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    • 2. 发明申请
    • Laser beam profile measurement
    • 激光束剖面测量
    • US20120314210A1
    • 2012-12-13
    • US12932933
    • 2011-03-02
    • Peter L. Wick, JR.
    • Peter L. Wick, JR.
    • G01J1/42
    • G01J1/4257G01J2001/4261
    • A method for characterizing a laser beam profile is provided. The method includes disposing a laser target, moving the surface of the target, directing a laser to emit the beam at the surface, measuring a reflection from the surface as intensities, and averaging the intensities. The target's surface is disposed substantially perpendicular to an incident direction. The surface is reflective at a wavelength corresponding to the laser beam. The travel direction is substantially parallel to the surface. The laser beam travels along said incident direction to the surface. The reflection represents a plurality of intensities having a distribution of positions along the surface and during a temporal interval. The intensities are averaged over the temporal interval for each position of the distribution to produce an analyzed beam profile. Each position corresponds to a speed along the travel direction based on movement of the surface. The surface can be preferably spun along an axis substantially parallel to the incident beam.
    • 提供了表征激光束轮廓的方法。 该方法包括设置激光靶,移动靶的表面,引导激光器在表面发射光束,测量表面的反射强度,并对强度求平均值。 目标表面基本上垂直于入射方向设置。 表面在对应于激光束的波长处是反射的。 行进方向基本上平行于表面。 激光束沿着入射方向行进到表面。 反射表示具有沿着表面的位置分布和在时间间隔期间的多个强度。 在分布的每个位置的时间间隔上对强度进行平均以产生分析的波束分布。 每个位置对应于基于表面移动的行进方向的速度。 该表面可以优选地沿着基本上平行于入射光束的轴线旋转。
    • 3. 发明授权
    • Laser beam profile measurement
    • 激光束剖面测量
    • US08441625B2
    • 2013-05-14
    • US12932933
    • 2011-03-02
    • Peter L. Wick, Jr.
    • Peter L. Wick, Jr.
    • G01J1/00
    • G01J1/4257G01J2001/4261
    • A method for characterizing a laser beam profile is provided. The method includes disposing a laser target, moving the surface of the target, directing a laser to emit the beam at the surface, measuring a reflection from the surface as intensities, and averaging the intensities. The target's surface is disposed substantially perpendicular to an incident direction. The surface is reflective at a wavelength corresponding to the laser beam. The travel direction is substantially parallel to the surface. The laser beam travels along said incident direction to the surface. The reflection represents a plurality of intensities having a distribution of positions along the surface and during a temporal interval. The intensities are averaged over the temporal interval for each position of the distribution to produce an analyzed beam profile. Each position corresponds to a speed along the travel direction based on movement of the surface. The surface can be preferably spun along an axis substantially parallel to the incident beam.
    • 提供了表征激光束轮廓的方法。 该方法包括设置激光靶,移动靶的表面,引导激光器在表面发射光束,测量表面的反射强度,并对强度求平均值。 目标表面基本上垂直于入射方向设置。 表面在对应于激光束的波长处是反射的。 行进方向基本上平行于表面。 激光束沿着入射方向行进到表面。 反射表示具有沿着表面的位置分布和在时间间隔期间的多个强度。 在分布的每个位置的时间间隔上对强度进行平均以产生分析的波束分布。 每个位置对应于基于表面移动的行进方向的速度。 该表面可以优选地沿着基本上平行于入射光束的轴线旋转。