Two methods and devices which are changeable aperture and movable aperture for measuring the mode-field radius of single-mode optical fibers are presented.
介绍两种快速测量单模光纤模场半径的方法及其测量装置——可变孔径法和移动圆孔法；
The ion storage devices are connected in series such that an ion transport aperture of the first ion storage device is in communication with an ion transport aperture of the second ion storage device.
以及在第二排出时间周期内将离子从所述第二离子存储设备中排出至第二质谱分析设备，以在第二分析时间周期内进行分析；
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