28 件中 1 - 20 件目
Terahertz complex conductivity of stretchable semitransparent composite films made from polymeric materials PDMS and PEDOT:PSS, Optical Materials Express, 12巻, 2号, 751頁 ~ 757頁, 2022年01月27日, T. Unuma, S. Kotaka
Reversibly controlled infrared transparency of conjugated polymer films incorporated into a compact electrochemical cell structure, Applied Optics, 61巻, 3号, 759頁 ~ 764頁, 2022年01月14日, T. Unuma, Y. Ishizaka
Room-temperature Bloch oscillations and interminiband Zener tunneling in a GaAs-based narrow-minigap superlattice, Applied Physics Express, 14巻, 8号, 081003-1頁 ~ 081003-4頁, 2021年07月14日, T. Unuma, Y. Itagaki, S. Asakura
Interaction between two Bloch oscillating electron groups in a biased semiconductor superlattice created by a pair of temporally shifted optical pulses, Applied Physics Express, 14巻, 6号, 061003-1頁 ~ 061003-4頁, 2021年05月20日, T. Unuma, T. Hoshino, K. Nagahashi, K. Ueda
Dephasing of terahertz Bloch oscillations in a GaAs–based narrow–minigap superlattice excited by tunable pump photon energy, Applied Physics Express, 14巻, 5号, 051009-1頁 ~ 051009-4頁, 2021年05月05日, T. Unuma, R. Abe
Terahertz complex conductivity of cellulose nanocrystal based composite films controlled with PEDOT:PSS blending ratio, Cellulose, 27巻, 17号, 10019頁 ~ 10027頁, 2020年09月23日, T. Unuma, O. Kobayashi, S. Kotaka, R. Koppolu, M. Toivakka, J. J. Saarinen
Dielectric properties of crystalline BiOCl in the terahertz region, OSA Continuum, 3巻, 9号, 2646頁 ~ 2652頁, 2020年09月11日, T. Unuma, T. Sasaki, K. Yamaki, A. Irie, H. Ishida, T. Kato
Subwavelength liquid crystal gratings for polarization-independent phase shifts in the terahertz spectral range, Optical Materials Express, 10巻, 2号, 240頁 ~ 248頁, 2020年01月02日, T. Sasaki, T. Asano, M. Sakamoto, K. Noda, T. Unuma, K. Goto, K. Tsutsui, N. Kawatsuki, H. Ono
Phase shift of terahertz Bloch oscillations induced by interminiband mixing in a biased semiconductor superlattice, Applied Physics Express, 12巻, 4号, 041003-1頁 ~ 041003-4頁, 2019年03月13日, T. Unuma, S. Maeda
Generalized framework for determining time origin in terahertz emission spectroscopy on the basis of causality, Optics Express, 27巻, 4号, 5136頁 ~ 5143頁, 2019年02月11日, T. Unuma, K. Minami
Terahertz complex conductivity of nanofibrillar cellulose-PEDOT:PSS composite films, Cellulose, 26巻, 5号, 3247頁 ~ 3253頁, 2019年01月25日, T. Unuma, O. Kobayashi, I. F. A. Hamdany, V. Kumar, J. J. Saarinen
Temperature-dependent spectral linewidths of terahertz Bloch oscillations in biased semiconductor superlattices, Applied Physics Letters, 112巻, 16号, 162107-1頁 ~ 162107-4頁, 2018年04月18日, T. Unuma, A. Matsuda
Terahertz emission from biased conjugated polymers excited by femtosecond laser pulses, Applied Physics Express, 9巻, 12号, 121601-1頁 ~ 121601-4頁, 2016年11月10日, T. Unuma, N. Yamada, H. Kishida
Capacitive response and room-temperature terahertz gain of a Wannier-Stark ladder system in GaAs-based superlattices, Applied Physics Express, 9巻, 11号, 112101-1頁 ~ 112101-4頁, 2016年10月12日, A. Naka, K. Hirakawa, T. Unuma
Segmentation of conducting domains in PEDOT:PSS films induced by an additive for conductivity enhancement, Applied Physics Express, 9巻, 5号, 051601-1頁 ~ 051601-4頁, 2016年04月07日, T. Unuma, M. Yoshikawa, A. Nakamura, H. Kishida
Anisotropic terahertz complex conductivities in oriented polythiophene films, Applied Physics Letters, 103巻, 21号, 213305-1頁 ~ 213305-4頁, 2013年11月23日, T. Unuma, A. Umemoto, H. Kishida
Direct observation of carrier delocalization in highly conducting polyaniline, Applied Physics Letters, 103巻, 5号, 053303-1頁 ~ 053303-4頁, 2013年08月01日, T. Unuma, N. Yamada, A. Nakamura, H. Kishida, S.-C. Lee, E.-Y. Hong, S.-H. Lee, O.-P. Kwon
Dispersion relations for evaluating the complex refractive index of medium without the information of its thickness, Applied Physics Letters, 102巻, 18号, 181110-1頁 ~ 181110-5頁, 2013年05月09日, T. Unuma, N. Yamada, A. Nakamura, H. Kishida, S.-C. Lee, E.-Y. Hong, S.-H. Lee, O.-P. Kwon
Causality-based method for determining the time origin in terahertz emission spectroscopy, Optics Express, 19巻, 13号, 12759頁 ~ 12765頁, 2011年06月16日, T. Unuma, Y. Ino, K.-E. Peiponen, E. M. Vartiainen, M. Kuwata-Gonokami, K. Hirakawa
Intersubband transition energy and linewidth modified by a submonolayer AlAs insertion into GaAs quantum wells, Journal of Applied Physics, 109巻, 4号, 043506-1頁 ~ 043506-4頁, 2011年02月23日, T. Unuma, S. Takata, Y. Sakasegawa, K. Hirakawa, A. Nakamura,
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