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    • 28. 发明授权
    • Optical waveguide and method of manufacturing same
    • 光波导及其制造方法
    • US06671446B1
    • 2003-12-30
    • US09533947
    • 2000-03-23
    • Naoki Nishida
    • Naoki Nishida
    • G02B610
    • G02B6/13
    • A plurality of top waveguides and bottom waveguides are formed on a substrate. The pitch of the light exit end of the top waveguide and the light exit end of the bottom waveguide at the light exit side of the substrate is narrower than the pitch of the light entrance end of the top waveguide and the light entrance end of the bottom waveguide at the light entrance side of the substrate. The light exit end of the waveguide on the light exit side of the substrate and the light exit end of the waveguide indicated by the dashed line are arranged as single rows forming a core row in two layers in a staggered layout. This optical waveguide produces ideally overlapping laser beam spots on the surface of a photosensitive body.
    • 多个顶部波导和底部波导形成在基板上。 顶部波导的光出射端的间距和底部波导的光出射侧的光出射端的距离比顶部波导的光入射端的间距和底部波导的光入射端窄 波导在基板的光入射侧。 基板的光出射侧的波导的光出射端和虚线所示的波导的光出射端排列为以交错布置形成两层的芯列的单列。 该光波导在感光体的表面上产生理想的重叠的激光束斑点。
    • 29. 发明授权
    • Optical waveguide channel device
    • 光波导通道器件
    • US06587629B1
    • 2003-07-01
    • US09576317
    • 2000-05-22
    • Shinji MaruyamaNaoki Nishida
    • Shinji MaruyamaNaoki Nishida
    • G02B610
    • G02B6/12004G02B6/1228G02B6/132G02B6/136G02B2006/12119G02B2006/12195
    • In an optical waveguide channel device equipped with multiple cores, the distances between cores at the entry edge must be large in order to cause a laser beam to enter each core. On the other hand, the distances at the exit edge must be small. Therefore, the core must have a curved area at which the axis is curved. Further, in order to make it easier to match the spot of the entering beam and the core, the core diameter of the optical waveguide channel device and the beam spot diameter of the entering light are made large. However, in a core having a multi-mode curved area, high-order light is easily excited at the curved area. Therefore, the curved area from the entry edge to the exit edge of each core is made to have a single mode. Consequently, exit light having an essentially Gaussian profile may be obtained.
    • 在配备有多个芯的光波导通道装置中,入射边缘处的芯之间的距离必须大,以使激光束进入每个芯。 另一方面,出口边缘处的距离必须很小。 因此,芯必须具有弯曲的区域,在该区域轴线是弯曲的。 此外,为了使入射光束和光纤的点更容易匹配,光波导通道器件的芯径和入射光的光束直径变大。 然而,在具有多模弯曲区域的芯中,在弯曲区域容易激发高阶光。 因此,从每个核心的进入边缘到出口边缘的弯曲区域被制成具有单一模式。 因此,可以获得具有基本高斯分布的出射光。