大学共通

研究成果

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

• 228 Article
• 71 Conference contribution
• 23 Paper
• 22 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

• 2012

  4 × 10 Gb/s high-speed link over thin GI 50/125 plastic optical fibers and compact optical sub-assembly

  Schlepple, N., Nishigaki, M., Uemura, H., Obara, K., Furuyama, H., Sugizaki, Y., Shibata, H. & Koike, Y., 2012, In: IEEE Photonics Technology Letters. 24, 19, p. 1670-1672 3 p., 6244852.

  研究成果: Article › 査読

  • Plastic optical fibers 100%
  • 50 Percent Growth Inhibition 90%
  • plastic fibers 86%
  • assembly 57%
  • optical fibers 50%
  4 被引用数 (Scopus)

• Alternating copolymers of hexafluoroisobutylene with vinyl trifluoroacetate and vinyl pentafluorobenzoate

  Mikes, F., Teng, H., Koike, Y. & Okamoto, Y., 2012 11月 15, In: Journal of Polymer Science, Part A: Polymer Chemistry. 50, 22, p. 4717-4720 4 p.

  研究成果: Article › 査読

  • Alternating Copolymer 100%
  • Trifluoroacetate 95%
  • Copolymers 95%
  • Copolymer 53%
  • Monomers 38%
  2 被引用数 (Scopus)

• Design and deployment of post-disaster recovery internet in 2011 Tohoku Earthquake

  Kataoka, K., Uehara, K., Oe, M. & Murai, J., 2012 7月, In: IEICE Transactions on Communications. E95-B, 7, p. 2200-2209 10 p.

  研究成果: Article › 査読

  • Disasters 100%
  • Earthquakes 92%
  • Internet 72%
  • Recovery 72%
  • Satellite links 46%
  1 被引用数 (Scopus)

• Design and synthesis of zero-zero-birefringence polymers in a quaternary copolymerization system

  Iwasaki, S., Satoh, Z., Shafiee, H., Tagaya, A. & Koike, Y., 2012 7月 6, In: Polymer. 53, 15, p. 3287-3296 10 p.

  研究成果: Article › 査読

  • Birefringence 100%
  • Copolymerization 99%
  • Methacrylate 57%
  • Polymers 49%
  • Copolymers 46%
  27 被引用数 (Scopus)

• DP-FEC: Dynamic probing FEC for high-performance real-time interactive video streaming

  Matsuzono, K., Asaeda, H. & Murai, J., 2012, In: Journal of information processing. 20, 1, p. 185-195 11 p.

  研究成果: Article › 査読

  Open Access

  • Forward error correction 100%
  • Video streaming 88%
  • Packet loss 80%
  • Data communication systems 71%
  • Redundancy 34%
  1 被引用数 (Scopus)

• Employment and household tasks of Japanese couples, 1994-2009

  Tsuya, N. O., Bumpass, L. L., Choe, M. K. & Rindfuss, R. R., 2012, In: Demographic Research. 27, p. 705-718 14 p.

  研究成果: Article › 査読

  • housework 100%
  • husband 57%
  • wife 53%
  • time 42%
  • family situation 26%
  34 被引用数 (Scopus)

• Fabrication of high glass transition temperature graded-index plastic optical fiber: Part 2-fiber fabrication and characterizations

  Nakao, R., Kondo, A. & Koike, Y., 2012, In: Journal of Lightwave Technology. 30, 7, p. 969-973 5 p., 6133320.

  研究成果: Article › 査読

  • plastic fibers 100%
  • copolymers 75%
  • glass transition temperature 72%
  • optical fibers 58%
  • yield point 55%
  15 被引用数 (Scopus)

• Fabrication of high glass transition temperature graded-index plastic optical fiber: Part 1- Material preparation and characterizations

  Nakao, R., Kondo, A. & Koike, Y., 2012, In: Journal of Lightwave Technology. 30, 2, p. 247-251 5 p., 6125204.

  研究成果: Article › 査読

  • plastic fibers 100%
  • copolymers 75%
  • glass transition temperature 72%
  • sulfides 61%
  • optical fibers 58%
  15 被引用数 (Scopus)

• Improvement of the physical properties of poly(methyl methacrylate) by copolymerization with N-pentafluorophenyl maleimide; Zero-orientational and photoelastic birefringence polymers with high glass transition temperatures

  Tagaya, A., Lou, L., Ide, Y., Koike, Y. & Okamoto, Y., 2012 5月, In: Science China Chemistry. 55, 5, p. 850-853 4 p.

  研究成果: Article › 査読

  • Birefringence 100%
  • Maleimide 96%
  • Glass Transition Temperature 70%
  • Copolymerization 68%
  • Copolymer 55%
  4 被引用数 (Scopus)

• Intrinsic transmission bandwidths of graded-index plastic optical fibers

  Inoue, A., Sassa, T., Makino, K., Kondo, A. & Koike, Y., 2012 7月 1, In: Optics Letters. 37, 13, p. 2583-2585 3 p.

  研究成果: Article › 査読

  • plastic fibers 100%
  • optical fibers 58%
  • bandwidth 53%
  • communication networks 33%
  • forward scattering 29%
  30 被引用数 (Scopus)

• Koike Laboratory, Faculty of Science and Technology, Keio University, Keio Photonics Research Institute

  Koike, Y., 2012 9月 1, In: Journal of Japan Institute of Electronics Packaging. 15, 7, p. 571 1 p.

  研究成果: Article › 査読

• Large-scale cooperative dissemination of governmental information in emergency - An experiment and future strategies

  Horiba, K., Okawa, K. & Murai, J., 2012 7月, In: IEICE Transactions on Communications. E95-B, 7, p. 2191-2199 9 p.

  研究成果: Article › 査読

  • Earthquakes 100%
  • Industry 75%
  • Information services 64%
  • Experiments 61%
  • Lead 53%

• Low loss graded index polymer optical fiber with high stability under damp heat conditions

  Makino, K., Kado, T., Inoue, A. & Koike, Y., 2012 6月 4, In: Optics Express. 20, 12, p. 12893-12898 6 p.

  研究成果: Article › 査読

  • optical fibers 100%
  • heat 87%
  • polymers 77%
  • copolymers 51%
  • phenanthrene 39%
  22 被引用数 (Scopus)

• Mechanism of generation of birefringence in poly(methyl methacrylate/styrene)

  Kojo, T., Tagaya, A. & Koike, Y., 2012 2月, In: Polymer Journal. 44, 2, p. 167-173 7 p.

  研究成果: Article › 査読

  • Birefringence 100%
  • Polymethyl methacrylates 90%
  • Styrene 77%
  • Chemical analysis 29%
  • Conformations 14%
  8 被引用数 (Scopus)

• 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)

• Theory and performance evaluation of group coding of RFID tags

  Sato, Y., Mitsugi, J., Nakamura, O. & Murai, J., 2012, In: IEEE Transactions on Automation Science and Engineering. 9, 3, p. 458-466 9 p., 6185705.

  研究成果: Article › 査読

  • Radio frequency identification (RFID) 100%
  • Decoding 25%
  • Automatic identification 18%
  • Identification (control systems) 13%
  • Experiments 10%
  23 被引用数 (Scopus)

• Zero-birefringence pressure-sensitive adhesives

  Ito, H., Yanai, S., Oda, S., Tagaya, A. & Koike, Y., 2012 6月, In: AIP Advances. 2, 2, 022142.

  研究成果: Article › 査読

  • adhesives 100%
  • birefringence 92%
  • acrylates 46%
  • polymers 22%
  • isocyanates 19%
• 2013

  4 × 10 Gbit/s full-duplex optical link with compact optical sub-assemblies and thin GI 50/125 plastic optical fibre ribbon

  Schlepple, N., Nishigaki, M., Uemura, H., Furuyama, H., Sugizaki, Y., Shibata, H. & Koike, Y., 2013 6月 20, In: Electronics Letters. 49, 13, p. 835-836 2 p.

  研究成果: Article › 査読

  • Plastic optical fibers 100%
  • Optical links 84%
  • Photodiodes 55%
  • Semiconductor lasers 55%
  • Optoelectronic devices 51%

• Amplified spontaneous emission in graded-index polymer optical fibers: Theory and experiment

  Illarramendi, M. A., Arrue, J., Ayesta, I., Jiménez, F., Zubia, J., Bikandi, I., Tagaya, A. & Koike, Y., 2013 10月 7, In: Optics Express. 21, 20, p. 24254-24266 13 p.

  研究成果: Article › 査読

  • spontaneous emission 100%
  • optical fibers 77%
  • polymers 59%
  • rhodamine 40%
  • thresholds 20%
  22 被引用数 (Scopus)

• Collaborating remote computer laboratory and distance learning approach for hands-on IT education

  Basu, P., Basuki, A., Thamrin, A. H., Okawa, K. & Murai, J., 2013, In: Journal of information processing. 21, 1, p. 67-74 8 p.

  研究成果: Article › 査読

  • Distance education 100%
  • Education 67%
  • Scalability 42%
  • Reusability 29%
  • Cost effectiveness 28%
  12 被引用数 (Scopus)

• Core stress distribution of phase shifting multimode polymer optical fiber

  Furukawa, R., Nagata, M., Mishima, K., Matsuura, M., Inoue, A., Tagaya, A. & Koike, Y., 2013 11月 18, In: Applied Physics Letters. 103, 21, 213301.

  研究成果: Article › 査読

  • stress distribution 100%
  • optical fibers 81%
  • polymers 62%
  • yield point 46%
  • polymethyl methacrylate 22%
  2 被引用数 (Scopus)

• Design of zero-zero-birefringence polymers in methacrylate copolymer systems containing trichloroethyl methacrylate

  Iwasaki, S., Satoh, Z., Shafiee, H., Tagaya, A. & Koike, Y., 2013 10月 5, In: Journal of Applied Polymer Science. 130, 1, p. 138-144 7 p.

  研究成果: Article › 査読

  • Birefringence 100%
  • Copolymers 80%
  • Methacrylate 57%
  • Polymers 49%
  • Copolymer 44%
  11 被引用数 (Scopus)

• Efficient group delay averaging in graded-index plastic optical fiber with microscopic heterogeneous core

  Inoue, A., Sassa, T., Furukawa, R., Makino, K., Kondo, A. & Koike, Y., 2013 7月 15, In: Optics Express. 21, 14, p. 17379-17385 7 p.

  研究成果: Article › 査読

  • plastic fibers 100%
  • coupled modes 74%
  • optical fibers 58%
  • fibers 43%
  • bandwidth 26%
  24 被引用数 (Scopus)

• Fluorination effects on attenuation spectra of plastic optical fiber core materials

  Takahashi, A., Inoue, A., Sassa, T. & Koike, Y., 2013, In: Optical Materials Express. 3, 5, p. 658-663 6 p.

  研究成果: Article › 査読

  • Fluorination 100%
  • Plastic optical fibers 88%
  • Styrene 45%
  • Vibrational Potential 32%
  • Benzene 24%
  3 被引用数 (Scopus)

• GENEVA: Streaming control algorithm using generalized multiplicative-increase/additive-decrease

  Matsuzono, K., Asaeda, H., Nakamura, O. & Murai, J., 2013, In: Journal of information processing. 21, 1, p. 109-121 13 p.

  研究成果: Article › 査読

  • Packet loss 100%
  • Throughput 52%
  • HIgh speed networks 30%
  • Wide area networks 29%
  • Redundancy 21%

• Investigation of the physical properties of poly(ortho- and para-trifluoromethoxy styrenes)

  Sengupta, A., Koike, Y. & Okamoto, Y., 2013 8月 12, In: Macromolecular Chemistry and Physics. 214, 15, p. 1734-1737 4 p.

  研究成果: Article › 査読

  • Bromobenzene 100%
  • Benzoyl Peroxide 89%
  • Polystyrenes 87%
  • styrenes 86%
  • Styrene 86%
  1 被引用数 (Scopus)

• Low loss and high bandwidth polystyrene-based graded index polymer optical fiber

  Makino, K., Akimoto, Y., Koike, K., Kondo, A., Inoue, A. & Koike, Y., 2013, In: Journal of Lightwave Technology. 31, 14, p. 2407-2412 6 p., 6525378.

  研究成果: Article › 査読

  • polystyrene 100%
  • optical fibers 84%
  • bandwidth 77%
  • polymers 65%
  • attenuation 49%
  17 被引用数 (Scopus)

• Multidimensional NMR characterization of perfluorinated monomer and its precursors

  Zhang, B., Li, L., Mikeš, F., Koike, Y., Okamoto, Y. & Rinaldi, P. L., 2013 3月, In: Journal of Fluorine Chemistry. 147, p. 40-48 9 p.

  研究成果: Article › 査読

  • Perfluorinated Compound 100%
  • Heteronuclear Single Quantum Coherence 95%
  • formal glycol 70%
  • Spectrum Analysis 64%
  • monomers 60%
  7 被引用数 (Scopus)

• 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)

• Synthesis and characterization of copolymers of perfluoro(2-methylene-4,5- dimethyl-1,3-dioxolane) and perfluoro(2-methylene-1,3-dioxolane)

  Koike, K., Mikeš, F., Zhang, H., Koike, Y. & Okamoto, Y., 2013, In: Journal of Fluorine Chemistry. 156, p. 198-202 5 p.

  研究成果: Article › 査読

  • formal glycol 100%
  • methylene 69%
  • copolymers 53%
  • Polymers 49%
  • polymer 42%
  8 被引用数 (Scopus)

• Thermal and optical properties of highly fluorinated copolymers of methacrylates

  Teng, H., Wan, Z., Koike, Y. & Okamoto, Y., 2013 5月, In: Polymers for Advanced Technologies. 24, 5, p. 520-523 4 p.

  研究成果: Article › 査読

  • Optical properties 100%
  • Copolymers 95%
  • Thermodynamic properties 74%
  • Methacrylate 67%
  • Optical Property 58%
  4 被引用数 (Scopus)

• Visualization of Asian AS topology evolution

  Kuga, Y., Cho, K., Nakamura, O. & Murai, J., 2013 5月, In: Computer Software. 30, 2, p. 147-158 12 p.

  研究成果: Article › 査読

  • Visualization 100%
  • Topology 87%
  • Internet 70%
  • Routers 24%
• 2014

  A practical, nondestructive method to determine the shear relaxation modulus behavior of polymeric interlayers for laminated glass

  Shitanoki, Y., Bennison, S. J. & Koike, Y., 2014 8月, In: Polymer Testing. 37, p. 59-67 9 p.

  研究成果: Article › 査読

  • Laminated Glass 100%
  • Shear Modulus 73%
  • Relaxation 52%
  • Shear 51%
  • Glass 44%
  14 被引用数 (Scopus)

• A rational strength prediction approach to the design of double-glass photovoltaic modules

  Shitanoki, Y., Bennison, S. J. & Koike, Y., 2014 7月, In: IEEE Journal of Photovoltaics. 4, 4, p. 1071-1078 8 p., 6839067.

  研究成果: Article › 査読

  • modules 100%
  • Glass 96%
  • Strength 77%
  • glass 70%
  • predictions 64%
  6 被引用数 (Scopus)

• Dependence of Brillouin frequency shift on temperature in poly(pentafluorostyrene)-based polymer optical fibers estimated by acoustic velocity measurement

  Minakawa, K., Koike, K., Hayashi, N., Koike, Y., Mizuno, Y. & Nakamura, K., 2014, In: IEICE Electronics Express. 11, 10, 20140285.

  研究成果: Article › 査読

  • Acoustic wave velocity measurement 100%
  • Plastic optical fibers 70%
  • Velocity of Sound 59%
  • acoustic velocity 49%
  • velocity measurement 47%
  4 被引用数 (Scopus)

• Design and synthesis of zero-zero-birefringence polymers using N-methylmaleimide

  Beppu, S., Iwasaki, S., Shafiee, H., Tagaya, A. & Koike, Y., 2014 6月 15, In: Journal of Applied Polymer Science. 131, 12, 40423.

  研究成果: Article › 査読

  • Birefringence 100%
  • Polymers 49%
  • Maleimide 22%
  • Optical devices 14%
  • Transparency 9%
  15 被引用数 (Scopus)

• Development of a household high-definition video transmission system based on ballpoint-pen technology: A low cost, easily deployed optical connection using a ballpoint-pen type interconnect

  Toma, T., Takizuka, H., Torikai, T., Suzuki, H., Ogi, T. & Koike, Y., 2014 5月 1, In: Synthesiology. 7, 2, p. 118-128 11 p.

  研究成果: Article › 査読

  • video 100%
  • costs 76%
  • Plastic optical fibers 66%
  • High definition television 56%
  • Costs 51%
  15 被引用数 (Scopus)

• Effect of cladding layer glass transition temperature on thermal resistance of graded-index plastic optical fibers

  Yoshida, H., Nakao, R., Masabe, Y., Koike, K. & Koike, Y., 2014 11月 13, In: Polymer Journal. 46, 11, p. 823-826 4 p.

  研究成果: Article › 査読

  • Plastic optical fibers 100%
  • Cladding 87%
  • Thermal Resistance 81%
  • Glass transition 76%
  • Superconducting transition temperature 72%
  4 被引用数 (Scopus)

• Evaluation of modal noise in graded-index silica and plastic optical fiber links for radio over multimode fiber systems

  Matsuura, M., Furukawa, R., Matsumoto, Y., Inoue, A. & Koike, Y., 2014, In: Optics Express. 22, 6, p. 6562-6568 7 p.

  研究成果: Article › 査読

  • plastic fibers 100%
  • silicon dioxide 59%
  • optical fibers 58%
  • evaluation 49%
  • fibers 43%
  23 被引用数 (Scopus)

• Influence of dielectric fluctuation on light-scattering properties of random copolymers in bulk

  Koike, K., Araki, T. & Koike, Y., 2014 5月 27, In: Polymer. 55, 11, p. 2697-2703 7 p.

  研究成果: Article › 査読

  • Light scattering 100%
  • Copolymers 83%
  • Random Copolymer 78%
  • Light Scattering 64%
  • Dielectric Material 61%
  4 被引用数 (Scopus)

• Light scattering of ideal random copolymers in bulk

  Koike, K., Du, Q., Nishino, S. & Koike, Y., 2014 2月 12, In: Polymer. 55, 3, p. 878-885 8 p.

  研究成果: Article › 査読

  • Light scattering 100%
  • Copolymers 83%
  • Random Copolymer 78%
  • Light Scattering 64%
  • Copolymer 46%
  5 被引用数 (Scopus)

• New insights into dopant design for graded-index plastic optical fibers for transmission at 850 nm

  Sengupta, A., Koike, K., Koike, Y. & Okamoto, Y., 2014 2月, In: Optical Materials. 36, 4, p. 782-786 5 p.

  研究成果: Article › 査読

  • Plastic optical fibers 100%
  • plastic fibers 86%
  • Doping (additives) 74%
  • Doping Material 58%
  • optical fibers 50%
  1 被引用数 (Scopus)

• New perfluoro-dioxolane-based membranes for gas separations

  Okamoto, Y., Zhang, H., Mikes, F., Koike, Y., He, Z. & Merkel, T. C., 2014 12月 1, In: Journal of Membrane Science. 471, p. 412-419 8 p.

  研究成果: Article › 査読

  • formal glycol 100%
  • Gases 46%
  • Membranes 46%
  • methylene 46%
  • membranes 40%
  43 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)

• 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%
  24 被引用数 (Scopus)
• 2015

  A highly transparent and thermally stable copolymer of 1-adamantyl methacrylate and styrene

  Koike, K., Araki, T. & Koike, Y., 2015 2月 1, In: Polymer International. 64, 2, p. 188-195 8 p.

  研究成果: Article › 査読

  • Copolymers 100%
  • Styrene 95%
  • Methacrylate 70%
  • Copolymer 55%
  • Optical properties 34%
  8 被引用数 (Scopus)

• Do low survey response rates bias results? Evidence from Japan

  Rindfuss, R. R., Choe, M. K., Tsuya, N. O., Bumpass, L. L. & Tamaki, E., 2015, In: Demographic Research. 32, 1, p. 797-828 32 p.

  研究成果: Article › 査読

  • Japan 100%
  • trend 66%
  • evidence 56%
  • regression 24%
  • lobby 22%
  106 被引用数 (Scopus)

• Effects of para-fluorine substituent of polystyrene on gradient-index fiber-optic properties

  Koike, K., Suzuki, A., Makino, K. & Koike, Y., 2015 1月 1, In: Optical Materials. 39, p. 143-147 5 p.

  研究成果: Article › 査読

  • Gradient index optics 100%
  • Plastic optical fibers 68%
  • Fluorine 63%
  • plastic fibers 53%
  • Polystyrenes 52%
  2 被引用数 (Scopus)

• Investigation of optical and thermal properties of N-(alkyl-substituted) maleimides for use in zero-zero-birefringence polymer

  Beppu, S., Hotta, H., Shafiee, H., Tagaya, A. & Koike, Y., 2015, In: Applied Optics. 54, 4, p. 779-788 10 p.

  研究成果: Article › 査読

  • Birefringence 100%
  • Optical properties 84%
  • Thermodynamic properties 63%
  • birefringence 61%
  • thermodynamic properties 55%
  9 被引用数 (Scopus)

• Laser-like performance of side-pumped dye-doped polymer optical fibers

  Arrue, J., Illarramendi, M. A., Ayesta, I., Jiménez, F., Zubia, J., Tagaya, A. & Koike, Y., 2015 4月 1, In: IEEE Photonics Journal. 7, 2, 7052362.

  研究成果: Article › 査読

  • Plastic optical fibers 100%
  • Fiber lasers 90%
  • rhodamine 79%
  • Dyes 76%
  • emission spectra 59%
  14 被引用数 (Scopus)