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    • 22. 发明授权
    • Incident-light fluorescent illumination device and fluorescent microscope using the device
    • 入射光荧光照明装置和荧光显微镜使用该装置
    • US08760757B2
    • 2014-06-24
    • US13048443
    • 2011-03-15
    • Kenji Kawasaki
    • Kenji Kawasaki
    • G02B21/06
    • G02B21/16G02B27/0905G02B27/0961
    • An incident-light fluorescent illumination device includes: a light source emitting illumination light; a collector lens receiving the illumination light from the light source; a fly-eye lens optical system receiving the illumination light from the collector lens; an objective emitting the illumination light to a sample surface; and a relay optical system arranged between the fly-eye lens optical system and the objective. The fly-eye lens optical system includes a first fly-eye lens surface and a second fly-eye lens surface each having a plurality of lens elements. The incident-light fluorescent illumination device satisfies the conditional expression of 0.3≦D0/Lob≦0.75 where: D0 indicates the distance between a conjugate position with the second fly-eye lens surface through the relay optical system and a pupil position of the objective, and Lob indicates a parfocalizing distance of the objective.
    • 入射光荧光照明装置包括:发射照明光的光源; 收集来自所述光源的照明光的收集透镜; 接收来自收集透镜的照明光的蝇眼透镜光学系统; 将照明光发射到样品表面的目标; 以及布置在飞眼镜片光学系统和物镜之间的中继光学系统。 蝇眼透镜光学系统包括具有多个透镜元件的第一复眼透镜表面和第二复眼透镜表面。 入射光荧光照明装置满足条件表达式0.3≦̸ D0 / Lob≦̸ 0.75其中:D0表示通过中继光学系统与第二复眼透镜表面的共轭位置之间的距离和物镜的瞳孔位置 ,而Lob表示目标的parfocalization距离。
    • 24. 发明授权
    • Microscope using oil immersion system objective and its microscopy
    • 显微镜采用油浸系统物镜及其显微镜
    • US07602556B2
    • 2009-10-13
    • US11454909
    • 2006-06-19
    • Kenji Kawasaki
    • Kenji Kawasaki
    • G02B21/02
    • G02B21/33
    • A microscope has an oil immersion system objective and an imaging lens to make observations by charging oil between a cover glass protecting a sample and the most sample-side lens surface. At least one of a plurality of lens units, placed on the image side of the most sample-side lens in the oil immersion system objective, is moved along the optical axis, and thereby a front focal distance and a front focal position can be adjusted so that a predetermined depth position of the sample is focused in a state where a working distance WD between the cover glass and the most sample-side lens surface in the oil immersion system objective is set to a condition, 0
    • 显微镜具有油浸系统物镜和成像透镜,用于通过在保护样品的玻璃玻璃与最样品侧透镜表面之间充油来观察。 放置在油浸式系统物镜中的最采样侧透镜的像侧上的多个透镜单元中的至少一个沿着光轴移动,从而可以调整前焦距和前焦点位置 使得样品的预定深度位置在油浸系统物镜中的盖玻璃和最大取样侧透镜表面之间的工作距离WD被设定为0
    • 26. 发明申请
    • NUCLEAR MAGNETIC RESONANCE (NMR) PROBE
    • 核磁共振(NMR)探针
    • US20080258730A1
    • 2008-10-23
    • US11943731
    • 2007-11-21
    • Yuzo FukudaShuya HagiwaraKenji Kawasaki
    • Yuzo FukudaShuya HagiwaraKenji Kawasaki
    • G01R33/34
    • G01R33/3621G01R33/34061G01R33/34092G01R33/3664
    • There is provided a nuclear magnetic resonance probe in which the loss caused by a high frequency cable between a probe coil and a preamplifier is reduced and the sensitivity of an NMR signal is improved. A changeover switch for NMR probe is divided into a switch part including switch elements and a filter part for filtering a switch control signal and an RF transmission signal. The switch part is disposed in a probe body inserted in a magnet of the probe. The filter part is disposed near a measurement apparatus located outside the probe. As for the switch part, a section structure of thickness and width is reduced in conformity with a narrow and slender shape of the probe body. The length of a high frequency cable between the probe coil and the preamplifier is shortened remarkably, and consequently the loss can be reduced.
    • 提供了一种核磁共振探针,其中由探头线圈和前置放大器之间的高频电缆引起的损耗降低,并且提高了NMR信号的灵敏度。 用于NMR探针的转换开关被分为包括开关元件的开关部分和用于滤波开关控制信号和RF发送信号的滤波器部分。 开关部设置在插入探针的磁体中的探针体内。 过滤器部件设置在位于探头外部的测量装置附近。 对于开关部件,厚度和宽度的截面结构根据探头主体的窄而细长的形状而减小。 探针线圈和前置放大器之间的高频电缆的长度显着缩短,从而可以减少损耗。