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Pulsed laser deposition of functionalized glasses

AutorGonzalo, J.
Fecha de publicación28-sep-2017
CitaciónX International Conference on Surfaces, Materials and Vacuum (2017)
ResumenThe spread use of photonic devices requires the combination of multiple optical active components such as switches, lasers or amplifiers, on a common planar substrate at a reduced cost and presenting low power consumption, while maintaining their compatibility with the current fiber technology. The excellent optical properties and ease of preparation of glasses makes them promising materials to achieve that goal. However, their application requires first the fabrication of high quality micron-thick thin films with good optical performance. This presentation will show that Pulsed Laser Deposition (PLD) is very attractive for this purpose. We will review our activity on the fabrication of metastable complex oxide film glasses and their nanostructuration through the incorporation of rare earth (RE) ions as functionalizing elements. We will show first how a fine tuning of the deposition parameters allows the synthesis of good quality transparent heavy metal oxide film glasses with unconventional structure and a composition well outside the bulk glass formation region, which may present a nonlinear refractive index up to 103 times larger than that of fused silica. Then, we will present an overview of the capability of alternate-PLD for the synthesis of nanostructured film glasses with a controlled RE concentration and a pre-designed in-depth distribution. This opens a broad range of material function and design possibilities, since the optical and photoluminescent properties of the produced nanostructures can be tailored at the nanoscale.
DescripciónConferencia plenaria: -- Juarez, Chihuahua, México, September 25-29, 2017. -- https://www.smctsm.org.mx/X_ICSMV/
URIhttp://hdl.handle.net/10261/168022
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