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    • 13. 发明申请
    • High-Resolution High-Speed Terahertz Spectrometer
    • 高分辨率高速太赫兹光谱仪
    • US20080165355A1
    • 2008-07-10
    • US11885335
    • 2005-08-30
    • Takeshi YasuiTsutomu ArakiEisuke Saneyoshi
    • Takeshi YasuiTsutomu ArakiEisuke Saneyoshi
    • G01J3/433
    • G01N21/3586
    • A high-resolution high-speed terahertz spectrometry for measuring a terahertz frequency spectrum at high speed with a laser mode-locking frequency which is the theoretical limitation frequency resolution of the terahertz time-domain spectroscopy. The mode-locking frequencies of two femtosecond laser light sources are controlled so that they are stabilized at high degree and the difference between the mode-locking frequencies is constant. The output of the laser light sources are used as a pumping light for generating terahertz pulses and a probe pulse light for terahertz detection. Since the time delay timings of the terahertz pulses and the probe pulse light the pulse periods of which are slightly different from each other shift from each other and the difference increases. Therefore, the temporally expanded terahertz pulses are measured by high-speed sampling without using any mechanical stage for time delay scanning. Part of the laser beams are extracted and time origin signals are generated by trigger signal generating means and used as trigger signals. Consequently the influence of the timing jitter can be eliminated. The terahertz electric field time waveform measured by high-speed sampling with the measurement time window of the pulse period is subjected to time-scale conversion and Fourier transform. Therefore, a terahertz frequency spectrum can be measured with high resolution of the theoretical limitation frequency resolution (=mode-locking frequency) and at high speed.
    • 高分辨率高速太赫兹光谱法,用于以激光锁模频率高速测量太赫兹频谱,这是太赫兹时域光谱的理论极限频率分辨率。 控制两个飞秒激光的模式锁定频率,使其稳定在高度,并且模式锁定频率之间的差异是恒定的。 激光源的输出用作产生太赫兹脉冲的泵浦光和用于太赫兹检测的探针脉冲光。 由于太赫兹脉冲和探针脉冲的时间延迟定时彼此稍微不同的脉冲周期彼此偏移并且差异增大。 因此,通过高速采样来测量时间上扩展的太赫兹脉冲,而不用任何用于时间延迟扫描的机械级。 部分激光束被提取,时间原点信号由触发信号发生装置产生并用作触发信号。 因此,可以消除定时抖动的影响。 用脉冲周期测量时间窗高速采样测得的太赫兹电场时间波形进行时标转换和傅里叶变换。 因此,可以以理论限制频率分辨率(=锁模频率)的高分辨率和高速度测量太赫兹频谱。
    • 14. 发明授权
    • Coloring composition
    • 着色成分
    • US5696200A
    • 1997-12-09
    • US436212
    • 1995-05-15
    • Mutsumi MaedaTakeshi Yasui
    • Mutsumi MaedaTakeshi Yasui
    • C08K5/00C08L9/00
    • C08K5/0041
    • Disclosed is a coloring composition comprising (1) a crosslinked block copolymer comprising molecular chains of a base block copolymer comprising at least one polymer block (A) comprised mainly of vinyl aromatic monomer units, and at least one polymer block (B) comprised mainly of conjugated diene monomer units, the molecular chains of the base block copolymer being crosslinked through a crosslinkage containing at least one linkage selected from the group consisting of an imide linkage, an amide linkage, an ester linkage and a urethane linkage; and (2) a colorant, and wherein the coloring composition has a gel content of 60% by weight or more. The coloring composition of the present invention has excellent properties, such as excellent melt adhesion properties with a thermoplastic resin, high thermal stability and high morphological stability. Therefore, by subjecting a thermoplastic resin composition containing the coloring composition of the present invention to molding, various colored shaped thermoplastic resin articles having not only a highly decorative, distinct spot pattern, such as a stone grain pattern, but also excellent mechanical strength, can be obtained. Examples of such shaped resin articles include exterior parts of household electrical appliances and office automation machines, and the main bodies of articles of furniture, lavatory equipment, bathtubs, and musical instruments.
    • PCT No.PCT / JP94 / 01653 Sec。 371日期1995年5月15日 102(e)日期1995年5月15日PCT 1994年10月3日PCT PCT。 公开号WO95 / 09891 日期1995年4月13日公开是着色组合物,其包含(1)包含基础嵌段共聚物的分子链的交联嵌段共聚物,所述基团嵌段共聚物包含至少一种主要由乙烯基芳族单体单元组成的聚合物嵌段(A)和至少一种聚合物嵌段 B)主要由共轭二烯单体单元组成,基础嵌段共聚物的分子链通过含有至少一个选自酰亚胺键,酰胺键,酯键和氨基甲酸酯键的键的交联而交联; 和(2)着色剂,其中着色组合物的凝胶含量为60重量%以上。 本发明的着色组合物具有优异的性能,例如与热塑性树脂的熔融粘合性优异,热稳定性高,形态稳定性高。 因此,通过使含有本发明的着色组合物的热塑性树脂组合物成型,不仅具有高度装饰性,明显的斑点图案,例如石纹图案,还具有优异的机械强度的各种着色成形的热塑性树脂制品 得到。 这种成型树脂制品的实例包括家用电器和办公自动化机器的外部部件,以及家具,厕所设备,浴缸和乐器的主体。
    • 18. 发明授权
    • High-resolution high-speed terahertz spectrometer
    • 高分辨率高速太赫兹光谱仪
    • US07605371B2
    • 2009-10-20
    • US11885335
    • 2005-08-30
    • Takeshi YasuiTsutomu ArakiEisuke Saneyoshi
    • Takeshi YasuiTsutomu ArakiEisuke Saneyoshi
    • G01J3/02
    • G01N21/3586
    • The mode-locking frequencies of two femtosecond laser light sources are controlled so that they are stabilized at high degree and the difference between the mode-locking frequencies is constant. The output of the laser light sources are used as a pumping light for generating terahertz pulses and a probe pulse light for terahertz detection. Since the time delay timings of the terahertz pulses and the probe pulse light the pulse periods of which are slightly different from each other shift from each other and the difference increases. Therefore, the temporally expanded terahertz pulses are measured by high-speed sampling without using any mechanical stage for time delay scanning. The terahertz electric field time waveform measured by high-speed sampling with the measurement time window of the pulse period is subjected to time-scale conversion and Fourier transform.
    • 控制两个飞秒激光的模式锁定频率,使其稳定在高度,并且模式锁定频率之间的差异是恒定的。 激光源的输出用作产生太赫兹脉冲的泵浦光和用于太赫兹检测的探针脉冲光。 由于太赫兹脉冲和探针脉冲的时间延迟定时彼此稍微不同的脉冲周期彼此偏移并且差异增大。 因此,通过高速采样来测量时间上扩展的太赫兹脉冲,而不用任何用于时间延迟扫描的机械级。 用脉冲周期测量时间窗高速采样测得的太赫兹电场时间波形进行时标转换和傅里叶变换。