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    • 6. 发明授权
    • Interferometer alignment control apparatus
    • 干涉仪对准控制装置
    • US5102214A
    • 1992-04-07
    • US456997
    • 1989-12-26
    • Kenneth L. SteeleThomas M. WirtFrancis M. ErdmannFrederick VescialWilliam T. SchmarsFrederick Aronowitz
    • Kenneth L. SteeleThomas M. WirtFrancis M. ErdmannFrederick VescialWilliam T. SchmarsFrederick Aronowitz
    • G01B7/31G01B9/02
    • G01B7/31G01B9/0205G01B9/02068
    • An alignment and path length control apparatus having a mirror housing having a base and a closed wall. The base has a mirrored external surface. The closed wall has a central axis. The closed wall is joined to the base at a base end of the closed wall by a flexible web. The closed wall extends above the base and terminates at a rim defining an aperture. The base has a central region coupled to the cylindrical wall. A post extends from the central region of the base within the cylindrical wall to a top end. A mirror axis extends from the mirrored external surface through the post. The central axis is substantially parallel to the mirror axis. An alignment transducer responds to a first alignment control signal by applying at least a first force between the post and the wall to deflect the mirror axis with respect to the central axis. A linear transducer responds to a linear displacement control signal by applying an axial force to the post to displace the central region longitudinally along the central axis.
    • 具有镜壳体的对准和路径长度控制装置具有底座和封闭壁。 底座有一个镜面外表面。 封闭的墙壁有一个中心轴线。 封闭的壁通过柔性纤维网在封闭壁的基端连接到基部。 封闭的壁在基座之上延伸并且终止于限定孔的边缘。 底座具有联接到圆柱形壁的中心区域。 柱从圆柱形壁中的基部的中心区域延伸到顶端。 反射镜轴从镜面的外表面延伸穿过柱。 中心轴基本上平行于镜像轴。 对准传感器通过在柱和壁之间施加至少一个第一力使第一对准控制信号相对于中心轴偏转反射镜轴线来响应第一对准控制信号。 线性换能器通过向柱施加轴向力以沿中心轴纵向移位中心区域来响应于线性位移控制信号。