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zhi sui z bian hua de duo mo guang xian
Author(s): 
Pages: 49-51
Year: Issue:  3
Journal: Optical Fiber & Electric Cable and Their Applications

Keyword:  多模光纤脉冲宽度折射率分布脉冲响应宽度最佳值均方根乘方依赖关系归一化指数;
Abstract: 有乘方律折射率分布的多模光纤的脉冲响应宽度与乘方律指数α值有依赖关系。对于恒定的α来说,只有在α=2-(12/5)附近的极小数值范围内,才能得到最佳脉冲宽度。本文表明,如果α沿光纤缓慢地变化,并以相等的数值平均地偏离在其(常数)最佳值的两边时,这种有非最佳α值的光纤才可得到脉冲响应的最佳宽度。
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