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    • 3. 发明授权
    • Spectral width narrowing method, optical element and light source device
    • 光谱宽度变窄方法,光学元件和光源装置
    • US09075284B2
    • 2015-07-07
    • US13643367
    • 2011-04-26
    • Norihiko NishizawaYasuyuki OzekiKazuyoshi Itoh
    • Norihiko NishizawaYasuyuki OzekiKazuyoshi Itoh
    • G02F1/35G02B6/00G02F1/39H01S3/067G02B6/02
    • G02F1/395G02B6/02247G02F1/3513H01S3/067
    • The present invention provides a method for narrowing a spectral width that can also be adapted to an ultrashort optical pulse emitted from a wavelength tunable light source, and that can provide an output optical pulse with a narrow spectral width and a low noise component, and an optical element and a light source device that use the method for narrowing a spectral width. The method includes using an optical waveguide member (2) to cause a soliton effect in an input optical pulse (1) within the optical waveguide member (2), thereby narrowing a spectral width of the input optical pulse (1) to provide an output optical pulse (3), the optical waveguide member (2) having dispersion characteristics such that the average of a second-order dispersion value (β2) with respect to the input optical pulse (1) is negative, and the absolute value of the second-order dispersion value (β2) increases in a propagation direction of the input optical pulse (1).
    • 本发明提供了一种缩小光谱宽度的方法,该方法也可以适用于从波长可调谐光源发射的超短光脉冲,并且可以提供具有窄光谱宽度和低噪声分量的输出光脉冲,以及 光学元件和使用这种缩小光谱宽度的方法的光源装置。 该方法包括使用光波导构件(2)在光波导构件(2)内的输入光脉冲(1)中产生孤子效应,从而使输入光脉冲(1)的光谱宽度变窄以提供输出 光脉冲(3),具有使二阶色散值(&bgr; 2)相对于输入光脉冲(1)的平均值为负的色散特性的光波导元件(2),绝对值 二阶色散值(&bgr; 2)在输入光脉冲(1)的传播方向上增加。
    • 4. 发明申请
    • SPECTRAL WIDTH NARROWING METHOD, OPTICAL ELEMENT AND LIGHT SOURCE DEVICE
    • 光谱宽度方法,光学元件和光源设备
    • US20130088770A1
    • 2013-04-11
    • US13643367
    • 2011-04-26
    • Norihiko NishizawaYasuyuki OzekiKazuyoshi Itoh
    • Norihiko NishizawaYasuyuki OzekiKazuyoshi Itoh
    • G02F1/39H01S3/067
    • G02F1/395G02B6/02247G02F1/3513H01S3/067
    • The present invention provides a method for narrowing a spectral width that can also be adapted to an ultrashort optical pulse emitted from a wavelength tunable light source, and that can provide an output optical pulse with a narrow spectral width and a low noise component, and an optical element and a light source device that use the method for narrowing a spectral width. The method includes using an optical waveguide member (2) to cause a soliton effect in an input optical pulse (1) within the optical waveguide member (2), thereby narrowing a spectral width of the input optical pulse (1) to provide an output optical pulse (3), the optical waveguide member (2) having dispersion characteristics such that the average of a second-order dispersion value (β2) with respect to the input optical pulse (1) is negative, and the absolute value of the second-order dispersion value (β2) increases in a propagation direction of the input optical pulse (1).
    • 本发明提供了一种缩小光谱宽度的方法,该方法也可以适用于从波长可调谐光源发射的超短光脉冲,并且可以提供具有窄光谱宽度和低噪声分量的输出光脉冲,以及 光学元件和使用这种缩小光谱宽度的方法的光源装置。 该方法包括使用光波导构件(2)在光波导构件(2)内的输入光脉冲(1)中产生孤子效应,从而使输入光脉冲(1)的光谱宽度变窄以提供输出 光脉冲(3),具有使二阶色散值(&bgr; 2)相对于输入光脉冲(1)的平均值为负的色散特性的光波导元件(2),绝对值 二阶色散值(&bgr; 2)在输入光脉冲(1)的传播方向上增加。
    • 8. 发明申请
    • Mass spectrometer for biological samples
    • 质谱仪用于生物样品
    • US20050279928A1
    • 2005-12-22
    • US11151466
    • 2005-06-14
    • Kunihiko OhkuboKiichi FukuiKazuyoshi Itoh
    • Kunihiko OhkuboKiichi FukuiKazuyoshi Itoh
    • H01J49/16H01J49/40B01D59/44
    • H01J49/162H01J49/0463
    • The mass spectrometer according to the present invention includes a light source for emitting pulse light including a plurality of wavelengths; an ionizer for ionizing molecules of a sample by irradiating the light from the light source to the sample; and a mass analyzer for separating ions ionized in the ionizer according to their mass to charge ratios. For the light source, one including a plurality of ultrashort pulse laser sources each emitting a wavelength different from others, and one emitting ultrashort pulse light including plural wavelengths ranging from the visible region to the infrared region generated by dispersing an ultrashort pulse light with continuous (white) spectrum can be used. Pulse lights having plural wavelengths ranging from near infrared to the ultraviolet region respectively share the role; i.e., one of them vaporizes the sample without fragmenting it, and another ionizes the vaporized sample with the single-photon process or two-photon (or multi-photon) process. This enables ionization of protein complexes as a whole contained in the sample, and enables mass analyses of them.
    • 根据本发明的质谱仪包括用于发射包括多个波长的脉冲光的光源; 电离器,用于通过将来自光源的光照射到样品上来使样品的分子离子化; 以及质量分析器,用于根据电离质量与电离比分离在离子发生器中离子化的离子。 对于光源,包括多个发射不同于其他波长的超短脉冲激光源的光源,以及一个发射包括从可见光区域到红外区域的多个波长的超短脉冲光,通过分散具有连续的超短脉冲光 白色)光谱。 分别具有从近红外到紫外线区域的多个波长的脉冲光共同作用; 即,其中一个使样品蒸发而不使其分裂,另一个使用单光子过程或双光子(或多光子)过程将蒸发的样品电离。 这使得能够将样品中包含的蛋白质复合物电离,并且能够进行质量分析。
    • 10. 发明申请
    • Heating apparatus and fixing apparatus
    • 加热装置和定影装置
    • US20070047983A1
    • 2007-03-01
    • US11391338
    • 2006-03-29
    • Kazuyoshi ItohYasuhiro Uehara
    • Kazuyoshi ItohYasuhiro Uehara
    • G03G15/20
    • G03G15/2039G03G15/80
    • A heating apparatus includes: an exciting coil provided in close vicinity of a heated body having a conductive layer; a capacitor connected serially or in parallel with the exciting coil; a switching element that generates a high frequency current by turning on/off a direct current and that supplies the high frequency current to the exciting coil and the capacitor; a specifying unit that specifies an electric value to be supplied to the exciting coil; an output unit that outputs, to the switching element, a driving signal to turn on the switching element for a period determined in correspondence with the specified electric value; a voltage detection unit that detects a flyback voltage value generated in a resonance circuit including the exciting coil and the capacitor; and an abnormality detection unit that detects an abnormality in the heated body based on the detected flyback voltage value.
    • 一种加热装置,包括:设置在具有导电层的被加热体附近的励磁线圈; 与励磁线圈串联或并联连接的电容器; 开关元件,其通过接通/断开直流电而产生高频电流,并将高频电流提供给励磁线圈和电容器; 指定单元,其指定要提供给所述励磁线圈的电值; 输出单元,向所述开关元件输出驱动信号,以将所述开关元件接通一定时间,所述周期与所述指定电值相对应; 电压检测单元,其检测在包括所述励磁线圈和所述电容器的谐振电路中产生的回扫电压值; 以及异常检测单元,其基于检测到的反激电压值来检测加热体的异常。