Direct laser writing of microoptical structures using a Ge-containing hybrid material |
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Authors: | Mangirdas Malinauskas Arūnė Gaidukevičiūtė Vytautas Purlys Albertas Žukauskas Ioanna Sakellari Elmina Kabouraki Alessandro Candiani David Gray Stavros Pissadakis Roaldas Gadonas Algis Piskarskas Costas Fotakis Maria Vamvakaki Maria Farsari |
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Affiliation: | 1. Laser Research Center, Department of Quantum Electronics, Physics Faculty, Vilnius University, Saul?tekio Ave. 9, LT-10222 Vilnius, Lithuania;2. Institute of Electronic Structure and Laser, Foundation for Research and Technology Hellas, N. Plastira 100, GR-70013 Heraklion, Crete, Greece;3. Department of Materials Science and Technology, University of Crete, 2208, GR-71003 Heraklion, Crete, Greece |
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Abstract: | We present our investigations into the direct laser writing of a novel germanium-containing hybrid sol–gel photosensitive material for optical applications at micro scale. We employ this material in the fabrication of photonic micro-structures, such as aspheric lenses and prisms; these are well-shaped and provided good optical performance. The material exhibits good transparency and structurability, and three-dimensional structures with sub-100 nm resolution are achieved. We demonstrate the suitability of the direct laser writing method for the rapid production of custom shaped microoptical components. Since germanium glasses are widely used in fiber optics, the combination of direct laser writing with this specially designed, functional material opens an interesting way in fabricating structures for controlling light flow. |
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