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Fabry-Perot refractometer based on an end-of-fiber polymer tip

机译:基于纤维末端聚合物尖端的Fabry-Perot折光仪

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摘要

A micrometric Fabry-Perot refractometer based on an end-of-fiber polymer tip is proposed. The fiber tip, with a length of 36 (mu)m, was fabricated by self-guiding photopolymerization. The two-wave interferometric operation was achieved by combining the light waves generated at the interface between the single-mode fiber and the polymer tip, and at the fiber tip end (Fresnel reflection). The Fabry-Perot interferometer is coherence addressed and heterodyne interrogated, resulting into a liquid refractive index resolution of approx=7.5 X 10~(-4).
机译:提出了一种基于纤维末端聚合物尖端的法布里-珀罗折光仪。通过自导引光聚合制备长度为36μm的纤维尖端。通过组合在单模光纤和聚合物尖端之间的界面以及光纤尖端(菲涅耳反射)产生的光波,可以实现两波干涉测量。对Fabry-Perot干涉仪进行相干寻址并询问外差,得到的液体折射率分辨率约为7.5 X 10〜(-4)。

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