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.
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.
液芯光纤长光路系统主要由聚光系统和液芯光纤长光路吸收管组成。
Liquid core optical fiber long light path absorption system consists of the light gathering system and liquid core optical fiber long light path absorbing tube.
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