26 October 2017 Analysis of creating an innovative micro-lens made of polydimethylsiloxane polymer on the end of the optical fibers
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Abstract
The article describes a method for fabrication of polymer optical micro-lenses using polydimethylsiloxane (PDMS) at the end of optical fibers. PDMS is an optically clear substance having a refractive index very similar to the optical fibers. Therefore it is an interesting material for optical purposes. PDMS is characterized by resistance to electromagnetic interference (EMI), enabling the use in electromagnetically noisy environments. These lenses could be used for example for the security applications. For the manufacture of the micro-lenses is used Sylgard silicone elastomer 184. When applied to the end of conventional optical fiber is cured by treatment at 100 °C ± 5 °C. Authors performed a series of experimental measurements. The optical characteristics of the treated fibers compared with conventional fibers without micro-lenses. The fibers provided with optical lenses made of PDMS may be used for security applications, in the visible light communication (VLC) or as a microprobe.
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O. Zboril, J. Cubik, J. Nedoma, M. Fajkus, M. Novak, J. Jargus, T. Stratil, V. Vasinek, "Analysis of creating an innovative micro-lens made of polydimethylsiloxane polymer on the end of the optical fibers", Proc. SPIE 10440, Optical Materials and Biomaterials in Security and Defence Systems Technology XIV, 104400L (26 October 2017); doi: 10.1117/12.2277927; https://doi.org/10.1117/12.2277927
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