对空心光纤的结构特点做了细致的分析，采用迅衰波场的概念来解释空心光纤纤芯与空心处的传光损耗。
The paper illustrates the characteristics of hollow optical fiber in detail and uses the concept of evanescent wave to explain the beam transmission in interface of hollow and core.
岩芯及透射光显微镜观察发现，这是一种水力破裂体系中流体和岩石作用的产物—水压碎屑岩。
Observing the core with under microscope, the authors find the breccia as a kind of hydra-fracturing clastic rock forming the model of roklyfluidal dynamical.
然后对端泵入射光进行建模，研究了纤芯偏心距的优化。
Then, we study the optimization of the offset of the fiber core by simulation of the pumped light.
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