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28 April 2006 Influence of the physico-chemical and photonic parameters on mechanical and optical properties of end-of-fiber polymer tips
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Abstract
A flexible method of manufacturing polymer microlenses at the extremity of both single mode and multimode optical fibers has been previously developed. The procedure consists in depositing a drop of liquid photopolymerizable formulation on the cleaved fiber end and using the light emerging from the fiber to induce polymerization leading to the formation of a polymer tip. This process is highly interesting for applications in optical fiber connecting and SNOM imaging since it is fast, highly flexible (curvature radius can range from 0.2 to 100 μm) and does not require expensive equipment. Although the fabrication process leads to well-controlled geometrical structures, the mechanism of the polymer tip formation was not fully elucidated. In this work, we particularly focus on the photoinduced physico-chemical processes that occur during the lens formation. The effect of different parameters (irradiation time, light power, received energy, oxygen...) on the final properties of polymer tip (mechanical resistance, curvature diameter) was studied. The building up of the polymer tip was characterized by optical microscopy. This study allowed selecting the synthesis parameters leading to an improvement in the mechanical and optical properties of the polymer tip. From a fundamental point of view, this study appeared to be an interesting means to investigate the photostructuration of polymers at the micro- and nanoscales.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Safi Jradi, Olivier Soppera, Christiane Carré, Daniel J. Lougnot, Renaud Bachelot, and Pascal Royer "Influence of the physico-chemical and photonic parameters on mechanical and optical properties of end-of-fiber polymer tips", Proc. SPIE 6188, Optical Micro- and Nanometrology in Microsystems Technology, 61880Y (28 April 2006); https://doi.org/10.1117/12.662719
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