Abstract
In this work, an alternative method of coupling light into microstructured polymer fibers is presented. The solution consists in using a fiber taper fabricated with a CO2 laser. The connection is formed by inserting a tapered silica tip into the holes of a microstructured polymer fiber. This alternative method is duly characterized and the feasibility of such fiber connection to enable the polymer fiber as a displacement sensor is also demonstrated.
Highlights
The interest in using polymer optical fibers (POFs) for telecommunications [1,2] and sensors [3,4,5,6]has grown in the last several years
Problems arise from the connectorization process of POFs
The microstructured POFs (MPOFs) used in this experiment is composed of poly (PMMA)
Summary
The interest in using polymer optical fibers (POFs) for telecommunications [1,2] and sensors [3,4,5,6]. The core of the POFs are usually displaced from the center of the connector [8,9], compromising the efficiency of the technique This is amplified by the concentricity of the core related to the fiber. Depending on the hole geometry, these fibers can achieve single-mode operation at all wavelengths [12]. Their single polymer composition allows for the use of low-loss materials and provides advantages in the fabrication process over standard POF and silica fibers [13,14]. A fiber taper connection method for microstructured POFs (MPOFs) using silica
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