Real-time mode analysis of fiber-to-fiber coupling processes using the correlation filter method

被引：0
|
作者：
Flamm, Daniel [1 ]
Gelszinnis, Philipp [1 ]
Schulze, Christian [1 ]
Schroeter, Siegmund
Duparre, Michael [1 ]
机构：
[1] Univ Jena, Abbe Ctr Photon, Inst Appl Opt, D-07743 Jena, Germany
来源：
FIBER LASERS X: TECHNOLOGY, SYSTEMS, AND APPLICATIONS | 2013年 / 8601卷
关键词：
Laser beam characterization; fiber characterization; mode analysis; computer holography; metrology; MICROSTRUCTURED OPTICAL FIBERS; MULTIPOLE METHOD; BEAM-QUALITY; DECOMPOSITION; HOLOGRAMS;
D O I：
10.1117/12.2004250
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We use the correlation filter method for mode analysis and characterize a fiber coupling process modally resolved. In our experiment light is coupled from a single-mode fiber into a multi-mode fiber. During the coupling process the transverse position of the single-mode fiber towards the multi-mode fiber is varied and the actually guided mode content is measured simultaneously. This measurement process allows to maximize the power guided by the fundamental mode and, hence, to achieve most brilliant beam quality in real-time.
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页数：7
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