Optical phase-front inscription over optical fiber end for flexible control of beam propagation and beam pattern in free space
作者： Jun Ki Kim , Yongmin Jung , Byeong Ha Lee , Kyunghwan Oh , Chaemin Chun
DOI: 10.1016/J.YOFTE.2007.02.003
关键词:
摘要: We report a novel compact all-fiber technique to control the beam propagation and pattern in free space. By coating an azo-polymer thin film layer on optical fiber end surface, various surface relief grating (SRG) structures were inscribed over using single step direct exposure of interference patterns form organic/inorganic composite optics shape converter. The linear concentric SRGs experimental characterized along with numerical simulations.
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