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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Rey-García, Francisco
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Publications (9/9 displayed)
- 2018Microstructural characterization and tribological behavior of Laser Furnace processed ceramic tilescitations
- 2017Shifting Lu2SiO5 crystal to eutectic structure by laser floating zonecitations
- 2017Laser Zone Melting and microstructure of waveguide coatings obtained on soda‐lime glasscitations
- 2016Laser treatment of nanoparticulated metal thin films for ceramic tile decoration
- 2014Metallic coatings obtained by Pulsed Laser Deposition through a dynamic prism system
- 2014Effect of Laser Treatments on the Microstructure and Physical Properties of Bi-2212 and Gd-123 Bulk Samples
- 2013Planar Step-Index Waveguides Obtained via Sol-Gel Synthesis from Organometallic Precursorscitations
- 2012Structural and optical characterization of ZrO2:CeO2 slab waveguides obtained via Sol-Gelcitations
- 2011Sol-gel coatings: an alternative route for producing planar optical waveguidescitations
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article
Sol-gel coatings: an alternative route for producing planar optical waveguides
Abstract
Inorganic and hybrid planar waveguides with different compositions (silica–titania, methacrylate–silica–cerium oxide, zirconia–cerium oxide and silica–zirconia) have been obtained by sol–gel synthesis followed by dip-coating. Soda-lime glass slides and conventional commercial window glass were used as substrates. The thickness and refractive index of the coatings were determined by profilometry and Spectroscopic Ellipsometry. Waveguide efficiency was measured at ca. 70.8% with a He–Ne laser beam, coupled with an optical microscope objective into and out of the waveguiding layer via a double prism configuration. Thicknesses between 150 and 2000 nm, along with refractive index values ranging between 1.45 and ~ 1.99 (λ = 633 nm) were obtained depending on the sol composition and the dip-coating conditions. This wide range of values allows designing multilayered guides that can be used in a variety of applications.