Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Ryouta Ito"'
Publikováno v:
Molecular Crystals and Liquid Crystals. 647:341-350
A polymer-dispersed liquid crystal (PDLC) structure is introduced to achieve an extremely thick liquid crystal (LC) layer for constructing an LC Fresnel lens operated in the millimeter wave (MMW) r...
Publikováno v:
Emerging Liquid Crystal Technologies XIII.
Recently, millimeter-waves (MMWs) have become indispensable for application in next-generation high-speed wireless communication i.e., 5G, in addition to conventional applications such as in automobile collision avoidance radars and airport security
Autor:
Michinori Honma, Noriaki Ozaki, Keiju Okano, Naoko Fujita, Jun Murata, Shosei Ishizaka, Hajime Muraguchi, Ryouta Ito, Toshiaki Nose
Publikováno v:
Emerging Liquid Crystal Technologies XII.
A liquid crystal (LC) cell behaves as an optically uniaxial crystal and lateral shear properties can be obtained under considerably low voltage, because an oblique optical axis distribution state appears in the middle voltage level between ON and OFF
Autor:
Ryouta Ito, Yutaka Hikichi, Kiyotaka Iwasaki, Mitsuo Umezu, Kouta Sugiyama, Xiaodong Zhu, Yusuke Tsuboko, Kaito Matsubara, Yuki Matsuhasi
Publikováno v:
The Proceedings of the Bioengineering Conference Annual Meeting of BED/JSME. :1E23
Autor:
Ryouta Ito, Takayuki Kumagai, Masayoshi Tonouchi, Kei Takeya, Hiroyuki Yoshida, Masanori Ozaki, Akihiko Fujii, Hitoshi Kubo, Toshiaki Nose
Publikováno v:
Molecular Crystals and Liquid Crystals. 561:82-88
We demonstrate a tunable terahertz (THz) filter using an etalon with a nematic liquid crystal (NLC) layer. The etalon is composed of water-free fused silica glass plates and air layers, and contains a 75 μm-thick defect layer filled with homeotropic
Publikováno v:
Molecular Crystals and Liquid Crystals. 516:144-151
In this study we investigate anisotropic transmission properties of the membrane films impregnated with nematic LC materials in the THz frequency region. Typical experimental result shows that transmittance of membrane film without LC material is alm
Autor:
Takao Komiyama, Yasunori Chonan, Yousuke Ishidsuka, Hiroyuki Yamaguchi, Takashi Aoyama, Ryouta Ito
Publikováno v:
physica status solidi c. 7:300-303
Photocurrent transients were measured at the two polar surfaces of ZnO single crystals with an experimental arrangement of the TOF technique. The slopes of initial decays of photocurrent became steeper with the applied voltages. The change in transit
Autor:
Naoko Fujita, Toru Takeuchi, Keiju Okano, Keisuke Kamata, Hajime Muraguchi, Toshiaki Nose, Noriaki Ozaki, Michinori Honma, Ryouta Ito
Publikováno v:
Applied optics. 53(31)
It is known that liquid crystal (LC) cells are useful as compact and easy-to-handle phase shifters that are readily coupled into the optics of standard microscope systems. Here, a uniformly aligned molecular LC phase shifter is introduced into a pola
Autor:
Yoji Isota, Takayuki Sasamori, Takumi Komuro, masashi nagasawa, Kenji Ito, Toshiaki Nose, Takeshi Watanabe, Ryouta Ito, Michinori Honma
Publikováno v:
2014 39th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz).
Autor:
Takuya Iisaka, Yoji Isota, Yusuke Ito, Toshiak Nose, Takeshi Watanabe, Takayuki Sasamori, Michinori Honma, Ryouta Ito, Kenji Ito
Publikováno v:
2013 38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).
Novel conversion circuit, which connects normal microstripline (MSL) and inverted-MSL (I-MSL) structure, is designed to attain planar type liquid crystal (LC) phase shifter based on the MSL structure. The new circuit enables us to introduce a thin LC