半最大值宽度：一条曲线(例如一条点扩展函数曲线)最大值的一半的宽度。
Full width half Maximum (FWHM) : the width of a curve (for example, the PSF) at half of it's peak value.
分析了中央亮条纹的全宽度和半最大值全宽度随波导参数和传输距离的关系。
The relation between the width of central bright fringe together with full width at half maximum of central bright fringe and every waveguide parameter is analyzed.
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