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    • 1. 发明授权
    • Apparatus for synthesizing laser beams
    • 用于合成激光束的装置
    • US07339975B2
    • 2008-03-04
    • US10769995
    • 2004-02-03
    • Fusao YamanakaYoji OkazakiChiaki GotoShinichi Shimotsu
    • Fusao YamanakaYoji OkazakiChiaki GotoShinichi Shimotsu
    • H01S3/08
    • G02B19/0057G02B19/0014G02B19/0028G02B19/009G02B27/0961H01S5/005H01S5/02284H01S5/4012H01S5/4031
    • (Problem to be solved) To provide a laser beam synthesizing apparatus which is small in size and high in output power.(Means for solving the problem) A convergent angle transforming optical system 30 is disposed further upstream of the upstream-most position Pa in the positions where the optical axes of beam bundles La, Lb, Lc . . . which are radiated from a plurality of semiconductor lasers 11A, 11B, 112C . . . and converged in the fast axis view by a converging/dispersion lens 120 intersect each other in the fast axis view, and the whole beam bundle made up of the beam bundles La, Lb, Lc . . . passed through the converging/dispersion lens 120 is converged in the fast axis view by the convergent angle transforming optical system 30 so that the angle of convergence of the whole beam bundle is made smaller in the fast axis view, and introduced into the core 41 of an optical fiber 40.
    • (待解决的问题)提供一种尺寸小,输出功率高的激光束合成装置。 (解决问题的手段)在束流束束La,Lb,Lc的光轴的位置,将会聚角度变换光学系统30设置在最上游位置Pa的上游的上游。 。 。 它们从多个半导体激光器11A,11B,112C辐射。 。 。 并且通过在快轴视图中彼此相交的会聚/分散透镜120以及由束束La,Lb,Lc构成的整个束束而在快轴视图中会聚。 。 。 通过会聚/分散透镜120,通过会聚角度变换光学系统30在快轴视图中会聚,使得整个束束的会聚角度在快轴视图中变小,并被引入到 光纤40。
    • 4. 发明授权
    • Light guide, light source apparatus and endoscope system
    • 光源,光源装置及内窥镜系统
    • US08403836B2
    • 2013-03-26
    • US12705878
    • 2010-02-15
    • Shinichi Shimotsu
    • Shinichi Shimotsu
    • A61B1/06G02B6/36
    • G02B6/06A61B1/00071A61B1/00096A61B1/07
    • A large diameter fiber is composed of a multimode optical fiber and provided with a fiber body having a constant diameter in an optical axis direction XA and a tapered section tapered in diameter toward a light exit surface. An adhesive member attaches the large diameter fiber inside a retaining hole of a tubular housing such that an outer circumferential surface of a tapered clad of the tapered section is entirely exposed to air to a predetermined depth from the light exit surface. A light passing space is a ring-like space formed between the exposed outer circumferential surface of the tapered clad and an inner circumferential surface of the tubular housing. Light in the tapered section is output from the light exit surface and partially leaked to the tapered clad. A part of the leaked light is released from the light passing space.
    • 大直径光纤由多模光纤构成,在光轴方向XA上具有恒定直径的纤维体和朝向光出射面直径呈锥形的锥形部。 粘合部件将大直径纤维连接在管状壳体的保持孔内,使得锥形部分的锥形包层的外周面完全暴露于距离出射表面的预定深度的空气中。 光通过空间是形成在锥形包层的暴露的外周面与管状壳体的内周面之间的环状空间。 锥形部分的光从光出射面输出,部分地泄漏到锥形包层。 泄漏的光的一部分从光通过空间释放。
    • 5. 发明授权
    • Optical fiber structure
    • 光纤结构
    • US07899289B2
    • 2011-03-01
    • US12359759
    • 2009-01-26
    • Shinichi Shimotsu
    • Shinichi Shimotsu
    • G02B6/26
    • G02B6/3676G02B6/262G02B6/3624G02B6/3636
    • An optical fiber structure includes a first fiber array and a second fiber array, which are placed one on the other. For example, the first fiber array includes a substrate having four V-shaped grooves and four first optical fibers, the output ends of which are linearly arranged and fixed to the substrate, and the second fiber array includes a substrate having four V-shaped grooves and four second optical fibers, the output ends of which are linearly arranged and fixed to the substrate. The first optical fiber is a multimode fiber having a core and a cladding, and the core diameter is 60 μm and the outer diameter of the fiber is 80 μm. The second optical fiber is a multimode fiber having a core and a cladding, and the core diameter is 105 μm and the outer diameter of the fiber is 125 μm.
    • 光纤结构包括一个放置在另一个上的第一光纤阵列和第二光纤阵列。 例如,第一光纤阵列包括具有四个V形槽的基板和四个第一光纤,其输出端线性地布置并固定在基板上,第二光纤阵列包括具有四个V形槽 以及四个第二光纤,其输出端线性地布置并固定到基板。 第一光纤是具有芯和包层的多模光纤,芯直径为60μm,纤维的外径为80μm。 第二光纤是具有芯和包层的多模光纤,芯直径为105μm,光纤的外径为125μm。
    • 6. 发明授权
    • Optical module
    • 光模块
    • US07692876B2
    • 2010-04-06
    • US11513042
    • 2006-08-31
    • Shinichi Shimotsu
    • Shinichi Shimotsu
    • G02B1/00
    • G02B6/4206
    • An optical module in which the light outputted from the light source is condensed before outputted, and yet capable of reducing the development of contaminants on the light condensing area. The optical module includes: a light source for outputting light in the short wavelength region; a transparent member having a light input face and a light output face; and a condensing optical system for inputting the light outputted from the light source to the input face of the transparent member, and focusing the light on the output face. The transparent member has an alkali metal content (e.g. Na or K) of less than 2.0% by weight, and/or with a light absorption of less than 0.65%/mm for the light outputted from the light source.
    • 其中从光源输出的光在输出之前被冷凝,并且还能够减少聚光区域上的污染物的发展的光学模块。 光模块包括:用于在短波长区域中输出光的光源; 具有光输入面和光输出面的透明构件; 以及聚光光学系统,用于将从光源输出的光输入到透明构件的输入面,并将光聚焦在输出面上。 对于从光源输出的光,透明构件具有小于2.0重量%的碱金属含量(例如Na或K)和/或具有小于0.65%/ mm的光吸收。
    • 7. 发明授权
    • Optical fiber connection structure and endoscope system
    • 光纤连接结构和内窥镜系统
    • US08419622B2
    • 2013-04-16
    • US12821705
    • 2010-06-23
    • Shinichi Shimotsu
    • Shinichi Shimotsu
    • A61B1/07G02B6/38
    • G02B6/32A61B1/00126A61B1/07G02B3/0087G02B6/262G02B6/3813G02B6/3874G02B23/2469
    • A first fiber stub incorporating a first GI fiber is connected to a first optical fiber by a PC connection. The first GI fiber expands a beam diameter of light transmitted by the first optical fiber and collimates this light. A second fiber stub is connected to a second optical fiber by the PC connection. The second fiber stub, facing the first fiber stub across a predetermined gap G therebetween, converges the light transmitted from the first fiber stub using a second GI fiber incorporated therein. The second fiber stub transmits the converged light to the second optical fiber. When the first fiber stub or the second fiber stub is damaged, the first fiber stub or the second fiber stub is pulled out from a first sleeve or a second sleeve, respectively for replacement.
    • 结合第一GI光纤的第一光纤短截线通过PC连接连接到第一光纤。 第一GI纤维扩展由第一光纤传输的光的光束直径,并使该光准直。 通过PC连接将第二纤维短截线连接到第二光纤。 第二纤维短截线在其间的预定间隙G面对第一纤维短截线,使用并入其中的第二GI纤维会聚来自第一纤维短截线的光。 第二光纤短截线将会聚的光传输到第二光纤。 当第一纤维束或第二纤维短截线被损坏时,第一纤维短截线或第二纤维短截线分别从第一套筒或第二套筒中拉出以进行更换。
    • 8. 发明授权
    • Light guide for endoscopes
    • 内窥镜导光板
    • US08270794B2
    • 2012-09-18
    • US12495160
    • 2009-06-30
    • Shinichi Shimotsu
    • Shinichi Shimotsu
    • G02B6/06
    • G02B23/2469A61B1/00167A61B1/0017A61B1/07
    • The amount of heat generated at a light input portion of a light guide for endoscopes constituted by a plurality of bundled optical fibers is suppressed. The light guide for endoscopes is constituted by a plurality of bundled optical fibers, for propagating an illuminating light beam, which is focused and caused to enter a light input end facet thereof, to a light output end facet thereof, to emit the illuminating light beam onto a portion to be observed. A transparent member having a sectional shape which is at least as large as the focused spot of the illuminating light beam is provided in close contact with the light input end facets of the optical fibers. The optical fibers are connected to the transparent member in a maximally densely packed state.
    • 由多个捆扎光纤构成的内窥镜导光体的光输入部产生的热量被抑制。 用于内窥镜的光导由多个​​捆扎光纤构成,用于将被聚焦并被引入其光输入端小面的照明光束传播到其光输出端面,以发射照明光束 到要观察的部分。 具有至少与照明光束的聚焦点一样大的截面形状的透明构件与光纤的光输入端面紧密接触。 光纤以最大密集的状态连接到透明构件。