: Article › 査読

  • gradient index optics 100%
  • Monomers 83%
  • monomers 64%
  • rods 57%
  • plastics 54%
  15 被引用数 (Scopus)

• Studies on the light-focusing plastic rod. 16: Mechanism of gradient-index formation in photocopolymerization of multiple monomer systems

  Ohtsuka, Y. & Koike, Y., 1984 6月, In: Applied Optics. 23, 11, p. 1774-1778 5 p.

  研究成果: Article › 査読

  • Monomers 100%
  • gradient index optics 90%
  • monomers 78%
  • rods 69%
  • plastics 65%
  15 被引用数 (Scopus)

• Studies on the light-focusing plastic rod. 17: Plastic GRIN rod lens prepared by photocopolymerization of a ternary monomer system

  Koike, Y., Hatanaka, H. & Ohtsuka, Y., 1984 6月, In: Applied Optics. 23, 11, p. 1779-1783 5 p.

  研究成果: Article › 査読

  • gradient index optics 100%
  • Monomers 83%
  • Lenses 71%
  • monomers 64%
  • rods 57%
  28 被引用数 (Scopus)

• Studies on the light-focusing plastic rod. 18: Control of refractive-index distribution of plastic radial gradient-index rod by photocopolymerization

  Ohtsuka, Y. & Koike, Y., 1985 12月 15, In: Applied Optics. 24, 24, p. 4316-4320 5 p.

  研究成果: Article › 査読

  • Refractive index 100%
  • Monomers 90%
  • Lenses 77%
  • rods 62%
  • plastics 59%
  28 被引用数 (Scopus)

• Studies on the light-focusing plastic rod. 6: The photocopolymer rod of methyl methacrylate with vinyl benzoate

  Ohtsuka, Y., Koike, Y. & Yamazaki, H., 1981 1月, In: Applied Optics. 20, 2, p. 280-285 6 p.

  研究成果: Article › 査読

  • Benzoyl peroxide 100%
  • peroxides 73%
  • Ultraviolet lamps 47%
  • rods 46%
  • plastics 44%
  20 被引用数 (Scopus)

• Studies on the light-focusing plastic rod 7: Estimation of the refractive-index profile of the doubly imaging fiber-lens

  Ohtsuka, Y. & Koike, Y., 1981, In: Sen'i Gakkaishi. 37, 11, p. 45-52 8 p.

  研究成果: Article › 査読

  • Vinyl Benzoate 100%
  • Refractive index 75%
  • Lenses 58%
  • Refractive Index 55%
  • Methyl Methacrylate 54%

• Study on disaster medical response during the great east Japan earthquake disaster based on essential elements of information – nine days at iwate prefecture from hyperacute phase to subacute phase–

  Akitomi, S., Kokogawa, T., Kosaka, N., Maeda, Y., Hayashi, H., Murai, J. & Meguro, K., 2019 11月, In: Journal of Disaster Research. 14, 8, p. 1115-1126 12 p.

  研究成果: Article › 査読

  • Disasters 100%
  • Earthquakes 92%
  • Time series 30%
  1 被引用数 (Scopus)