光纤布拉格光栅
磷
材料科学
长周期光纤光栅
包层(金属加工)
光学
光子晶体光纤
保偏光纤
塑料光纤
包塑石英纤维
渐变折射率纤维
全硅纤维
模式音量
光纤激光器
包层模式
硬包层石英光纤
光纤
光电子学
光纤传感器
物理
复合材料
作者
rer. nat. Thomas,J. Ulrich
摘要
Ultra short pulse lasers are increasingly employed for fiber grating inscription. They allow for the realization of very resilient gratings in non photo sensitive fibers, in particular rare earth doped fibers. With this approach fiber gratings can be inscribed largely independent of the fiber geometry: Large cross-section fiber Bragg gratings can be realized, which cover the whole core of a fiber and its surrounding cladding as well as highly localized FBG which only affect a small part of the core. This thesis explores the resulting possibilities for tailoring the spectral response of few and multi-mode fiber gratings as well as coupling to cladding modes.
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