Search Results - "Matsukawa, Takeshi"

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    Diffraction-limited real-time terahertz imaging by optical frequency up-conversion in a DAST crystal by Fan, Shuzhen, Qi, Feng, Notake, Takashi, Nawata, Kouji, Takida, Yuma, Matsukawa, Takeshi, Minamide, Hiroaki

    Published in Optics express (23-03-2015)
    “…Real-time terahertz (THz) wave imaging has wide applications in areas such as security, industry, biology, medicine, pharmacy, and the arts. This report…”
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    Journal Article
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    Evaluation of hydrogen-bonding distance in organic nonlinear optical crystals for high-output terahertz-wave generation by Matsukawa, Takeshi, Hoshikawa, Akinori, Ishikawa, Yoshihisa, Ishigaki, Toru

    Published in Journal of molecular structure (15-04-2017)
    “…The crystal structure of deuterated 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST-d26) was obtained by powder X-ray and neutron diffraction…”
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    Journal Article
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    Z-MEM, Maximum Entropy Method software for electron/nuclear density distribution in Z-Code by Ishikawa, Yoshihisa, Zhang, Junrong, Kiyanagi, Ryoji, Yonemura, Masao, Matsukawa, Takeshi, Hoshikawa, Akinori, Ishigaki, Toru, Torii, Shuki, Oishi-Tomiyasu, Ryoko, Kamiyama, Takashi

    Published in Physica. B, Condensed matter (15-12-2018)
    “…Maximum Entropy Method (MEM) is one of powerful tools for material science. We developed the program Z-MEM for evaluation of electron and nuclear density…”
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    Journal Article
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    Real-time terahertz wave imaging by nonlinear optical frequency up-conversion in a 4-dimethylamino- N′ -methyl-4′-stilbazolium tosylate crystal by Fan, Shuzhen, Qi, Feng, Notake, Takashi, Nawata, Kouji, Matsukawa, Takeshi, Takida, Yuma, Minamide, Hiroaki

    Published in Applied physics letters (10-03-2014)
    “…Real-time terahertz (THz) wave imaging has wide applications in areas such as security, industry, biology, medicine, pharmacy, and arts. In this letter, we…”
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    Journal Article
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    Terahertz-wave generation from 4-dimethylamino-N′-methyl-4′-stilbazolium p-bromobenzenesulfonate crystal: Effect of halogen substitution in a counter benzenesulfonate of stilbazolium derivatives by Matsukawa, Takeshi, Notake, Takashi, Nawata, Kouji, Inada, Shunsuke, Okada, Shuji, Minamide, Hiroaki

    Published in Optical materials (01-10-2014)
    “…•We have developed a technique to grow DASB with a bromine substituent in the anion.•The high transmission was attributed to the weak interaction between…”
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    Journal Article Conference Proceeding
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    Pump-beam-induced optical damage depended on repetition frequency and pulse width in 4-dimethylamino- N  ′-methyl-4 ′ -stilbazolium tosylate crystal by Matsukawa, Takeshi, Nawata, Kouji, Notake, Takashi, Qi, Feng, Kawamata, Hiroshi, Minamide, Hiroaki

    Published in Applied physics letters (08-07-2013)
    “…We investigated the dependence of optical damage to an organic nonlinear optical crystal of 4-dimethylamino-N′-methyl-4′-stilbazolium tosylate (DAST) on the…”
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    Journal Article
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    Temperature Dependence of Crystal Structure and THz Absorption Spectra of Organic Nonlinear Optical Stilbazolium Material for High-Output THz-Wave Generation by Matsukawa, Takeshi, Hoshina, Hiromichi, Hoshikawa, Akinori, Otani, Chiko, Ishigaki, Toru

    “…A stilbazolium material comprising 4-dimethylamino- N ′-methyl-4′-stilbazolium tosylate (DAST), which has a large nonlinear optical susceptibility, was studied…”
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    Journal Article
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    Growth of thin rubrene single crystals from 1-propanol solvent by Matsukawa, Takeshi, Yoshimura, Masashi, Sasai, Kenichi, Uchiyama, Masahito, Yamagishi, Masakazu, Tominari, Yukihiro, Takahashi, Yoshinori, Takeya, Junichi, Kitaoka, Yasuo, Mori, Yusuke, Sasaki, Takatomo

    Published in Journal of crystal growth (2010)
    “…Rubrene (5,6,11,12-tetraphenyltetracene) single crystals were grown by using the solution-slow-cooling technique with 1-propanol (PrOH) solvent. Thin hexagonal…”
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    Journal Article
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    Electric-field-induced orientation control of organic semiconductor rubrene crystals by Matsukawa, Takeshi, Kobayashi, Shin-ichiro, Onodera, Tsunenobu, Oikawa, Hidetoshi, Itaya, Kingo

    Published in Materials chemistry and physics (15-01-2013)
    “…The electric field-induced orientation of rubrene single crystals was observed in a nonpolar solvent. Rubrene single microcrystals responded to an AC electric…”
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    Journal Article
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    Bulk Crystal Growth of Stilbazolium Derivatives for Terahertz Waves Generation by Matsukawa, Takeshi, Yoshimura, Masashi, Takahashi, Yoshinori, Takemoto, Yoshiaki, Takeya, Kei, Kawayama, Iwao, Okada, Shuji, Tonouchi, Masayoshi, Kitaoka, Yasuo, Mori, Yusuke, Sasaki, Takatomo

    Published in Japanese Journal of Applied Physics (01-07-2010)
    “…The two stilbazolium derivatives, 4-dimethylamino- N -methyl-4-stilbazolium tosylate (DAST) and 4-dimethylamino- N -methyl-4-stilbazolium p…”
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    Journal Article
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    Polymorphs of Rubrene Crystal Grown from Solution by Matsukawa, Takeshi, Yoshimura, Masashi, Uchiyama, Masahito, Yamagishi, Masakazu, Nakao, Akiko, Takahashi, Yoshinori, Takeya, Junichi, Kitaoka, Yasuo, Mori, Yusuke, Sasaki, Takatomo

    Published in Japanese Journal of Applied Physics (01-08-2010)
    “…Single crystals of rubrene were grown by slow cooling of solutions in various solvents. Hexagonal single crystals were obtained from p -xylene, whereas…”
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    Journal Article
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    Synthesis and terahertz-wave generation of mixed crystals composed of 1-methyl-4-{2-[4-(dimethylamino)phenyl]ethenyl}pyridinium p-toluenesulfonate and p-chlorobenzenesulfonate by Matsukawa, Takeshi, Mineno, Yoshihiro, Odani, Toru, Okada, Shuji, Taniuchi, Tetsuo, Nakanishi, Hachiro

    Published in Journal of crystal growth (01-02-2007)
    “…1-Methyl-4-{2-[4-(dimethylamino)phenyl]ethenyl}pyridinium p-toluenesulfonate and p-chlorobenezenesulfonate (DAST and DASC) have excellent second-order…”
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    Journal Article
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    Solution growth of high-quality organic N-benzyl-2-methyl-4-nitroaniline crystal for ultra-wideband tunable DFG-THz source by Notake, Takashi, Nawata, Kouji, Kawamata, Hiroshi, Matsukawa, Takeshi, Minamide, Hiroaki

    Published in Optical materials express (01-02-2012)
    “…We firstly obtained organic N-benzyl-2-methyl-4-nitroaniline (BNA) single crystals using solution growth method. The crystal quality obtained by solution…”
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    Journal Article
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    Terahertz Generation and Optical Properties of Lithium Ternary Chalcogenide Crystals by Takeya, Kei, Takemoto, Yoshiaki, Kawayama, Iwao, Murakami, Hironaru, Matsukawa, Takeshi, Yoshimura, Masashi, Mori, Yusuke, Tonouchi, Masayoshi

    “…We have investigated the generation of THz radiation in lithium ternary compounds LiInSe 2 , LiGaSe 2 , LiInS 2 , LiGaS 2 and characterized these materials by…”
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    Journal Article
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