Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Koki Ishihara"'
Autor:
Koki Ishihara, Takehito Suzuki
Publikováno v:
Journal of Infrared, Millimeter, and Terahertz Waves. 38:1130-1139
Communication and imaging in the terahertz waveband have advanced rapidly in offering industrial applications. However, optical elements such as collimated lenses in the terahertz waveband are bulky compared with the wavelength due to the lack of nat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7246f49902138024a6d47b51f29ad68c
https://doi.org/10.1007/s10762-017-0416-8
https://doi.org/10.1007/s10762-017-0416-8
Publikováno v:
IEEJ Transactions on Sensors and Micromachines. 135:466-473
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6adea818b2f4137d3beb3ee677d71c40
https://doi.org/10.1541/ieejsmas.135.466
https://doi.org/10.1541/ieejsmas.135.466
Publikováno v:
2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting.
Research on terahertz technology has progressed to offer game changing industrial applications. However, high-performance optical elements that manipulate electromagnetic waves in the terahertz waveband remain unrealized. Metamaterials can provide un
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a2158a30902398d0e24290f5abbafaa
https://doi.org/10.1109/apusncursinrsm.2017.8072687
https://doi.org/10.1109/apusncursinrsm.2017.8072687
Autor:
Tatsuya Kimura, Hideaki Kitahara, Koki Ishihara, Takahisa Togashi, Tatsuya Sato, Takehito Suzuki
Publikováno v:
Applied Physics A. 123
Metamaterials can give rise to unprecedented refractive indices and drive the rapid development of metadevices with on-demand electromagnetic properties. Recent advances in terahertz science demand high-performance optical elements beyond conventiona
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b6cb318d7b7cf01c25058d9f531628f
https://doi.org/10.1007/s00339-016-0714-3
https://doi.org/10.1007/s00339-016-0714-3
Publikováno v:
2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz).
Wireless communication in the terahertz waveband is progressing by synthesizing unique compounds including man-made metamaterials. However, it has still not been fully shown how metamaterials can be the basis for structures with a high refractive ind
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29c8e35ae24ec0273ae5d73eee68d1d2
https://doi.org/10.1109/irmmw-thz.2015.7327512
https://doi.org/10.1109/irmmw-thz.2015.7327512
Publikováno v:
IEEJ Transactions on Sensors and Micromachines. 135:478-479
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d8a11cc47c52f1c0cd8400c98cde3d9
https://doi.org/10.1541/ieejsmas.135.478
https://doi.org/10.1541/ieejsmas.135.478
Publikováno v:
The Review of Laser Engineering. 44:116
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8cadf45b5af6d61b424002b197b185df
https://doi.org/10.2184/lsj.44.2_116
https://doi.org/10.2184/lsj.44.2_116
Publikováno v:
SPIE Proceedings.
We observed optical properties from several kinds of Eu-chelates doped DNA-CTMA and PMMA films. The lifetime in DNA-CTMA was longer than in PMMA, and the quantum yield in DNA-CTMA was also higher than in PMMA. Among them, we calculated each cross sec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::778d435b7b7630cc790f7290da6abbb7
https://doi.org/10.1117/12.521417
https://doi.org/10.1117/12.521417
Autor:
A. Watanabe, Y. Kumakura, Kazuhito Fujii, Masashi Eguchi, Yoshiharu Kagami, Hiroshi Abe, Suguru Horinouchi, Takayuki Fukagawa, Gongjian Zhang, T. Ishikawa, Koki Ishihara, Naoya Ogata, A.S. Haja Hameed, Lili Wang
Publikováno v:
SPIE Proceedings.
A DNA-CTMA optical fiber was prepared by melt-spinning method for the first time. A hemicyanine dye, trans-4-(4-dibutylamino)-styryl)-1-methylpyridinium iodide (DBASMPI) doped DNA-CTMA fiber with core diameter of 1 mm and dye concentration of 3.6 wt%
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9651d8e48e09a1de1e9c13b97c95f167
https://doi.org/10.1117/12.475442
https://doi.org/10.1117/12.475442
Autor:
Suguru Horinouchi, H. Izumi, Naoya Ogata, Masahiro Wada, Koki Ishihara, T. Ishikawa, Lili Wang, Gongjian Zhang, A. Watanabe
Publikováno v:
Materials and Devices for Optical and Wireless Communications.
A rare-earth chelate, Europium 6,6.7,7,8,8,8-heptafluoro-2,2-dimethyl-3,5,-octanedionate, (Eu3+-FOD) doped DNACTMA complex as fiber and film materials was prepared by casting solution method and gel-spinning method. The Eu-FOD-DNA-CTMA complex was lu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85ddee985e4c90b8ef5654a0b8c533af
https://doi.org/10.1117/12.480996
https://doi.org/10.1117/12.480996