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    • 81. 发明授权
    • Confocal microscope
    • 共焦显微镜
    • US07215469B2
    • 2007-05-08
    • US11362473
    • 2006-02-24
    • Tatsuo NakataMasahiro Aoki
    • Tatsuo NakataMasahiro Aoki
    • G02B21/06G02B21/00G01J4/00F21V9/16
    • G02B21/16G02B21/0068G02B21/0076
    • A confocal microscope comprises a light source emitting a polarized light beam, an objective lens irradiating the polarized light beam, which is deflected and scanned by the optical scanner, to the sample as an excitation light beam, a wavelength separator detecting a necessary wavelength band from a polarized fluorescence emitted from the sample which is excited by the polarized light beam, and a photodetector unit having a polarization property extractor extracting a fluorescence with a predetermined polarization property from the fluorescence detected with the wavelength separator, a wavelength selector selecting a wavelength of the fluorescence extracted by the polarization property extractor, and a photodetector detecting the fluorescence selected by the wavelength selector.
    • 共聚焦显微镜包括发射偏振光束的光源,照射由光学扫描器偏转和扫描的偏振光束的物镜作为激发光束的样品,从波长分离器检测必要的波长带 从由所述偏振光束激发的样品发射的偏振荧光;以及光电检测器单元,具有偏振特性提取器,从由所述波长分离器检测到的荧光提取具有预定偏振特性的荧光;波长选择器, 由偏振特性提取器提取的荧光,以及检测由波长选择器选择的荧光的光检测器。
    • 84. 发明授权
    • Semiconductor laser apparatus
    • 半导体激光装置
    • US06967983B2
    • 2005-11-22
    • US10358154
    • 2003-02-05
    • Masahiro Aoki
    • Masahiro Aoki
    • H01S5/022H01S5/026H01S5/125H01S5/40H01S5/00
    • H01S5/06256B82Y20/00H01S5/026H01S5/0265H01S5/028H01S5/1014H01S5/1039H01S5/22H01S5/34306H01S5/4012H01S5/4087
    • A device structure whereby an excellent tunable laser does not require a highly complicated wavelength control circuit, and delivers a high output, and excels in wavelength stability; and a structure of an optical module incorporating the laser; and a method for manufacturing the laser and the optical module. The wavelength of the laser is varied continuously with the single electric signal in the tunable wavelength range by setting the laser resonator length, the electric driving conditions of the laser at the time of tuning the wavelength, and the operating temperature to be in appropriate ranges, respectively. The device structure whereby improved laser gain, decreased electric resistance, and reduced heat resistance is attained by setting the waveguide width, particularly at part of or all parts of the laser resonator waveguide, to a wide width that allows multiple transverse modes to be sustained and setting both the width and the laser resonator length to appropriate values, respectively. By employing a self-image-formation effect resulting from the multi-mode interference effect, mode conversion loss in the laser resonator is reduced and, connection with an optical fiber is facilitated because the light intensity distribution at an emitting facet of the laser becomes a single-peaked lowest-order mode.
    • 优异的可调谐激光器不需要高度复杂的波长控制电路,输出高输出,波长稳定性优异的器件结构; 以及包含该激光器的光学模块的结构; 以及制造激光和光学模块的方法。 通过将激光谐振器长度,在调谐波长时的激光器的电驱动条件和操作温度设置在适当的范围内,激光器的波长随着单个电信号在可调波长范围内连续变化, 分别。 通过将波导宽度,特别是在激光谐振器波导的部分或全部设置波导宽度到允许多个横向模式被维持的宽宽度来实现改进的激光增益,降低的电阻和降低的耐热性的装置结构, 将宽度和激光谐振器长度分别设置为适当的值。 通过采用由多模式干涉效应产生的自图像形成效应,激光谐振器中的模式转换损耗降低,并且与光纤的连接容易,因为激光器的发射面处的光强分布变为 单峰最低阶模式。
    • 90. 发明授权
    • Optical transmission apparatus
    • 光传输装置
    • US06236771B1
    • 2001-05-22
    • US09251662
    • 1999-02-17
    • Masahiro AokiKazuhisa UomiSatoshi Aoki
    • Masahiro AokiKazuhisa UomiSatoshi Aoki
    • G02F1035
    • H01S5/02276H01L2224/48091H01L2224/48137H01S5/02216H01S5/0224H01S5/02252H01S5/02268H01S5/02272H01S5/02284H01S5/0265H01L2924/00014
    • An optical transmission apparatus, where the variation of optical wavelength due to temperature change is slight, and at the same time, the stray capacitance of an external modulator is reduced, and an optical integrated structure having a light source and the external modulator is mounted in a mechanically stable manner. The external modulator modulates output light from a semiconductor laser. The semiconductor laser is a front-end emission semiconductor laser that emits unmodulated light. The semiconductor laser and the modulator are monolithically integrated as an integrated structure. Control electrodes of the semiconductor laser and the modulator formed on a waveguide of the integrated structure are junction-down mounted via solder material to a laser-driving electrode and optical-modulator driving electrode separately formed on an optical mounting substrate.
    • 由于温度变化导致的光波长的变化小的光传输装置,同时外部调制器的寄生电容减少,具有光源和外部调制器的光学集成结构安装在 机械稳定的方式。 外部调制器调制半导体激光器的输出光。 半导体激光器是发射未调制光的前端发射半导体激光器。 半导体激光器和调制器作为集成结构单片集成。 形成在集成结构的波导上的半导体激光器和调制器的控制电极通过焊料材料结合到安装在光学安装基板上的激光驱动电极和光学调制器驱动电极。