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Improved optical coupling based on a concave cavity lens fabricated by optical fiber facet etching |
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| Authors: | Kanglin Li Jiangbing Du Weihong Shen Jiacheng Liu Zuyuan He |
| Abstract: | We report a low-fabrication-complexity and wideband fiber lens,which is formed by fiber facet etching and filling high refractive index UV adhesive.The optical ... |
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