Browsing by Author "Segura García, Daniel"
Now showing items 1-11 of 11
-
Absorption mechanisms in macroporous silicon photonic crystals
(Elsevier, 2019-01-01)
Article
Restricted access - publisher's policyWe 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
(Institute of Physics (IOP), 2018-05-14)
Article
Open AccessLarge 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 ... -
Development of gas sensors based in photonic cristal slabs
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Restricted access - publisher's policyThis work describes an innovative application of structures of photonic crystal slabs for gas sensors. Structures consisting in double ring have been studied by simulation. Their working mechanism is based in the effect ... -
Empirical demonstration of CO2 detection using macroporous silicon photonic crystals as selective thermal emitters
(2019-09-15)
Article
Restricted access - publisher's policyThis 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
(2017-07-01)
Article
Open AccessA 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) ... -
Improved transmission and thermal emission in macroporous silicon photonic crystals with 700 NM pitch
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference lecture
Open Access -
Macroporous silicon filters, a versatile platform for NDIR spectroscopic gas sensing in the MIR
(2019-07-23)
Article
Open AccessThis 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 ... -
Optical scattering in Phosphor-Converted LEDs
(Universitat Politècnica de Catalunya, 2015-05)
Master thesis (pre-Bologna period)
Restricted access - confidentiality agreement -
Photonic molecules for improving the optical response of macroporous silicon photonic crystals for gas sensing purposes
(2018-02-19)
Article
Open AccessIn 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 ... -
Study of resonant modes in a 700 nm pitch macroporous silicon photonic crystal
(2017-01-01)
Article
Open AccessIn 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 ... -
Transmission and thermal emission in the NO2 and CO absorption lines using macroporous silicon photonic crystals with 700 Nm pitch
(Scitepress, 2017)
Conference lecture
Open Access
