Exploració per autor "Cardador Maza, David"
Ara es mostren els items 1-17 de 17
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Absorption mechanisms in macroporous silicon photonic crystals
Segura García, Daniel; Cardador Maza, David; Rodríguez Martínez, Ángel; Llorca Piqué, Jordi (Elsevier, 2019-01-01)
Article
Accés obertWe investigate the large differences classically found in literature between theoretical and empirical results in the optical characterization of macroporous silicon photonic crystals. Mainly, we study the impact of two ... -
Bandgap widening in macroporous silicon photonic crystals by multiperiodic structures
Segura García, Daniel; Cardador Maza, David; Vega d'Aurelio, Davide; Santos Blanco, M. Concepción; Dios Otín, Víctor Federico; Rodríguez Martínez, Ángel (Institute of Physics (IOP), 2018-05-14)
Article
Accés obertLarge bandgaps with low transmission in 3D macroporous silicon photonic crystals have been proved as an interesting technology for the development of optical filters and spectroscopic MIR gas sensors. The aim of this study ... -
Controlling Plateau-Rayleigh instabilities during the reorganization of silicon macropores in the Silicon Millefeuille process
Garin Escriva, Moises; Jin, Chen; Cardador Maza, David; Trifonov, T.; Alcubilla González, Ramón (Macmillan Publishers, 2017-08-03)
Article
Accés obertThe reorganization through high-temperature annealing of closely-packed pore arrays can be exploited to create ultra-thin (<20 µm) monocrystalline silicon layers that can work as cheap and flexible substrates for both the ... -
Empirical demonstration of CO2 detection using macroporous silicon photonic crystals as selective thermal emitters
Cardador Maza, David; Segura García, Daniel; Deriziotis, Ioannis; Garin Escriva, Moises; Llorca Piqué, Jordi; Rodríguez Martínez, Ángel (2019-09-15)
Article
Accés obertThis study describes the detection of CO2 using macroporous silicon photonic crystals as thermal emitters. It demonstrates that the reduction of structural nonhomogeneities leads to an improvement of the photonic crystals’ ... -
Enhanced geometries of macroporous silicon photonic crystals for optical gas sensing applications
Cardador Maza, David; Vega d'Aurelio, Davide; Segura García, Daniel; Todorov Trifonov, Trifon; Rodriguez, Albert (2017-07-01)
Article
Accés obertA macroporous silicon photonic crystal is designed and optimized theoretically for its use in gas sensing applications and IR optical filters. Light impinges perpendicularly onto the sample surface (vertical propagation) ... -
Impact of the absorption in transmittance and reflectance on macroporous silicon photonic crystals
Cardador Maza, David; Vega Bru, Didac; Rodríguez Martínez, Ángel (Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés obertThe characteristics of reflection and transmission peaks in the spectra of photonic crystals have been studied theoretically and the results compared to measurements performed in fabricated samples. The aim of this work ... -
Improved transmission and thermal emission in macroporous silicon photonic crystals with 700 NM pitch
Cardador Maza, David; Vega Bru, Didac; Segura García, Daniel; Rodríguez Martínez, Ángel (Institute of Electrical and Electronics Engineers (IEEE), 2017)
Comunicació de congrés
Accés obert -
Infrared optical filters based in macroporous silicon for espectroscopic gas detection
Cardador Maza, David (Universitat Politècnica de Catalunya, 2019-12-19)
Tesi
Accés obertGas detection is of great importance in areas as diverse as industry, health or safety in domestic environments or public spaces, among others, and it is highly specific to each application. The detection method depends ... -
Macroporous silicon filters, a versatile platform for NDIR spectroscopic gas sensing in the MIR
Cardador Maza, David; Segura García, Daniel; Deriziotis, Ioannis; Rodríguez Martínez, Ángel; Llorca Piqué, Jordi (2019-07-23)
Article
Accés obertThis paper describes the spectroscopic detection of gases using macroporous silicon photonic crystals as narrow filters. The study begins by demonstrating the feasibility of photoelectrochemical etching to fabricate narrow ... -
Modelado y simulación del proceso de multiplicación de obleas 'silicon millefeuille'
Cardador Maza, David (Universitat Politècnica de Catalunya, 2014-09-12)
Projecte Final de Màster Oficial
Accés restringit per acord de confidencialitat[ANGLÈS] There is a rising interest, from both photovoltaics and microelectronics industry, in reducing the thickness of the silicon wafers. During the last decade, it has been steadily reduced from 350 ?m down to 180 ?m, ... -
Photonic molecules for improving the optical response of macroporous silicon photonic crystals for gas sensing purposes
Cardador Maza, David; Segura García, Daniel; Rodríguez Martínez, Ángel (2018-02-19)
Article
Accés obertIn this paper, we report the benefits of working with photonic molecules in macroporous silicon photonic crystals. In particular, we theoretically and experimentally demonstrate that the optical properties of a resonant ... -
Single-Step multiple-layers wafer slicing from macroporous silicon
Garin Escriva, Moises; Hernández García, David; Todorov Trifonov, Trifon; Cardador Maza, David; Alcubilla González, Ramón (2013)
Text en actes de congrés
Accés obertThere is a rising interest, from both photovoltaics and microelectronics industry, in wafer thickness reduction. During the last decade, it has been steadily reduced from 350 µm to 180 µm, but benefits are foreseen for ... -
Study of resonant modes in a 700 nm pitch macroporous silicon photonic crystal
Cardador Maza, David; Vega Bru, Didac; Segura García, Daniel; Rodríguez Martínez, Ángel (2017-01-01)
Article
Accés obertIn this study the modes produced by a defect inserted in a macroporous silicon (MP) photonic crystal (PC) have been studied theoretical and experimentally. In particular, the transmitted and reflected spectra have been ... -
The effect of absorption losses on the optical behaviour of macroporous silicon photonic crystal selective filters
Vega Bru, Didac; Cardador Maza, David; Todorov Trifonov, Trifon; Garin Escriva, Moises; Rodríguez Martínez, Ángel (2016-02-15)
Article
Accés obertThe effect of losses in photonic crystal structures on transmittance and reflectance has been studied by numerical techniques, and compared to fabricated macroporous silicon samples. Material absorption and tolerances of ... -
Transmission and thermal emission in the NO2 and CO absorption lines using macroporous silicon photonic crystals with 700 Nm pitch
Cardador Maza, David; Segura García, Daniel; Vega Bru, Didac; Rodríguez Martínez, Ángel (Scitepress, 2017)
Comunicació de congrés
Accés obert -
Variación de la frecuencia de trabajo en un cristal fotónico basado en silicio macroporoso al variar la longitud del defecto
Cardador Maza, David; Vega Bru, Didac; Rodríguez Martínez, Ángel (2015)
Text en actes de congrés
Accés obertEn este trabajo se ha estudiado la relación existente entre la frecuencia de trabajo de un cristal fotónico con defecto y el tamaño de dicho defecto. Las simulaciones indican una dependencia lineal entre ambas, a la vez ... -
Variation of the defect central frequency due to morphological changes in macroporoues silicon photonic crystals
Cardador Maza, David; Vega, Didac; Rodríguez Martínez, Ángel (2015)
Comunicació de congrés
Accés restringit per política de l'editorial