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    Solid state optical data reader using an electric field for routing control
    5.
    发明授权
    Solid state optical data reader using an electric field for routing control 失效
    固态光学数据读取器使用电场进行路由控制

    公开(公告)号：US5835458A

    公开(公告)日：1998-11-10

    申请号：US812416

    申请日：1997-03-06

    申请人： William K. Bischel ,  David A. G. Deacon ,  Michael J. Brinkman ,  Simon J. Field ,  Edward J. DeWath ,  Mark J. Dyer

    发明人： William K. Bischel ,  David A. G. Deacon ,  Michael J. Brinkman ,  Simon J. Field ,  Edward J. DeWath ,  Mark J. Dyer

    IPC分类号： G11B7/12 ,  G11B7/135 ,  G11B7/14 ,  G11B7/095

    CPC分类号： G11B7/1353 ,  G11B7/122 ,  G11B7/1245 ,  G11B7/1372 ,  G11B7/14

    摘要： An optical beam routing apparatus is constructed of solid material in which is embedded a beam routing array structure (1370) which has at least a first waveguide segment (1376) traversing the solid material along a plane, second waveguide segments (1378) traversing the solid material along the same plane and encountering the first waveguide segment at a plurality of intersections, electrically-controlled gratings 1372, 1373) disposed transverse to the intersections to controllably reflect optical energy between the first waveguide segment and the second waveguide segments, and optical reflectors (1374, 1375) at selected locations in line with the second waveguide segments (1378) for projecting optical energy into and/or out of the plane from a selected position (1382) on an-out-of-plane medium which might contain optically readable or writable information, such as a disc. Electrodes at the intersections and the electrically-controllable gratings (1372, 1373) disposed transverse of the intersections and controlled by the electrodes controllably reflect optical energy between the first waveguide segment and the second waveguide segment upon application of a controlled electric field at the electrodes.

    摘要翻译： 光束路由设备由固体材料构成，其中嵌入有沿着平面穿过固体材料的至少第一波导段（1376）的光束路由阵列结构（1370），穿过固体的第二波导段（1378） 沿着同一平面的材料并且在多个交点处遇到第一波导段，电控光栅1372,1373），横向于交叉点设置以可控地反射第一波导段和第二波导段之间的光能，以及光学反射器 1374,1375），其位于与第二波导段（1378）一致的位置上，用于将光能量从平面上的选择位置（1382）投射到和/或离开平面，该位置可能包含光学可读的 或可写信息，如光盘。 交叉点处的电极和横向于交叉点并由电极控制的电可控光栅（1372,1373）在电极处施加受控电场时可控制地反射第一波导段和第二波导段之间的光能。