16 May 2017 Optically resilient 3D micro-optics on the tips of optical fibers
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Abstract
In this paper we present a study aimed at investigating an optical resiliency of polymers that could be applied in 3D femtosecond laser lithography. These include popular in lithography SU8 and OrmoClear as well as hybrid organic-inorganic zirconium containing SZ2080. We show that latter material in its pure (non-photosensitized) form has the best optical resiliency out of all tested materials. Furthermore, its 3D structurability is investigated. Despite threshold-like quality degradation outside fabrication window, we show that this material is suitable for creating complex 3D structures on the tips of optical fibers. Overall it is demonstrated, that unique capability of 3DLL to structure pure materials can lead to very compact functional fiber-based devices that could withstand high (GW/cm2) light intensities.
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Linas Jonušauskas, Linas Jonušauskas, } "Optically resilient 3D micro-optics on the tips of optical fibers", Proc. SPIE 10232, Micro-structured and Specialty Optical Fibres V, 102320B (16 May 2017); doi: 10.1117/12.2265761; https://doi.org/10.1117/12.2265761
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