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    • 41. 发明授权
    • Laser module with sealed package containing limited optical components
    • 具有密封包装的激光模块,包含有限的光学元件
    • US07296939B2
    • 2007-11-20
    • US11188648
    • 2005-07-26
    • Shinichiro SonodaKazuhiko NaganoHideo Miura
    • Shinichiro SonodaKazuhiko NaganoHideo Miura
    • G02B6/36
    • G02B6/4204G02B6/4248
    • A laser module includes: one or more semiconductor laser elements which emit one or more divergent laser beams; one or more collimator lenses which collimate the one or more divergent laser beams; a condensing lens which condenses the one or more collimated laser beams, and make the one or more collimated laser beams converge at a convergence position; an optical fiber which is arranged in such a manner that the convergence position is located on the light-entrance end face; and a package which contains the one or more semiconductor laser elements and the one or more collimator lenses, does not contain the condensing lens and the light-entrance end face, and is hermetically sealed.
    • 激光模块包括:发射一个或多个发散激光束的一个或多个半导体激光元件; 一个或多个准直透镜,其准直一个或多个发散激光束; 聚光透镜,其使所述一个或多个准直激光束聚光,并使所述一个或多个准直激光束会聚在会聚位置; 光纤,其以会聚位置位于光入射端面上的方式配置; 以及包含所述一个以上的半导体激光元件和所述一个以上的准直透镜的封装,不包含所述聚光透镜和所述光入射端面,并且被密封。
    • 43. 发明授权
    • Laser module with sealed packages having reduced total volume
    • 具有密封包装的激光模块,总体积减小
    • US07226222B2
    • 2007-06-05
    • US11197592
    • 2005-08-05
    • Kazuhiko NaganoHideo MiuraShinichiro Sonoda
    • Kazuhiko NaganoHideo MiuraShinichiro Sonoda
    • G02B6/36
    • G02B6/4248G02B6/3897G02B6/4249G02B6/4292
    • In a laser module in which laser beams emitted from semiconductor laser elements are collimated by collimator lenses, and condensed by an optical condensing system so that the laser beams converge at a light-entrance end face of an optical fiber. The semiconductor laser elements and the collimator lenses are contained in a hermetically sealed, first package which includes a front wall having a window arranged for passage of the laser beams, and a portion of the optical condensing system and the light-entrance end face are contained in a hermetically sealed, second package which is fixed to the front wall. The cross section of the second package perpendicular to the optical axis of the optical fiber at the light-entrance end face is smaller than the cross section of the first package parallel to the cross section of the second package.
    • 在从半导体激光元件射出的激光束通过准直透镜准直的激光模块中,通过光聚光系统进行聚光,使得激光束会聚在光纤的光入射端面。 半导体激光元件和准直透镜被包含在气密密封的第一封装中,该封装包括具有布置成用于激光束通过的窗口的前壁,并且包含光聚光系统和光入射端面的一部分 在密封的第二包装中,其被固定到前壁。 在光入射端面处垂直于光纤的光轴的第二封装的横截面小于与第二封装的横截面平行的第一封装的横截面。