This problem is eradicated with the Iris VariableAperture Collimator described by Gernot Echner and colleagues .
Gernot Echner及其同事所描述的鸢尾花型可变孔径准直器可彻底解决这个问题。
2
This paper discusses a method of continuous variableaperture(CVAFF)to measure the mode-field diameter(MFD)in single-mode fibers.
本文讨论一种用于单模光纤模场测量的连续变孔径方法。
3
A full description of the variableaperture collimator, which makes it easier to switch field size during CyberKnife procedures, is published in Physics in Medicine & Biology.