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    • 1. 发明申请
    • Optical Connection Method And Optical Transmission Apparatus
    • 光学连接方法和光传输设备
    • US20070286560A1
    • 2007-12-13
    • US11660648
    • 2005-08-19
    • Yoshisada NakamuraHiroki TakahashiTakanori SatoKenji MatsumotoHiroyuki Hiiro
    • Yoshisada NakamuraHiroki TakahashiTakanori SatoKenji MatsumotoHiroyuki Hiiro
    • G02B6/028
    • G02B6/02038G02B6/03633G02B6/3878
    • A plastic optical fiber (11) has a core (12) and a clad (13). The clad (13) is composed of an outer clad (14) and an inner clad (15). The refractive index in the core (12) gradually increases as the distance from the center thereof decreases. The refractive index in the inner clad (15) is equal to the minimum value of the refractive index in the core (12), and the refractive index in the outer clad (14) is smaller than that in the inner clad (15). For the purpose of decreasing the transmission loss between the plastic optical fiber (11) and a light emission device or the light receiving device, the diameter d1 of the core (12) and the outer diameter d2 of the inner clad (15) satisfy the following conditions; 100(μm)≦d1≦700(μm) 200(μm)≦d1≦1000(μm) d1
    • 塑料光纤(11)具有芯(12)和包层(13)。 包层(13)由外包层(14)和内包层(15)组成。 芯部(12)的折射率随着距离其中心的距离减小而逐渐增加。 内包层(15)中的折射率等于芯(12)中的折射率的最小值,并且外包层(14)中的折射率小于内包层(15)中的折射率。 为了降低塑料光纤(11)与发光装置或光接收装置之间的传输损耗,芯(12)的直径d 1和内包层(15)的外径d 2, 满足以下条件; <?in-line-formula description =“In-line formula”end =“lead”?> 100(mum)<= d1 <= 700(mum)<?in-line-formula description =“In-line Formulas end =“tail”?> <?in-line-formula description =“In-line formula”end =“lead”?> 200(mum)<= d1 <= 1000(mum)<? =“内联公式”end =“tail”?> <?in-line-formula description =“In-line formula”end =“lead”?> d1
    • 2. 发明授权
    • Optical connection method and optical transmission apparatus
    • 光连接方法和光传输装置
    • US07429138B2
    • 2008-09-30
    • US11660648
    • 2005-08-19
    • Yoshisada NakamuraHiroki TakahashiTakanori SatoKenji MatsumotoHiroyuki Hiiro
    • Yoshisada NakamuraHiroki TakahashiTakanori SatoKenji MatsumotoHiroyuki Hiiro
    • G02B6/36
    • G02B6/02038G02B6/03633G02B6/3878
    • A plastic optical fiber (11) has a core (12) and a clad (13). The clad (13) is composed of an outer clad (14) and an inner clad (15). The refractive index in the core (12) gradually increases as the distance from the center thereof decreases. The refractive index in the inner clad (15) is equal to the minimum value of the refractive index in the core (12), and the refractive index in the outer clad (14) is smaller than that in the inner clad (15). For the purpose of decreasing the transmission loss between the plastic optical fiber (11) and a light emission device or the light receiving device, the diameter d1 of the core (12) and the outer diameter d2 of the inner clad (15) satisfy the following conditions; 100(μm)≦d1≦700(μm) 200(μm)≦d1≦1000(μm) d1
    • 塑料光纤(11)具有芯(12)和包层(13)。 包层(13)由外包层(14)和内包层(15)组成。 芯部(12)的折射率随着距离其中心的距离减小而逐渐增加。 内包层(15)中的折射率等于芯(12)中的折射率的最小值,并且外包层(14)中的折射率小于内包层(15)中的折射率。 为了降低塑料光纤(11)与发光装置或光接收装置之间的传输损耗,芯(12)的直径d 1和内包层(15)的外径d 2, 满足以下条件; <?in-line-formula description =“In-line formula”end =“lead”?> 100(mum)<= d 1 <= 700(mum)<?in-line-formula description = “end =”tail“?> <?in-line-formula description =”In-line formula“end =”lead“?> 200(mum)<= d 1 <= 1000(mum)<?in-line- 公式描述=“内联公式”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> d 1
    • 6. 发明授权
    • Optical beam deflector modifying phases of respective portions of optical beam by two arrays of optical phase modulators
    • 光束偏转器通过光学相位调制器的两个阵列修改光束的各个部分的相位
    • US06341136B1
    • 2002-01-22
    • US09519885
    • 2000-03-06
    • Hiroyuki Hiiro
    • Hiroyuki Hiiro
    • H01S310
    • G02B27/0961G02F1/292H01S3/101H01S5/005H01S5/4025
    • An optical beam deflector in which a crosssection of an incident optical (e.g., laser) beam is divided into a first plurality of portions (micro crosssections) by an array of first lenses, a plurality of phases of the optical beam in the first micro crosssections are respectively modified by an array of first optical phase modulators so that a desired phase distribution is realized over the crosssection of the optical beam, and thereafter the crosssection of the optical beam is further divided into a plurality of second micro crosssections, and a plurality of phases of the optical beam in the second micro crosssections are respectively modified by an array of second optical phase modulators. An array of second lenses is provided corresponding to the second optical phase modulators to collect a plurality of portions of the optical beam output from the second optical phase modulators. The first and second optical phase modulators are driven by a driving unit so that the optical beam output from the array of second lenses as a whole is finally directed in a desired direction of deflection or to a desired point.
    • 一种光束偏转器,其中入射光学(例如,激光)光束的横截面通过第一透镜阵列分成第一多个部分(微观截面),第一微观截面中的光束的多个相位 分别由第一光学相位调制器的阵列修改,使得在光束的横截面上实现期望的相位分布,此后,光束的横截面被进一步分为多个第二微观截面,并且多个 第二微观截面中的光束的相位分别由第二光学相位调制器的阵列修改。 对应于第二光学相位调制器提供第二透镜阵列,以收集从第二光学相位调制器输出的光束的多个部分。 第一和第二光学相位调制器由驱动单元驱动,使得从第二透镜阵列输出的光束作为整体最终被引导到期望的偏转方向或期望的点。
    • 7. 发明授权
    • Laser
    • 激光
    • US06385229B1
    • 2002-05-07
    • US09206973
    • 1998-12-08
    • Hiroyuki Hiiro
    • Hiroyuki Hiiro
    • H01S308
    • H01S3/08004H01S3/08H01S3/08045H01S3/0805H01S3/0941H01S5/4062
    • A laser beam having a high power and preferable quality is obtained by a laser using a laser medium having a wide active region or a large mode volume. The laser includes a laser source, first and second resonator mirrors as a laser resonator optical system, an array illuminator optical system which is placed within the resonator optical system and places, at even spacing in a plane perpendicular to an optical axis of the resonator, complex amplitude distributions including only a fundamental transverse mode in a uniform phase similar to a fundamental transverse mode component of a laser beam emitted from the laser beam source. A higher-order mode component is diffracted in an angle larger than its diffraction angle and eliminated outside the resonator.
    • 通过使用具有宽的有源区域或大模式体积的激光介质的激光来获得具有高功率和优选质量的激光束。 激光器包括激光源,作为激光谐振器光学系统的第一和第二谐振镜,放置在谐振器光学系统内的阵列照明器光学系统,并且在垂直于谐振器的光轴的平面中以均匀间隔放置, 复数幅度分布仅包括类似于从激光束源发射的激光束的基本横向分量的均匀相位中的基本横向模式。 高阶模分量以大于其衍射角的角度衍射,并消除在谐振器外。
    • 8. 发明授权
    • Laser system for rotating amplitude distribution of output light
    • 用于旋转输出光的幅度分布的激光系统
    • US6163558A
    • 2000-12-19
    • US305694
    • 1999-05-05
    • Hiroyuki Hiiro
    • Hiroyuki Hiiro
    • H01S5/00G02B27/09H01S5/028H01S5/14H01S5/20H01S3/08
    • G02B27/0972G02B19/0014G02B19/0052H01S5/005H01S5/028H01S5/0655H01S5/14H01S5/20H01S5/2036H01S2301/14
    • A laser system includes a light amplifier medium provided with an optical waveguide layer which controls the transverse mode to a fundamental transverse mode in one direction, a first resonator mirror optical system which is opposed to a first light outlet end face of the light amplifier medium and reflects a laser beam radiated from the first light outlet end face to impinge upon the first light outlet end face, and a second resonator mirror optical system which is opposed to a second light outlet end face of the light amplifier medium and reflects a laser beam radiated from the second light outlet end face to impinge upon the second light outlet end face. At least one of the first and second resonator mirror optical system includes a collimator optical system which collimates the amplitude distribution in the laser beam radiated from the corresponding light output end face of the light amplifier medium at least in a direction substantially perpendicular to the optical waveguide layer, and a reflecting optical system which converts amplitude distribution in the direction substantially perpendicular to the optical waveguide layer in the collimated laser beam to amplitude distribution in a direction substantially parallel to the optical waveguide layer and reflects the laser beam.
    • 激光系统包括光放大器介质,该光放大器介质设置有在一个方向上将横向模式控制为基本横向模式的光波导层;与光放大介质的第一光出射端面对置的第一谐振镜系统, 反射从第一光出射端面辐射的激光束撞击在第一光出射端面上;第二谐振镜系统,其与光放大介质的第二光出射端面相对并反射辐射的激光束 从第二出光端面射出第二光出射端面。 第一和第二谐振镜光学系统中的至少一个包括准直器光学系统,该准直器光学系统至少在基本上垂直于光波导的方向上对来自光放大器介质的对应光输出端面辐射的激光束中的振幅分布进行准直 以及反射光学系统,其将基准垂直于准直激光束中的光波导层的方向的振幅分布转换成基本上平行于光波导层的方向的振幅分布并反射激光束。
    • 9. 发明授权
    • Laser apparatus
    • 激光设备
    • US5661747A
    • 1997-08-26
    • US365010
    • 1994-12-28
    • Hiroyuki Hiiro
    • Hiroyuki Hiiro
    • G02B27/10G02B6/42H01S5/00H01S5/40H01S3/08
    • H01S5/4062G02B6/425H01S5/4025
    • A laser apparatus comprises a plurality of laser beam sources for radiating out a plurality of laser beams such that the laser beams may intersect one another on a predetermined virtual plane, through which the laser beams pass. A Fourier transform lens array optical system, which divides the laser beams having impinged upon the virtual plane into small regions and carries out Fourier transform of the small regions, is located in the vicinity of the virtual plane. A laser resonator mirror optical system is constituted of a first laser resonator mirror, which is located at a position that receives the laser beams having been radiated out of the Fourier transform lens array optical system, and a second laser resonator mirror, which is located at a position rearward from the laser beam sources. The laser apparatus coherently combines the later beams with one another without reducing the radiant energy combining efficiency and thereby radiates out a combined laser beam having a high output power.
    • 激光装置包括多个用于照射多个激光束的激光束源,使得激光束可以在激光束通过的预定虚拟平面上彼此相交。 将入射到虚拟平面上的激光束分成小区域并进行小区域的傅里叶变换的傅里叶变换透镜阵列光学系统位于虚拟平面附近。 激光谐振器镜面光学系统由位于接收从傅里叶变换透镜阵列光学系统辐射出的激光束的位置的第一激光谐振镜和第二激光谐振镜组成,第二激光谐振镜位于 从激光束源向后的位置。 激光设备将后续光束相互组合,而不会降低辐射能组合效率,从而辐射出具有高输出功率的组合激光束。
    • 10. 发明授权
    • Light amplifying device
    • 光放大装置
    • US5048030A
    • 1991-09-10
    • US668332
    • 1991-03-14
    • Hiroyuki Hiiro
    • Hiroyuki Hiiro
    • G02F1/35H01S3/08H01S5/00H01S5/10H01S5/14H01S5/40
    • H01S5/4025H01S3/08054H01S3/082H01S5/14H01S5/4062
    • A light amplifying device comprising an optical oscillator constituted by first and second reflective mirrors and a common reflective mirror disposed in an optically opposite relation to each other, a polarized beam splitter for making a laser beam incoming from the side of the common reflective mirror incident on the first or second reflective mirror, and for making laser beams incoming from the sides of the first and second reflective mirrors incident on the common mirror, first and second amplifying media disposed in optical paths of the respective laser beams for amplifying the laser beams, and an optical element for rotating the polarizing plane of the laser beam reflected by the common reflective mirror by a predetermined angle. The laser beams emitted from the first and second amplyfying media are repeatedly between the first and second reflective mirrors and the common reflective mirror while being amplified through the respective amplifying media, for being emitted from the common reflective mirror as a high-energy synthesized laser beam in a single polarized state.
    • 一种光放大装置,包括由第一和第二反射镜构成的光学振荡器和以彼此光学相对的关系设置的公共反射镜,用于使从入射到共用反射镜侧的激光束入射的偏振分束器 第一或第二反射镜,并且用于使入射到公共反射镜的第一和第二反射镜的侧面入射的激光束,设置在各个激光束的光路中的第一和第二放大介质,用于放大激光束;以及 光学元件,用于将由公共反射镜反射的激光束的偏振平面旋转预定角度。 从第一和第二充填介质发射的激光束在通过相应的放大介质放大时重复地在第一和第二反射镜和公共反射镜之间,以便作为高能量合成激光束从公共反射镜发射 处于单极化状态。