期刊
出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.precisioneng.2011.04.005
关键词
Lensed fiber; Laser transmission welding (LTW); Aspherical plastic lens; Plastic optical fiber (POF)
类别
资金
- National Science Council of the Republic of China, Taiwan [NSC 96-2221-E-110-084]
In optical communication systems which require the coupling of the light source to the fiber, efficient coupling can be practically realized either using a separate lens or by direct formation of the lens at the fiber end. A novel lensed plastic optical fiber (LPOF) is presented with efficient coupling of the plastic optical fibers with a light source. An aspherical plastic lens was bound with a flattened plastic fiber end by laser transmission welding (LTW) to form an aspherical fiber endface which can provide better coupling efficiency than a spherical fiberface. An analysis demonstrates that LTW can offer strong welding with small heat affected zones that are appropriate for commercial use. In this study a useful method for manufacturing lensed-end fibers is developed and demonstrated experimentally. (C) 2011 Elsevier Inc. All rights reserved.
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