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    • 5. 发明申请
    • MODE-LOCKED LASER LIGHT SOURCE DEVICE AND OPTICAL COHERENCE TOMOGRAPHY APPARATUS USING THE SAME
    • 使用模式锁定的激光光源装置和光学相干测量装置
    • US20150002851A1
    • 2015-01-01
    • US14352758
    • 2012-09-14
    • Akira Takada
    • Akira Takada
    • H01S5/065G01B9/02H01S5/50
    • H01S5/065G01B9/02091G11C11/161H01F10/3254H01F10/3286H01F41/303H01L27/228H01L43/08H01L43/10H01S5/50
    • This mode-locked laser light source device comprises a semiconductor optical amplifier wherein carriers are generated by the injection of an injection current thereinto, a pulse of laser light is amplified by the consumption of the carriers, and phase modulation equivalent to self-phase modulation depending on the pulse intensity of the laser light occurs due to a change in the density carriers; a sweep modulation unit which the oscillation wavelength of the pulse of the laser light emitted from the semiconductor optical amplifier is variable; a resonator which returns the pulse of the laser light modulated by the sweep modulation unit to the semiconductor optical amplifier to cause a laser oscillation phenomenon; and a dispersion compensator which is used in an anomalous dispersion region and changes the return time of the pulse of the laser light depending on the wavelength of the pulse of laser light guided in the resonator.
    • 该锁模激光光源装置包括半导体光放大器,其中通过注入注入电流产生载流子,激光脉冲被载波的消耗放大,相位调制相当于自相位调制依赖 由于密度载体的变化,发生激光的脉冲强度; 从半导体光放大器发射的激光的脉冲的振荡波长可变的扫描调制单元; 谐振器,其将由扫描调制单元调制的激光的脉冲返回到半导体光放大器以引起激光振荡现象; 以及色散补偿器,其用于异常色散区域,并且根据在谐振器中引导的激光的脉冲的波长来改变激光的脉冲的返回时间。
    • 6. 发明授权
    • Cover member and suspension
    • 封面和悬挂
    • US08657270B2
    • 2014-02-25
    • US13324697
    • 2011-12-13
    • Akira TakadaShinichi Sutou
    • Akira TakadaShinichi Sutou
    • F16F9/38
    • F16F9/38
    • A cover member having plural peak portions and plural trough portions, and freely stretched and shrunk in an array direction of the plural peak portions and the plural trough portions or freely bent, the cover member includes: a hollow part formed in each of the plural peak portions, the hollow part being hollowed toward an inner side from a peak of each of the plural peak portions, being formed in a circumferential direction, and having edge parts, a bottom part and side parts located between the edge parts and the bottom part. The edge parts of the hollow part are brought into contact with each other before the side parts of the hollow part are brought into contact with each other, when at least one of the plural peak portions is subjected to force in a direction intersecting with the array direction from an outside.
    • 一种盖构件,具有多个峰部和多个谷部,并且在所述多个峰部和所述多个谷部的排列方向上自由伸缩并自由弯曲,所述盖构件包括:形成在所述多个峰 所述中空部从所述多个峰部中的每一个峰的内侧向内侧中空化,沿圆周方向形成,并且具有边缘部,底部和位于所述边缘部和所述底部之间的侧部。 当中空部分的边缘部分彼此接触时,中空部分的边缘部分彼此接触,当多个峰部中的至少一个在与阵列相交的方向上施加力时 方向从外面。
    • 8. 发明授权
    • Optical branching device
    • 光分路器
    • US07561768B2
    • 2009-07-14
    • US11956695
    • 2007-12-14
    • Akira TakadaShinya IkomaShigenori Nagano
    • Akira TakadaShinya IkomaShigenori Nagano
    • G02B6/28G02B6/32
    • G02B6/2937G02B6/32
    • An optical branching device comprises a first lens member comprising a transmitting plane surface, a transmitting convex surface having an approximate center of curvature in the transmitting plane surface, and a first optical fiber and a second optical fiber firmly affixed on the transmitting plane surface of the first lens member. The transmitting convex surface has a wavelength-selective mirror surface that transmits light of a first wavelength and reflects light of a second wavelength. The light of the second wavelength, which is one of the wavelengths of light emitted from the first optical fiber and is reflected and converged by the wavelength-selective mirror surface, enters into the second optical fiber.
    • 光分路装置包括第一透镜构件,第一透镜构件包括透射平面表面,在透射平面中具有大致曲率中心的透射凸表面,以及牢固地固定在透射平面表面的透射平面上的第一光纤和第二光纤 第一透镜构件。 透射凸面具有透射第一波长的光并反射第二波长的光的波长选择镜面。 作为从第一光纤发射并被波长选择镜面反射和收敛的光的波长之一的第二波长的光进入第二光纤。
    • 9. 发明申请
    • OPTICAL BRANCHING DEVICE
    • 光学分支装置
    • US20080219679A1
    • 2008-09-11
    • US11956695
    • 2007-12-14
    • Akira TakadaShinya IkomaShigenori Nagano
    • Akira TakadaShinya IkomaShigenori Nagano
    • H04B10/12
    • G02B6/2937G02B6/32
    • An optical branching device comprises a first lens member comprising a transmitting plane surface, a transmitting convex surface having an approximate center of curvature in the transmitting plane surface, and a first optical fiber and a second optical fiber firmly affixed on the transmitting plane surface of the first lens member. The transmitting convex surface has a wavelength-selective mirror surface that transmits light of a first wavelength and reflects light of a second wavelength. The light of the second wavelength, which is one of the wavelengths of light emitted from the first optical fiber and is reflected and converged by the wavelength-selective mirror surface, enters into the second optical fiber.
    • 光分路装置包括第一透镜构件,第一透镜构件包括透射平面表面,在透射平面中具有大致曲率中心的透射凸表面,以及牢固地固定在透射平面表面的透射平面上的第一光纤和第二光纤 第一透镜构件。 透射凸面具有透射第一波长的光并反射第二波长的光的波长选择镜面。 作为从第一光纤发射并被波长选择镜面反射和收敛的光的波长之一的第二波长的光进入第二光纤。
    • 10. 发明授权
    • Method and device for producing absolute pressure-type pressure sensor
    • 用于生产绝压式压力传感器的方法和装置
    • US07418873B2
    • 2008-09-02
    • US11630120
    • 2005-06-16
    • Akira Takada
    • Akira Takada
    • G01L7/00
    • G01L9/0051G01L9/0055
    • There is provided a method and device for producing an absolute pressure type pressure sensor that enables a relative pressure type pressure sensor to be modified (converted) into an absolute pressure type pressure sensor in a simple and easy manner. The method is characterized by comprising: a step of arranging a relative pressure type pressure sensor, that has a reference pressure chamber therein, and a pressure guide hole whose one end communicates with the reference pressure chamber and the other end opens to the atmosphere, inside a vacuum chamber with the other end of the pressure guide hole opening upward; a step of placing a solder piece onto the other end of the pressure guide hole; a step of drawing a vacuum inside the vacuum chamber; and a step of heating the solder piece until the solder melts.
    • 提供一种用于制造绝对压力式压力传感器的方法和装置,其能够使相对压力型压力传感器以简单和容易的方式被改变(转换)成绝对压力型压力传感器。 该方法的特征在于包括:在其中设置有参考压力室的相对压力型压力传感器和一个与参考压力室连通的压力导向孔,另一端与大气连通的压力引导孔 一个真空室,压力导向孔的另一端向上打开; 将焊锡片放置在压力导向孔的另一端的步骤; 在真空室内抽真空的步骤; 以及加热焊料直到焊料熔化的步骤。