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    Light source
    1.
    发明授权
    Light source 有权
    光源

    公开(公告)号：US08182127B2

    公开(公告)日：2012-05-22

    申请号：US12646007

    申请日：2009-12-23

    申请人： Yukio Yasuda ,  Taku Sumitomo ,  Masaki Kato

    发明人： Yukio Yasuda ,  Taku Sumitomo ,  Masaki Kato

    IPC分类号： H01S3/00 ,  F21V9/16

    CPC分类号： H01J65/042 ,  G03F7/70016 ,  H01J61/025

    摘要： A light source is provided. The light source includes: an elliptical reflection mirror having first and second focal points; a discharge chamber in which a luminescent substance is enclosed and which is disposed on the first focal point; a laser light generator which emits the laser light; and a laser light guide which guides the laser light from an opening side of the elliptical reflection mirror into the discharge chamber. The luminescent substance is excited by providing the laser light to the luminescent substance so as to emit light, and the light is reflected by the elliptical reflection mirror. The laser light guide is disposed in a shade area in which the light reflected by the elliptical reflection mirror is blocked by the discharge chamber.

    摘要翻译： 提供光源。 光源包括：具有第一和第二焦点的椭圆反射镜; 放电室，其中发光物质被包围并设置在第一焦点上; 发射激光的激光发生器; 以及将激光从椭圆反射镜的开口侧引导到放电室的激光导向器。 通过向发光物质提供激光以发光，激发光发光物质，并且光被椭圆反射镜反射。 激光导光体设置在阴影区域中，由阴离子反射镜反射的光被排出室阻挡。

    Light source device
    2.
    发明授权
    Light source device 有权
    光源装置

    公开(公告)号：US08651701B2

    公开(公告)日：2014-02-18

    申请号：US12640587

    申请日：2009-12-17

    申请人： Yukio Yasuda ,  Taku Sumitomo ,  Masaki Kato

    发明人： Yukio Yasuda ,  Taku Sumitomo ,  Masaki Kato

    IPC分类号： G02B27/20 ,  G21G4/00

    CPC分类号： H01J65/042 ,  H01J61/025 ,  H01J61/54

    摘要： A light source device that irradiates a discharge vessel with a laser beam to produce radiant light that is reflected by an ellipsoidal reflecting surface efficiently utilizes the light produced by directing the laser beam through an unirradiated region where reflected light from the ellipsoidal reflector is blocked by the discharge vessel, through an opening side of the ellipsoidal reflector to the discharge vessel. The discharge vessel has an emission substance enclosed inside which is excited by the laser beam and produces radiant light, is arranged at a focal point of the ellipsoidal reflector. A planar mirror, with which radiant light reflected by the ellipsoidal reflector is reflected in a different direction has a window in an unirradiated region where reflected light from the ellipsoidal reflector is blocked by the discharge vessel through which the laser beam passes to the discharge vessel.

    摘要翻译： 用激光束照射放电容器以产生由椭圆反射面反射的辐射光的光源装置有效地利用通过将激光束引导通过未照射区域而产生的光，其中来自椭圆反射体的反射光被 放电容器，通过椭圆反射器的开口侧到放电容器。 放电容器具有封闭在激光束内并产生辐射光的发射物质，布置在椭圆反射体的焦点处。 由椭圆反射体反射的辐射光以不同方向反射的平面镜具有在未照射区域中的窗口，其中来自椭圆形反射体的反射光被激光束通过该放电容器的放电容器阻挡。

    TEMPERATURE INSENSITIVE DISTRIBUTED STRAIN MONITORING APPARATUS AND METHOD
    3.
    发明申请
    TEMPERATURE INSENSITIVE DISTRIBUTED STRAIN MONITORING APPARATUS AND METHOD 有权

    公开(公告)号：US20220397388A1

    公开(公告)日：2022-12-15

    申请号：US17343077

    申请日：2021-06-09

    申请人： Chunshu Zhang ,  Jie Lin ,  Masaki Kato

    发明人： Chunshu Zhang ,  Jie Lin ,  Masaki Kato

    IPC分类号： G01B11/16 ,  H04B10/079 ,  G02B6/12

    摘要： An apparatus for monitoring strain in an optical chip in silicon photonics platform. The apparatus includes a silicon photonics substrate shared with the optical chip. Additionally, the apparatus includes an optical input configured in the silicon photonics substrate to supply an input signal of a single wavelength. The apparatus further includes a first waveguide arm and a second waveguide arm embedded in the silicon photonics substrate to form an on-chip interferometer. The second waveguide arm forms a delay line being disposed at a region in or adjacent to the optical chip. The on-chip interferometer is configured to generate an interference pattern serving as an indicator of strain distributed at the region in or adjacent to the optical chip. The interference pattern is caused by a temperature-independent phase shift at the single wavelength of the interferometer between the first waveguide arm and the second waveguide arm.

    Liquid discharge head, liquid discharge device, liquid discharge apparatus, and head module
    4.
    发明授权
    Liquid discharge head, liquid discharge device, liquid discharge apparatus, and head module 有权

    公开(公告)号：US10751998B2

    公开(公告)日：2020-08-25

    申请号：US16285428

    申请日：2019-02-26

    申请人： Masaki Kato

    发明人： Masaki Kato

    IPC分类号： B41J2/175 ,  B41J2/145 ,  B41J2/18 ,  B41J2/14

    摘要： A liquid discharge head includes a plurality of nozzles to discharge a liquid; a plurality of pressure chambers communicating with the plurality of nozzles; a plurality of individual supply channels communicating with the plurality of pressure chambers; a plurality of supply ports communicating with the plurality of individual supply channels; a plurality of common-supply branch channels communicating with two or more of the plurality of individual supply channels through the plurality of supply ports; a common-supply main channel communicating with the plurality of common-supply branch channels; and a plurality of supply-side dampers, each of the plurality of supply-side dampers forming a part of a wall of each of the plurality of common-supply branch channels.

    Rotary electric machine having non-overlapping power interconnecting part
    6.
    发明授权
    Rotary electric machine having non-overlapping power interconnecting part 有权
    旋转电机具有不重叠的电力互连部分

    公开(公告)号：US09479032B2

    公开(公告)日：2016-10-25

    申请号：US13877401

    申请日：2011-01-06

    申请人： Masaki Kato ,  Masahiko Fujita ,  Kazuyasu Sakamoto

    发明人： Masaki Kato ,  Masahiko Fujita ,  Kazuyasu Sakamoto

    IPC分类号： H02K11/00 ,  H02K5/22 ,  H02K11/04

    CPC分类号： H02K11/046 ,  H02K5/225 ,  H02K11/048

    摘要： The rotary electric machine main body includes: a stator; a rotor that includes a rotating shaft and that is rotatable relative to the stator; and a supporting body that supports the stator and the rotor. The controlling apparatus includes a power circuit portion that is disposed around the rotating shaft, and that converts electric power that is received from the rotary electric machine main body or electric power that is supplied to the rotary electric machine main body between alternating current and direct current. The power circuit portion includes: a power module; and an electric power interconnecting part that includes a conductor that is connected to a terminal of the power module. The electric power interconnecting part is disposed so as to avoid overlapping with a region of the power module when the power circuit portion is viewed in an axial direction of the rotating shaft.

    摘要翻译： 旋转电机主体包括：定子; 转子，其包括旋转轴并且可相对于所述定子旋转; 以及支撑定子和转子的支撑体。 控制装置包括：电源电路部，其设置在旋转轴的周围，并且将从旋转电机主体接收的电力或供给到旋转电机主体的电力转换为交流电和直流电 。 电源电路部分包括：电源模块; 以及电力互连部，其包括连接到所述电力模块的端子的导体。 电力互连部被设置为当从旋转轴的轴向观察电力电路部时，避免与电​​力模块的区域重叠。

    Optical communication system having tunable sources
    7.
    发明授权
    Optical communication system having tunable sources 有权
    具有可调谐源的光通信系统

    公开(公告)号：US09419742B2

    公开(公告)日：2016-08-16

    申请号：US13340982

    申请日：2011-12-30

    申请人： Radhakrishnan L. Nagarajan ,  Masaki Kato ,  Michael Francis Van Leeuwen ,  Timothy Butrie

    发明人： Radhakrishnan L. Nagarajan ,  Masaki Kato ,  Michael Francis Van Leeuwen ,  Timothy Butrie

    IPC分类号： G02B6/12 ,  H04J14/02 ,  H04B10/50

    CPC分类号： H04J14/0254 ,  G02B6/12019 ,  H04B10/506

    摘要： Consistent with one example of the disclosed implementations, a photonic integrated circuit (PIC) may be provided that includes s group of lasers and an arrayed waveguide grating (AWG) disposed on a substrate. Each laser in the group may supply an optical signal, such that each optical signal has a different wavelength. Each laser may be tunable to at least two designated wavelengths, which are separated from one another by a free spectral range (FSR) of the AWG. As a result, the optical signals provided from each laser may be combined by the AWG, regardless of which designated wavelength the optical signals have. Accordingly, a PIC may be provided that has a relatively simple construction but can supply optical signals having tunable wavelengths.

    摘要翻译： 与所公开的实施例的一个示例一致，可以提供包括s组激光器和设置在衬底上的阵列波导光栅（AWG）的光子集成电路（PIC）。 组中的每个激光器可以提供光信号，使得每个光信号具有不同的波长。 每个激光器可以被调谐到至少两个指定的波长，它们通过AWG的自由光谱范围（FSR）彼此分开。 结果，从每个激光器提供的光信号可以由AWG组合，而不管光信号具有哪个指定波长。 因此，可以提供具有相对简单结构但可提供具有可调波长的光信号的PIC。

    Wide passband AWG
    8.
    发明授权
    Wide passband AWG 有权
    宽通带AWG

    公开(公告)号：US09158068B2

    公开(公告)日：2015-10-13

    申请号：US13177363

    申请日：2011-07-06

    申请人： Masaki Kato ,  Radhakrishnan L. Nagarajan

    发明人： Masaki Kato ,  Radhakrishnan L. Nagarajan

    IPC分类号： G02B6/34 ,  G02B6/12

    CPC分类号： G02B6/12011

    摘要： Consistent with the present disclosure, an AWG is provided that has grating waveguide groupings that extend between a first free space region and a second free space region. The difference in length (ΔL) between successive grating waveguides differs for each grouping of grating waveguides, such that, for example, the ΔL associated with a given grating waveguide grouping is not an integer multiple of any of the other grating waveguide groupings. The grating waveguide groupings direct images having relatively small wavelength differences to a given output waveguide, and each grating waveguide grouping has an associated passband, which is similar to that of the conventional AWG. Unlike the conventional AWG, however, multiple grating waveguide groupings are included in the same AWG, such that the spectra associated with the grating waveguide groupings combine to provide a transmission characteristic having a passband that is greater than any individual passband. Accordingly, even if the optical signal wavelengths vary or are offset from the center wavelength of the passband, such wavelengths may still be transmitted with less loss.

    摘要翻译： 根据本公开，提供了AWG，其具有在第一自由空间区域和第二自由空间区域之间延伸的光栅波导分组。 对于每组光栅波导，连续光栅波导之间的长度差（＆Dgr; L）不同，例如，与给定光栅波导组合相关联的＆Dgr; L不是任何其他光栅波导的整数倍 分组。 光栅波导分组将具有相对小的波长差的图像分配给给定的输出波导，并且每个光栅波导组具有相关的通带，其类似于常规的AWG。 然而，与传统AWG不同，多个光栅波导分组被包括在相同的AWG中，使得与光栅波导分组相关联的光谱组合以提供具有大于任何单个通带的通带的传输特性。 因此，即使光信号波长变化或偏离通带的中心波长，这样的波长仍然可以以较少的损耗传输。