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中文摘要：
基于不同光纤结构产生无衍射光束的器件是一种集成整合的光学器件，其转换率高，简单易行，无需准直调节即可直接产生无衍射贝塞尔（Bessel）光束．文中介绍3种基于光纤产生贝塞尔光束的新技术，即单模一多模光纤激发LP0，n模产生贝塞尔光束、光纤光栅激发LP0，n模产生贝塞尔光束，以及光纤端面熔接聚合物透镜产生贝塞尔光束，并分析它们的优缺点和适用范围．
英文摘要：
The Bessel beam generator based on different fiber structure is a kind of compact optical device. It＇s efficient, simple, practicable and requiring no alignment to generate Bessel beam directly. This paper reports the three different new methods on Bessel beam generator based on optical fiber： generating Bessel beams via exciting LP0,, modes with a multimode （MM） fiber onto single-mode （SM） fiber, generating Bessel beams via exciting LP0,n modes with a long period fiber grating, and generating Bessel beams via optical fiber splicing a polymer lens. We analyze the advantages and disad- vantages of these generating methods and proposed the scope of their applications.
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