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    • 1. 发明申请
    • ZOOM LENS SYSTEMS WITH WAVEFRONT CODING
    • 具有波前编码的变焦镜头系统
    • WO2007103944A3
    • 2007-11-22
    • PCT/US2007063423
    • 2007-03-06
    • CDM OPTICS INCDOWSKI EDWARD RTACHIHARA SATORUCORMACK ROBERT H
    • DOWSKI EDWARD RTACHIHARA SATORUCORMACK ROBERT H
    • G02B13/00G02B15/00G02B15/04G02B27/00G02B27/46
    • G02B27/0025G02B13/12G02B15/04G02B15/14G02B27/46G02B27/52
    • Zoom lens systems and methods for imaging incoming rays over a range of ray angles are disclosed. The incoming rays are characterized by at least phase. The zoom lens system includes an optical axis and is characterized by a plurality of modulation transfer functions (MTFs) corresponding at least to the range of ray angles. The zoom lens system includes an optical group disposed along the optical axis, including at least one variable optical element that has a variable focal length selectable between at least two distinct focal length values. The optical group also includes a wavefront coding element. The wavefront coding element alters at least the phase of the incoming rays, such that the plurality of MTFs corresponding to the range of ray angles, for each one of the two distinct focal length values, are less sensitive to misfocus-like aberrations than a corresponding system without the wavefront coding element.
    • 公开了变焦透镜系统和用于在一定范围的光线角度下成像入射光线的方法。 入射光线至少具有相位特征。 变焦透镜系统包括光轴并且由多个至少对应于光线角度范围的调制传递函数(MTF)表征。 变焦透镜系统包括沿着光轴设置的光学组,其包括至少一个可变光学元件,该可变光学元件具有可在至少两个不同焦距值之间选择的可变焦距。 光学组还包括波前编码元件。 波前编码元件至少改变入射光线的相位,使得与两个不同焦距值中的每一个的光线角度范围相对应的多个MTF对类似散焦的像差的敏感性小于对应 系统没有波前编码元件。
    • 3. 发明申请
    • SATURATION OPTICS
    • 饱和光学
    • WO2007137293A3
    • 2008-03-27
    • PCT/US2007069573
    • 2007-05-23
    • CDM OPTICS INCFAN REGIS SDOWSKI EDWARD RKUBALA KENNETH S
    • FAN REGIS SDOWSKI EDWARD RKUBALA KENNETH S
    • G02B27/00G02B5/32G03H1/22
    • G02B27/0025G02B27/0081
    • An imaging system includes a detector for receiving electromagnetic energy and generating sampled data in accordance with the electromagnetic energy so received. The detector is characterized by a threshold point such that the sampled data is in one of two states: i) below threshold, when the intensity of the electromagnetic energy so received is less than the threshold point; and ii) above threshold, when the intensity of the electromagnetic energy is greater than the threshold point. The imaging system also includes saturation optics for providing a characteristic of the sampled data, wherein the characteristic of the sampled data when below threshold is different from the characteristic of the sampled data when above threshold.
    • 成像系统包括用于接收电磁能并根据如此接收的电磁能产生采样数据的检测器。 检测器的特征在于阈值点,使得采样数据处于两种状态之一:i)低于阈值时,当所接收的电磁能的强度小于阈值点时; 和ii)高于阈值时,当电磁能量的强度大于阈值点时。 成像系统还包括用于提供采样数据的特性的饱和光学器件,其中当低于阈值时采样数据的特性与上述阈值时的采样数据的特性不同。