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 2023

• 233 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

• 2015

  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%
  15 被引用数 (Scopus)

• Temperature dependence of Brillouin frequency shift in polymers controlled by plasticization effect

  Minakawa, K., Koike, K., Du, Q., Hayashi, N., Koike, Y., Mizuno, Y. & Nakamura, K., 2015 4月 14, In: Journal of Applied Physics. 117, 14, 144505.

  研究成果: Article › 査読

  • frequency shift 100%
  • temperature dependence 66%
  • polymers 60%
  • temperature 30%
  • critical temperature 22%
  4 被引用数 (Scopus)
• 2016

  Characterization of the optical gain in doped polymer optical fibres

  Parola, I., Illarramendi, M. A., Arrue, J., Ayesta, I., Jiménez, F., Zubia, J., Tagaya, A. & Koike, Y., 2016 9月 1, In: Journal of Luminescence. 177, p. 1-8 8 p.

  研究成果: Article › 査読

  • rhodamine 6G 100%
  • Optical Gain 97%
  • Optical Fibers 85%
  • Polymers 53%
  • Doping Material 52%
  14 被引用数 (Scopus)

• Dependence of Brillouin frequency shift on water absorption ratio in polymer optical fibers

  Minakawa, K., Koike, K., Hayashi, N., Koike, Y., Mizuno, Y. & Nakamura, K., 2016 6月 14, In: Journal of Applied Physics. 119, 22, 223102.

  研究成果: Article › 査読

  • frequency shift 100%
  • optical fibers 78%
  • humidity 61%
  • polymers 60%
  • water 58%
  2 被引用数 (Scopus)

• Gas separation membranes prepared with copolymers of perfluoro(2-methylene-4,5-dimethyl-1,3-dioxlane) and chlorotrifluoroethylene

  Fang, M., Okamoto, Y., Koike, Y., He, Z. & Merkel, T. C., 2016 8月 1, In: Journal of Fluorine Chemistry. 188, p. 18-22 5 p.

  研究成果: Article › 査読

  • chlorotrifluoroethylene 100%
  • methylene 59%
  • copolymers 46%
  • Gases 40%
  • membranes 34%
  21 被引用数 (Scopus)

• High-Speed Graded-Index Plastic Optical Fibers and Their Simple Interconnects for 4K/8K Video Transmission

  Koike, Y. & Inoue, A., 2016 3月 15, In: Journal of Lightwave Technology. 34, 6, p. 1551-1555 5 p., 7378834.

  研究成果: Article › 査読

  • plastic fibers 100%
  • optical fibers 58%
  • high speed 58%
  • silicon dioxide 29%
  • cables 25%
  47 被引用数 (Scopus)

• LED flat panel capable of seamless connection for use in lighting

  Mochizuki, K., Sakurai, K., Shinohara, Y., Tagaya, A. & Koike, Y., 2016, In: Journal of Light and Visual Environment. 40, p. 28-35 8 p.

  研究成果: Article › 査読

  • Light emitting diodes 100%
  • Lighting 80%
  • Glare 39%
  • Optical devices 18%
  • Ceilings 16%

• Misalignment tolerance of pluggable ballpoint-pen interconnect of graded-index plastic optical fiber for 4K/8K UHD display

  Inoue, A. & Koike, Y., 2016 11月, In: IEICE Transactions on Electronics. E99C, 11, p. 1271-1276 6 p.

  研究成果: Article › 査読

  • Plastic optical fibers 100%
  • Launching 76%
  • Display devices 51%
  • Surface emitting lasers 31%
  • Surface 14%
  3 被引用数 (Scopus)

• Temperature-independent zero-birefringence polymer for liquid crystal displays

  Shikanai, M. D., Tagaya, A. & Koike, Y., 2016 3月 28, In: Applied Physics Letters. 108, 13, 131902.

  研究成果: Article › 査読

  • birefringence 100%
  • liquid crystals 86%
  • polymers 64%
  • temperature 32%
  • phenyls 30%
  4 被引用数 (Scopus)
• 2017

  Effect of trifluoromethyl substituents on birefringence of polystyrene

  Tagaya, A., Koike, K., Koike, Y. & Okamoto, Y., 2017 8月, In: Polymers for Advanced Technologies. 28, 8, p. 994-999 6 p.

  研究成果: Article › 査読

  • Birefringence 100%
  • Polystyrenes 78%
  • Styrene 77%
  • Polymers 37%
  • Elastic Deformation 25%
  8 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)
• 2018

  Low-noise graded-index plastic optical fiber for significantly stable and robust data transmission

  Inoue, A. & Koike, Y., 2018 12月 15, In: Journal of Lightwave Technology. 36, 24, p. 5887-5892 6 p., 8502060.

  研究成果: Article › 査読

  • plastic fibers 100%
  • data transmission 85%
  • low noise 75%
  • optical fibers 58%
  • traffic 26%
  14 被引用数 (Scopus)

• 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)

• 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%
• 2019

  Analysis of nano-creep deformation of epoxy adhesive in optical fiber connector for long-term reliability prediction

  Shikama, K., Aratake, A. & Koike, Y., 2019 11月, In: Optical Fiber Technology. 52, 101975.

  研究成果: Article › 査読

  • connectors 100%
  • Optical fibers 87%
  • adhesives 81%
  • Adhesives 75%
  • Creep 71%
  5 被引用数 (Scopus)

• Intrinsically Stabilized Plastic Optical Fiber Link Subject to External Optical Feedback

  Inoue, A. & Koike, Y., 2019 2月, In: IEEE Photonics Journal. 11, 1, 8606222.

  研究成果: Article › 査読

  • Optical feedback 100%
  • Plastic optical fibers 87%
  • plastic fibers 75%
  • optical fibers 44%
  • Multimode fibers 42%
  4 被引用数 (Scopus)

• 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)

• 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%
  2 被引用数 (Scopus)

• Unconventional plastic optical fiber design for very short multimode fiber link

  Inoue, A. & Koike, Y., 2019 4月 29, In: Optics Express. 27, 9, p. 12061-12069 9 p.

  研究成果: Article › 査読

  • plastic fibers 100%
  • optical fibers 58%
  • fibers 43%
  • bandwidth 32%
  • coupled modes 29%
  6 被引用数 (Scopus)
• 2020

  Low-noise radio over graded-index plastic optical fiber

  Inoue, A. & Koike, Y., 2020 6月 15, In: Optics Letters. 45, 12, p. 3192-3195 4 p.

  研究成果: Article › 査読

  • plastic fibers 100%
  • low noise 75%
  • optical fibers 58%
  • radio frequencies 44%
  • electromagnetic noise 33%
  2 被引用数 (Scopus)

• Noise and Distortion Reduction in OFDM Radio-Over-Fiber Link by Graded-Index Plastic Optical Fiber

  Muramoto, K., Inoue, A. & Koike, Y., 2020 7月 1, In: IEEE Photonics Technology Letters. 32, 13, p. 835-838 4 p., 9104659.

  研究成果: Article › 査読

  • Plastic optical fibers 100%
  • Radio-over-fiber 90%
  • plastic fibers 86%
  • frequency division multiplexing 84%
  • Noise abatement 69%
  4 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%
• 2021

  Error-free PAM-4 transmission by a high-speed plastic optical fiber without forward error correction

  Koike, Y. & Muramoto, K., 2021 8月 1, In: Optics Letters. 46, 15, p. 3709-3712 4 p.

  研究成果: Article › 査読

  • pulse amplitude modulation 100%
  • plastic fibers 96%
  • optical fibers 56%
  • high speed 56%
  • optical interconnects 22%

• Generating network intrusion detection dataset based on real and encrypted synthetic attack traffic

  Ferriyan, A., Thamrin, A. H., Takeda, K. & Murai, J., 2021 9月 1, In: Applied Sciences (Switzerland). 11, 17, 7868.

  研究成果: Article › 査読

  Open Access

  • attack 100%
  • traffic 96%
  • Intrusion detection 94%
  • requirements 62%
  10 被引用数 (Scopus)

• Low-Noise Graded-Index Plastic Optical Fiber Achieved by Specific Copolymerization Process

  Akashi, T., Inoue, A. & Koike, Y., 2021 6月 1, In: Journal of Lightwave Technology. 39, 11, p. 3553-3559 7 p., 9382849.

  研究成果: Article › 査読

  • copolymerization 100%
  • plastic fibers 95%
  • low noise 71%
  • optical fibers 56%
  • coupled modes 47%
  1 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%

• 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)
• 2022

  Encrypted Malicious Traffic Detection Based on Word2Vec

  Ferriyan, A., Thamrin, A. H., Takeda, K. & Murai, J., 2022 3月 1, In: Electronics (Switzerland). 11, 5, 679.

  研究成果: Article › 査読

  Open Access

  • Transport Layer 100%
  • Long short-term memory 93%
  • Intrusion detection 82%
  • Internet 54%
  4 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%
• 2023

  Educational Attainment, First Employment, and First Marriage in Japan

  Tsuya, N. O., 2023, (Accepted/In press) In: Journal of Family Issues.

  研究成果: Article › 査読

  • marriage 100%
  • Japan 95%
  • Regular employment 83%
  • temporary employment 38%
  • temporary worker 37%

• Investigating the effect of computer-mediated feedback via an LMS integration in a large-scale Japanese speaking class

  Kataoka, Y., Thamrin, A. H., Van Meter, R., Murai, J. & Kataoka, K., 2023 2月, In: Education and Information Technologies. 28, 2, p. 1957-1986 30 p.

  研究成果: Article › 査読

  Open Access

  • speaking 100%
  • foreign language 33%
  • classroom 27%
  • assistant 24%
  • student 22%