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    • 27. 发明申请
    • Apparatus and methods for remakeable connections to optical waveguides
    • 用于与光波导重新连接的装置和方法
    • US20070025669A1
    • 2007-02-01
    • US11540268
    • 2006-09-30
    • Claudius FegerPhilip HobbsMaurice McGlashan-Powell
    • Claudius FegerPhilip HobbsMaurice McGlashan-Powell
    • G02B6/44G02B6/34
    • G02B6/2821G02B6/02G02B6/02033G02B6/03622G02B6/283G02B6/29316G02B6/421G02B6/4249
    • A single-mode optical waveguide with a core, surrounded by a cladding consisting of an inner soft layer and an outer harder layer is described. The outer layer has a grating structure on its inner surface, whose spatial frequency is the same as that of the guided mode. The thickness of the inner cladding is sufficient to keep the grating outside the mode field in undeformed regions of the waveguide, so that normally no out-coupling of the light results. Connections are made by crossing two such waveguides at an angle and pressing them together. This results in deformation of the two waveguides such that the gratings are brought into proximity with the cores. Light is coupled out of one waveguide and into the other in the deformed region, resulting in a self-aligning optical connection. The out-coupled light propagates normal to the waveguide axis, so errors in the crossing angle cause little change in efficiency. Because the cladding system is sufficiently resilient to recover after deformation, the connection is remakeable.
    • 描述了具有由包含内软层和外硬层的覆层围绕的芯的单模光波导。 外层在其内表面具有光栅结构,其空间频率与导向模式相同。 内包层的厚度足以将光栅保持在波导的未变形区域中的模场外,使得通常不会导致光的外耦合。 通过将两个这样的波导以一定角度交叉并将它们压在一起而形成连接。 这导致两个波导的变形,使得光栅与芯接近。 光从一个波导耦合到变形区域中的另一个,导致自对准光学连接。 输出耦合光垂直于波导轴传播,因此交叉角的误差几乎不会导致效率的变化。 因为包层系统具有足够的弹性以在变形后恢复,所以连接是可重新制造的。
    • 28. 发明授权
    • Apparatus and methods for remakeable connections to optical waveguides
    • 用于与光波导重新连接的装置和方法
    • US07116865B2
    • 2006-10-03
    • US10315766
    • 2002-12-10
    • Claudius FegerPhilip O. D. HobbsMaurice McGlashan-Powell
    • Claudius FegerPhilip O. D. HobbsMaurice McGlashan-Powell
    • G02B6/16
    • G02B6/2821G02B6/02G02B6/02033G02B6/03622G02B6/283G02B6/29316G02B6/421G02B6/4249
    • A single-mode optical waveguide with a core, surrounded by a cladding consisting of an inner soft layer and an outer harder layer is described. The outer layer has a grating structure on its inner surface, whose spatial frequency is the same as that of the guided mode. The thickness of the inner cladding is sufficient to keep the grating outside the mode field in undeformed regions of the waveguide, so that normally no out-coupling of the light results. Connections are made by crossing two such waveguides at an angle and pressing them together. This results in deformation of the two waveguides such that the gratings are brought into proximity with the cores. Light is coupled out of one waveguide and into the other in the deformed region, resulting in a self-aligning optical connection. The out-coupled light propagates normal to the waveguide axis, so errors in the crossing angle cause little change in efficiency. Because the cladding system is sufficiently resilient to recover after deformation, the connection is remakeable.
    • 描述了具有由包含内软层和外硬层的覆层围绕的芯的单模光波导。 外层在其内表面具有光栅结构,其空间频率与导向模式相同。 内包层的厚度足以将光栅保持在波导的未变形区域中的模场外,使得通常不会导致光的外耦合。 通过将两个这样的波导以一定角度交叉并将它们压在一起而形成连接。 这导致两个波导的变形,使得光栅与芯接近。 光从一个波导耦合到变形区域中的另一个,导致自对准光学连接。 输出耦合光垂直于波导轴传播,因此交叉角的误差几乎不会导致效率的变化。 因为包层系统具有足够的弹性以在变形后恢复,所以连接是可重新制造的。
    • 30. 发明授权
    • Efficient backlighting for a portable display
    • 便携式显示器的高效背光
    • US06217185B1
    • 2001-04-17
    • US09265137
    • 1999-03-08
    • Claudius FegerRobert Lee Sandstrom
    • Claudius FegerRobert Lee Sandstrom
    • F21V704
    • G02B6/0021G02B6/0036G02B6/0046
    • Efficiency in light transfer between a light source and a viewing screen is attained in the invention by positioning a small diameter source of light at a position of highest light transfer intensity within an essentially semicircular reflector interfacing at the wide portion of a wedge shaped light pipe light transfer member and minimizing reflection losses at every optical interface in the light path between the light source and the viewer. A wedge shaped light pipe light transfer member of the invention has attached a light source with unit diameter light bulb positioned off center of a four unit diameter semicircular solid reflector of a transparent material that is closely index of refraction matched with index of refraction of a wedge shaped light pipe light transfer member on the upper face of which is positioned the addressable viewing screen and, the portion of the wedge shape light pipe light transfer member being terminated in a reflection preventing face that is at about 45 degrees from the centerline of the wedge shaped member.
    • 在本发明中,通过将小直径光源定位在光学传输强度最高的位置,在楔形光管的宽部分内的基本上半圆形的反射器内部接合,实现了光源和观察屏幕之间的光传输效率 并且在光源和观察者之间的光路中的每个光学界面处的反射损失最小化。 本发明的楔形光管光传输部件安装了一个光源,其中单位直径的灯泡位于透明材料的四个单位直径的半圆形固体反射器的中心的外侧,该透明材料的折射率与楔形的折射率匹配 形状的光管光传输构件,其上表面位于可寻址的观察屏幕上,并且楔形光管光传输构件的部分终止于与楔形件的中心线成约45度的防反射面 形状的成员。