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    • 2. 发明申请
    • Circular common-path point diffraction interference wavefront sensor
    • 圆形共轨点衍射干涉波前传感器
    • US20120140242A1
    • 2012-06-07
    • US13303163
    • 2011-11-23
    • Guoying FengYongzhao DuShouhuan Zhou
    • Guoying FengYongzhao DuShouhuan Zhou
    • G01B9/02
    • G01J9/02
    • A circular common-path point diffraction interference wavefront sensor includes an optical matching system, a beam-splitter, a first reflection mirror, a second reflection mirror, a first Fourier lens, a second Fourier lens, a charge-coupled device (CCD) detector, a computer system, and a two-pinhole mask having a reference pinhole and a testing window and placed at a confocal plane of the first Fourier lens and the second Fourier lens. A testing beam is divided into two beams through the beam-splitter. One beam makes the pinhole diffraction by the reference pinhole, thereby producing the approximately ideal plane wave as the reference wave. Another beam passes through the testing window almost without any attenuation as the signal wave. The spatially linear carrier frequency is introduced by adjusting the tilt angle of the beam-splitter. The present invention is adapted for all kinds of dynamic and static detection field of wavefront phase.
    • 圆形公共点衍射干涉波前传感器包括光学匹配系统,分束器,第一反射镜,第二反射镜,第一傅里叶透镜,第二付里叶透镜,电荷耦合器件(CCD)检测器 ,计算机系统和具有参考针孔和测试窗口的双针孔掩模,并且放置在第一付里叶式透镜和第二傅里叶透镜的共焦平面处。 测试梁通过分束器分成两束。 一个光束通过参考针孔产生针孔衍射,从而产生近似理想的平面波作为参考波。 另一束光束通过测试窗口几乎没有任何衰减作为信号波。 通过调整分束器的倾斜角来引入空间线性载波频率。 本发明适用于波前相的各种动态和静态检测领域。
    • 6. 发明授权
    • Circular common-path point diffraction interference wavefront sensor
    • 圆形共轨点衍射干涉波前传感器
    • US08786864B2
    • 2014-07-22
    • US13303163
    • 2011-11-23
    • Guoying FengYongzhao DuShouhuan Zhou
    • Guoying FengYongzhao DuShouhuan Zhou
    • G01B9/02
    • G01J9/02
    • A circular common-path point diffraction interference wavefront sensor includes an optical matching system, a beam-splitter, a first reflection mirror, a second reflection mirror, a first Fourier lens, a second Fourier lens, a charge-coupled device (CCD) detector, a computer system, and a two-pinhole mask having a reference pinhole and a testing window and placed at a confocal plane of the first Fourier lens and the second Fourier lens. A testing beam is divided into two beams through the beam-splitter. One beam makes the pinhole diffraction by the reference pinhole, thereby producing the approximately ideal plane wave as the reference wave. Another beam passes through the testing window almost without any attenuation as the signal wave. The spatially linear carrier frequency is introduced by adjusting the tilt angle of the beam-splitter. The present invention is adapted for all kinds of dynamic and static detection field of wavefront phase.
    • 圆形公共点衍射干涉波前传感器包括光学匹配系统,分束器,第一反射镜,第二反射镜,第一傅里叶透镜,第二付里叶透镜,电荷耦合器件(CCD)检测器 ,计算机系统和具有参考针孔和测试窗口的双针孔掩模,并且放置在第一付里叶式透镜和第二傅里叶透镜的共焦平面处。 测试梁通过分束器分成两束。 一个光束通过参考针孔产生针孔衍射,从而产生近似理想的平面波作为参考波。 另一束光束通过测试窗口几乎没有任何衰减作为信号波。 通过调整分束器的倾斜角来引入空间线性载波频率。 本发明适用于波前相的各种动态和静态检测领域。