Fabrication of fiber optic grating apparatus and method
    164.
    发明授权
    Fabrication of fiber optic grating apparatus and method 失效
    光纤光栅装置及方法的制作

    公开(公告)号:US06873762B1

    公开(公告)日:2005-03-29

    申请号:US10118626

    申请日:2002-04-08

    CPC classification number: G02B6/02133 G02B6/02138 G02B6/02152

    Abstract: An apparatus and method for forming a Bragg grating on an optical fiber using a phase mask to diffract a beam of coherent energy and a lens combined with a pair of mirrors to produce two symmetrical virtual point sources of coherent energy in the plane of the optical fiber. The two virtual light sources produce an interference pattern along the optical fiber. In a further embodiment, the period of the pattern and therefore the Bragg wavelength grating applied to the fiber is varied with the position of the optical fiber relative the lens.

    Abstract translation: 一种用于使用相位掩模衍射相干能量束的光纤上形成布拉格光栅的装置和方法,以及与一对反射镜组合的透镜,以在光纤平面中产生两个对称的相干能量对称虚拟点源 。 两个虚拟光源沿着光纤产生干涉图案。 在另一个实施例中,施加到光纤上的图案周期和布拉格波长光栅的周期随着光纤相对于透镜的位置而变化。

    Cladding pumped fiber laser
    165.
    发明授权
    Cladding pumped fiber laser 有权
    包层泵浦光纤激光器

    公开(公告)号:US06831934B2

    公开(公告)日:2004-12-14

    申请号:US10147023

    申请日:2002-05-15

    Abstract: A double cladding fiber includes an inner core doped with active species, an inner cladding disposed adjacent said inner core for receiving pumping energy, minimizing local modes in said inner cladding, and transferring said pumping energy to the core. An outer cladding is disposed adjacent the inner cladding. The cross section of said inner cladding has a polygon-like shape with its boundary being a plurality of well-defined arcs, each of the arcs having substantially different arc center for delivering energy with maximum efficiency to the inner core meeting the limitation of: (1−L/r1)(1−L/r2) 1; where r1 and r2 is the arc radius of the inner cladding surfaces that are opposite to each other (mirror pair), with the radius of a concave mirror being positive and that of a convex mirror being negative, L is the distance between two mirrors.

    Abstract translation: 双包层光纤包括掺杂有活性物质的内核,邻近所述内核设置的用于接收泵送能量的内包层,使所述内包层中的局部模式最小化,并将所述泵送能量转移到核心。 外包层邻近内包层设置。 所述内包层的横截面具有多边形形状,其边界是多个明确定义的圆弧,每个圆弧具有基本上不同的圆弧中心,用于以最大的效率将能量传递给满足以下限制的内核:或其中 r1和r2是彼此相反(反射镜对)的内包层表面的圆弧半径,凹面镜的半径为正,而反射镜的半径为负,L为两个反射镜之间的距离。

    Method and apparatus for securing an electronic power device to a heat spreader
    168.
    发明授权
    Method and apparatus for securing an electronic power device to a heat spreader 失效
    用于将电子设备固定到散热器的方法和设备

    公开(公告)号:US06449158B1

    公开(公告)日:2002-09-10

    申请号:US10027040

    申请日:2001-12-20

    Abstract: An electronic control module 100 is provided wherein a power device 102 is secured to a rigidizer, or heat spreader, 110 such that a thermally conductive path is created for a conduction of heat from the power device to the rigidizer. A thermally conductive and electrically insulated interface 208, preferably anodized aluminum, is disposed between device 102 and rigidizer 110 and is solder bonded to each of the device and the rigidizer, facilitating the creation of a thermal path from the device to the rigidizer. In order to solder bond the device to the interface and the interface to the rigidizer, solderable coatings 206, 210, 214 are respectively applied to the surfaces 207 and 209 of the interface and surface 215 of the rigidizer.

    Abstract translation: 提供了一种电子控制模块100,其中功率器件102被固定到刚性化器或散热器110,使得产生导热路径以将热量从功率器件传导到刚性器。 导热和电绝缘接口208(优选阳极氧化铝)设置在器件102和刚性化器110之间,并且焊接到器件和刚性器中的每一个上,有助于从器件到刚性器的热路径的产生。 为了将器件焊接到界面和与刚性化器的界面,可焊接涂层206,210,214分别施加到刚性化器的界面和表面215的表面207和209。

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