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Listar por autor "Anza Hormigo, Sergio"

Mostrando ítems 1-16 de 16

Analysis of Multipactor RF Breakdown in a Waveguide Containing a Transversely Magnetized Ferrite

Gonzalez Iglesias, Daniel; Gomez, Alvaro; Gimeno Martinez, Benito; Fernández, o.; Vegas, A.; Casas, Fernando; Anza Hormigo, Sergio; Vicente Quiles, Carlos Pascual; Gil Raga, Jordi; Mata Sanz, Rafael; Montero, Isabel; Boria Esbert, Vicente Enrique; Raboso García-Baquero, David (Institute of Electrical and Electronics Engineers (IEEE), 2016-12)

In this paper, the multipactor RF breakdown in a parallel-plate waveguide partially filled with a ferrite slab magnetized normal to the metallic plates is studied. An external magnetic field is applied along the vertical ...
Analysis of the multipactor effect in circular waveguides excited by two orthogonal polarization waves

Pérez Pastor, Antonio María; Gimeno Martinez, Benito; Boria Esbert, Vicente Enrique; Anza Hormigo, Sergio; Vicente Quiles, Carlos Pascual; Gil Raga, Jordi (American Institute of Physics (AIP), 2014-08)

Circular waveguides, either employed as resonant cavities or as irises connecting adjacent guides, are widely present in many passive components used in different applications (i.e., particle accelerators and satellite ...
Long-term multipactor discharge in multicarrier systems

Anza Hormigo, Sergio; Vicente Quiles, Carlos Pascual; Gimeno Martinez, Benito; Boria Esbert, Vicente Enrique; Armendariz, J. (American Institute of Physics, 2007)

[EN] A new mechanism of long-term multipactor in multicarrier systems is studied employing both analytical and numerical methods. In particular, the investigation is focused on the impact that a realistic secondary emission ...
Multimodal Characterization of the Multipactor Effect in Microwave Waveguide Components

Jimenez, Manuel; Gimeno Martinez, Benito; Raboso García-Baquero, David; Anza Hormigo, Sergio; Alvarez Melcon, Alejandro; Quesada Pereira, Fernando Daniel; Boria Esbert, Vicente Enrique; Vicente Quiles, Carlos Pascual; Gil Raga, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2012-02)

Multipactor effect is a resonant avalanche of secondary electrons induced by an RF electromagnetic field, which endangers high-power payloads on satellites and particle accelerator structures. The main goal of this letter ...
Multipactor analysis in circular waveguides

Pérez Pastor, Antonio María; Boria Esbert, Vicente Enrique; Gimeno, B.; Anza, S.; Vicente, C.; Gil, J. (Taylor & Francis, 2009)

[EN] This paper mainly focuses on demonstrating that a multipactor discharge can occur within a circular waveguide operating under the fundamental TE11 circular mode. Circular waveguides are widely used in the fabrication ...
Multipactor Effect Characterization of Dielectric Materials for Space Applications

Vague Cardona, José Joaquín; Melgarejo-Lermas, Juan Carlos; Guglielmi, Marco; Boria Esbert, Vicente Enrique; Anza Hormigo, Sergio; Vicente Quiles, Carlos Pascual; Moreno Cambroreno, María del Rocío; Taroncher Calduch, Mariam; Gimeno Martínez, Benito; Raboso García-Baquero, David (Institute of Electrical and Electronics Engineers, 2018-08)

[EN] The objective of this paper is to advance the state of the art in the characterization of the multipactor effect in dielectric materials. The materials studied are the most commonly used dielectrics in space applications, ...
Multipactor in a Coaxial Line Under the Presence of an Axial DC Magnetic Field

Gonzalez Iglesias, Daniel; Pérez Pastor, Antonio María; Anza Hormigo, Sergio; Vague Cardona, José Joaquín; Gimeno Martinez, Benito; Boria Esbert, Vicente Enrique; Raboso García-Baquero, David; Vicente Quiles, Carlos Pascual; Gil Raga, Jordi; Caspers, F.; Conde, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2012-05)

The main goal of this letter is the analysis of the multipactor effect within a coaxial waveguide structure when an external axial dc magnetic field is applied. We have designed and manufactured a coaxial waveguide sample ...
Multipactor in Multicarrier Systems. Theory and Prediction

Anza Hormigo, Sergio (Universitat Politècnica de València, 2014-07-14)

This work presents a new theoretical framework and prediction tool for multipactor in multi-carrier systems. This is of capital importance for satellite communication applications, which demand for higher number of ...
Multipactor mitigation in coaxial lines by means of permanent magnets

Gonzalez Iglesias, Daniel; Pérez Pastor, Antonio María; Anza Hormigo, Sergio; Vague Cardona, José Joaquín; Gimeno Martinez, Benito; Boria Esbert, Vicente Enrique; Raboso García-Baquero, David; Vicente Quiles, Carlos Pascual; Gil Raga, Jordi; Caspers, Fritz; Conde, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2014-12)

The main aim of this paper is the analysis of the feasibility of employing permanent magnets for the multipactor mitigation in a coaxial waveguide. First, the study of a coaxial line immersed in a uniform axial magnetic ...
Multipactor radiation analysis within a waveguide region based on a frequency-domain representation of the dynamics of charged particles

Gimeno, B.; Sorolla, E.; Anza, S.; Vicente, C.; Gil, J.; Pérez, A. M.; Boria Esbert, Vicente Enrique; Pérez, F. J.; Quesada, F.; Álvarez, A.; Raboso, D. (American Physical Society, 2009-04)

[EN] A technique for the accurate computation of the electromagnetic fields radiated by a charged particle moving within a parallel-plate waveguide is presented. Based on a transformation of the time-varying current density ...
Multipactor susceptibility charts for ridge and multiridge waveguides

Gonzalez Iglesias, Daniel; Soto Pacheco, Pablo; Anza Hormigo, Sergio; Gimeno Martinez, Benito; Boria Esbert, Vicente Enrique; Vicente Quiles, Carlos Pascual; Gil Raga, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2012-12)

The aim of this paper is to study the multipactor radio-frequency breakdown voltage in several ridge and multiridge waveguide configurations. First, multipactor susceptibility charts for several types of ridged waveguides ...
Multipactor theory for multicarrier signals

Anza Hormigo, Sergio; Mattes, Michael; Vicente Quiles, Carlos Pascual; Gil Raga, Jordi; Raboso García-Baquero, David; Boria Esbert, Vicente Enrique; Gimeno Martinez, Benito (American Institute of Physics (AIP), 2011-03)

This work presents a new theory of multipactor under multicarrier signals for parallel-plate geometries, assuming a homogeneous electric field and one-dimensional electron motion. It is the generalization of the nonstationary ...
Nonstationary statistical theory for multipactor

Anza, S.; Vicente, C.; Gil, J.; Boria Esbert, Vicente Enrique; Gimeno, B.; Raboso, D. (American Institute of Physics, 2010-06)

[EN] This work presents a new and general approach to the real dynamics of the multipactor process: the nonstationary statistical multipactor theory. The nonstationary theory removes the stationarity assumption of the ...
Novel Prediction Methods of Multicarrier Multipactor for Space Industry Standards

Anza, Sergio; Puech, Jerome; Raboso, David; Wochner, Ulrich; Mader, Philippe; Koch, Olivier; Angevain, Jean-Christophe; Hong, Un-Pyo; Magnusson, Per; Montero, Isabel; Belhaj, Mohamed; Petit, John; Gil, Jordi; Vicente, Carlos; Boria Esbert, Vicente Enrique (Institute of Electrical and Electronics Engineers, 2022-01)

[EN] Multipactor prediction methods are of high relevance for the space industry in order to prevent its appearance during the design phase of RF high-power components. Up to the present time, prediction for multicarrier ...
Prediction of multipactor breakdown for multicarrier applications: the quasi-stationary method

Anza Hormigo, Sergio; Vicente Quiles, Carlos Pascual; Gil Raga, Jordi; Mattes, Michael; Wolk, Dieter; Wochner, Ulrich; Boria Esbert, Vicente Enrique; Gimeno Martinez, Benito; Raboso García-Baquero, David (Institute of Electrical and Electronics Engineers (IEEE), 2012-07)

A new prediction algorithm for multipactor breakdown determination in multicarrier signals is presented. This new algorithm assumes a quasi-stationary (QS) model based on the nonstationary theory for single-carrier signals. ...
Prediction of multipactor breakdown thresholds in coaxial transmission lines for traveling, standing and mixed waves

Pérez, Antonio M.; Tienda, Carolina; Vicente, Carlos; Anza Hormigo, Sergio; Gil, Jordi; Gimeno, Benito; Boria Esbert, Vicente Enrique; Raboso García-Baquero, David (Institute of Electrical and Electronics Engineers (IEEE), 2009-10)

In this paper, we present a numerical model for predicting the multipactor breakdown effect in coaxial transmission lines. To validate this method, we have first compared our results with numerical data from other theoretical ...