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    • 5. 发明申请
    • COLD ATOM MICRO PRIMARY STANDARD
    • 冷门微型主要标准
    • US20100033256A1
    • 2010-02-11
    • US12484899
    • 2009-06-15
    • Jennifer S. StrableyDaniel W. YoungnerLisa M. LustThomas OhnsteinBernard Fritz
    • Jennifer S. StrableyDaniel W. YoungnerLisa M. LustThomas OhnsteinBernard Fritz
    • H03L7/26H03B17/00
    • G04F5/14
    • An atomic clock having a physics package that includes a vacuum chamber cavity that holds atoms of Rb-87 under high vacuum conditions, an optical bench having a single laser light source, a local oscillator, a plurality of magnetic field coils, an antenna, at least one photo-detector and integrated control electronics. The single laser light source has a fold-retro-reflected design to create three retro-reflected optical beams that cross at 90° angles relative to one another in the vacuum chamber cavity. This design allows the single laser light source to make the required six trapping beams needed to trap and cool the atoms of Rb-87. The foregoing design makes possible atomic clocks having reduced size and power consumption and capable of maintaining an ultra-high vacuum without active pumping.
    • 具有物理封装的原子钟包括在高真空条件下保存Rb-87原子的真空室腔,具有单个激光光源,本地振荡器,多个磁场线圈,天线的光学台 至少一个光电检测器和集成控制电子元件。 单个激光光源具有折射反射设计,以在真空室腔中产生相对于彼此以90度角交叉的三个反射光束。 该设计允许单个激光光源产生所需的六个俘获光束,以捕获和冷却Rb-87的原子。 上述设计使得可能的原子钟具有减小的尺寸和功率消耗,并且能够在没有主动泵送的情况下保持超高真空。
    • 6. 发明授权
    • Cold atom micro primary standard
    • 冷原子微小标准
    • US07944317B2
    • 2011-05-17
    • US12484899
    • 2009-06-15
    • Jennifer S. StrableyDaniel W. YoungnerLisa M. LustThomas OhnsteinBernard Fritz
    • Jennifer S. StrableyDaniel W. YoungnerLisa M. LustThomas OhnsteinBernard Fritz
    • H03L7/26
    • G04F5/14
    • An atomic clock having a physics package that includes a vacuum chamber cavity that holds atoms of Rb-87 under high vacuum conditions, an optical bench having a single laser light source, a local oscillator, a plurality of magnetic field coils, an antenna, at least one photo-detector and integrated control electronics. The single laser light source has a fold-retro-reflected design to create three retro-reflected optical beams that cross at 90° angles relative to one another in the vacuum chamber cavity. This design allows the single laser light source to make the required six trapping beams needed to trap and cool the atoms of Rb-87. The foregoing design makes possible atomic clocks having reduced size and power consumption and capable of maintaining an ultra-high vacuum without active pumping.
    • 具有物理封装的原子钟包括在高真空条件下保存Rb-87原子的真空室腔,具有单个激光光源,本地振荡器,多个磁场线圈,天线的光学台 至少一个光电检测器和集成控制电子元件。 单个激光光源具有折射反射设计,以在真空室腔中产生相对于彼此以90度角交叉的三个反射光束。 该设计允许单个激光光源产生所需的六个俘获光束,以捕获和冷却Rb-87的原子。 上述设计使得可能的原子钟具有减小的尺寸和功率消耗,并且能够在没有主动泵送的情况下保持超高真空。
    • 10. 发明申请
    • Cytometer having telecentric optics
    • 血细胞计数器具有远心光学
    • US20060066840A1
    • 2006-03-30
    • US10953197
    • 2004-09-28
    • Bernard Fritz
    • Bernard Fritz
    • G01J1/00
    • G01N15/1459G01N2015/1452
    • A mechanism for moving and positioning a light source so that its light impinges a target as it moves on or off axis of an optical system. A detector may receive scattered light at a same position whether the light impinging the target is on or off axis due to, for example, a telecentric optical system. Further, the light may be positioned so that the detector is maximally impinged with scattered light. An output may go to a processor that sends a signal to the light source to move the emitted light so as to continually impinge the target as it moves on or off axis. An array of light sources may used in lieu of the moving light source. To move the light beam, another light at another position in the array may be selected to replace a previously selected light source.
    • 一种用于移动和定位光源的机构,使得当光线在光学系统的移动或离开轴线时它的光线撞击目标。 由于例如远心光学系统,检测器可以在相同位置处接收散射光,不论射入目标的光是否在轴上。 此外,光可以被定位成使得检测器被最大程度地与散射光撞击。 输出可以转到处理器,该处理器向光源发送信号以移动发射的光,以便当目标在轴上移动时不断地撞击目标。 可以使用光源阵列代替移动光源。 为了移动光束,可以选择阵列中另一位置处的另一个光以替代先前选择的光源。