In order to raise the couple efficiency of pumping double cladding fiber laser, the beam is reshaped with rectangular prisms, spatial filtered and focused with aspheric lens.

为了提高双包层光纤激光器泵浦光的耦合效率，对泵浦光采用直角棱镜组进行了光束整形、空间滤波、非球面镜聚焦。

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A new refractive index sensing scheme based on the cladding modes of fiber Bragg grating (FBG) is presented.

提出了基于光纤布拉格光栅(FBG)包层模式的折射率传感方案。

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In order to improve radiation resistivity, the elements with smaller atomic number should be selected as dopants in both core and cladding of the fiber.

指出选用原子序数小的元素作光纤掺杂剂会有利于光纤抗辐照性能的提高。

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