In microwave heating applications, the energy is introduced directly into the volume of the material and as consequence the quality of the process is highly dependent on the uniformity of the electromagnetic field distribution along it.... COMSOL Conference 2010, Paris T. Santos1 , L.C. Costa1,2 , M. Valente1,2 , J. Monteiro1,2 , and J. Sousa3 1 University of Aveiro, Portugal 2 I3N, Aveiro, Portugal 3 TEKA Portugal S.A., Ílhavo, Portugal
Grating-assisted optical coupling into long-range modes of strip plasmonic waveguides is analyzed by a 3D numerical simulation with COMSOL Multiphysics. We used the RF Module and its scattering formulation. A comparison with results... COMSOL Conference 2012, Milan G.G. Gentili1 , S. Pietralunga2 , M. Bolzoni1 1 Politecnico di Milano, Dipartimento di Elettronica e Informazione, Milano, Italy 2 INFN-CNR, Istituto di Fotonica e Nanotecnologie, Milano, Italy
The major impediment to detection and characterization of low dielectric contrast nonmetallic buried in soil is the distorting and masking effects of clutter from rough ground surfaces and soil volumetric inhomogeneities. In this work,... COMSOL Conference 2006, Boston R. W. Gamache, C. Rappaport, and M. Farid. TransTech Systems inc., Northeastern University
In the current work we introduce a finite-element method (FEM) for calculating the effective permittivity of macroscopically inhomogeneous media. Specifically, we consider two-dimensional (2d) two-phase heterostructures consisting of hard... COMSOL Conference 2005, Boston Brosseau, C. Laboratoire d'Electronique et Systèmes de Télécommunications, Université de Bretagne Occidentale, Brest, France
In the quest for a higher data storage capacity, different solutions for the future generations of optical discs (after the Blu-ray format, BD) are under investigations. An increase of the NA beyond 0.85 (NA of the BD format) requires... COMSOL Conference 2005, Boston Gidon, S., Hyot, B., Poupinet, L. CEA Grenoble Leti
This poster outlines the results of finite element analyses to study the antenna radiation pattern of an implanted medical device. Also presented are simulation results used to design an electrically small antenna for a portable control... COMSOL Conference 2012, Boston H. Suri1 1 Alfred Mann Foundation for Scientific Research, Valencia, CA, USA
An Archimedean Spiral antenna is the common frequency independent antenna which have very large bandwidth. Archimedean Spiral antenna are circularly polarized and typically have radiation patterns with peaks perpendicular to the plane of... COMSOL Conference 2011, Bangalore G. Miranda1 , N. S. Pamidighantam1 , R. V. Iyer2 , S. Shukla3 , P. Suresh3 , and P. M. Soundarajan3 1 Department of Telecommunications, PESIT, Bangalore,Karnataka,India 2 Department of Science and Humanities, PESIT, Bangalore,Karnataka,India 3 DARE,Bangalore,Karnataka,India
In this paper the propagation of a plane wave in a large lossy medium is presented. The investigated geometry consists in a wedgeshaped lossy dielectric embedded in a lossy material with different electromagnetic properties. The aim of... COMSOL Conference 2009, Milan A. Pellegrini1 and F. Costa1 1 ALTRAN Italia, Pisa, Italy
Microwave heating is an important process for many commercial, industrial and household applications. In microwave heating applications, the energy is introduced directly into the volume of the material. As a consequence the quality of... COMSOL Conference 2011, Boston J. Crompton, S. Yushanov, L. Gritter, and K. Koppenhoefer AltaSim Technologies, LLC. Columbus, OH
Use of the terahertz(THz) region, which is unexplored frequency band, is investigated and expected for the next-generation high-speed wireless communication. In this presentation, we propose a monolithic integrated device by using... COMSOL Conference 2012, Tokyo A. Tashiro1 , M. Nakamura1 , M. Suhara1 1 Tokyo Metropolitan University, Hachioji City, Tokyo, Japan
The eigenmode solver is used to analyze the behavior of small multi-element antennas. We perform an eigenmode simulation of the shorted antenna structure, using perfectly matched layer (PML) outer boundaries, and for some simulations, we... COMSOL Conference 2007, Boston H. Stuart LGS, Bell Labs Innovations, Whippany, NJ, USA
Negative Refractive Lens (NRL) has shown that an optical system can produce images with details below the classic Abbe diffraction limit. This optical system transmits the electromagnetic fields, emitted by an object plane, towards an... COMSOL Conference 2012, Milan D. Grabovi?ki?1 , J.C. González1 , P. Benítez1 , J.C. Miñano1 1 Cedint Universidad Politécnica de Madrid, Madrid, Spain
This paper presents the solution of a transient electromagnetic problem using COMSOL Multiphysics. The paper also presents a closed-form solution of a transient electromagnetic dipole. The computational solution compares well with a... COMSOL Conference 2009, Boston J.C. Crompton1 , K.C. Koppenhoefer1 , and S.Y. Yushanov1 1 AltaSim Technologies, LLC, Columbus, Ohio, USA
This study is performed to know which central plate geometry is best suited for electrostatically actuated switch. The simulation is carried out in COMSOL Multiphysics, where user is free to model the geometry without depth knowledge... COMSOL Conference 2012, Bangalore K. M. V. Swamy1 , B. G. Sheeparamatti1 , G. R. Prakash 1 1 Department of Electronics and Communication, Basaveshwara Engineering College, Bagalkot, Karnataka, India
As interest in the electromagnetic spectrum expands towards the infrared and terahertz range, the distinct advantages of using semiconductors instead of metals for plasmonic applications must be understood. Plasmonic resonances in gold... COMSOL Conference 2012, Bangalore A. Shetty1 , K. J. Vinoy1 , S. B. Krupanidhi2 1 Electrical Communication Engineering, Indian Institute of Science, Bangalore, India 2 Materials Research Centre, Indian Institute of Science, Bangalore, India
The electromagnetic fields have a great influence on the behavior of all the living systems. The human body itself is a source of naturally generated electric and magnetic fields. When external signals of comparable strength flows... COMSOL Conference 2009, Bangalore A. Singh1 , S. Maini1 , and M. Anupma1 1 Department of Electrical & Instrumentation Engineering, Sant Longowal Institute of Engineering and Technology , Longowal (Deemed University), Punjab, India
This paper presents a numerical analysis for calculating the capacitance of singlestrip and double-strip shielded transmission lines. Modeling and simulation of the capacitance of shielded microstrip lines using COMSOL are illustrated. We... COMSOL Conference 2007, Boston S. M. Musa, and M. N. O. Sadiku College of Engineering, Prairie View A&M University, Prairie View, TX, USA
In thin-film solar cells (a-Si:H, µc-Si:H, CIGS, etc.) scattering of light is very important to increase absorption of light in the active layers of solar cells. Today the most efficient thin-film solar cells are designed or deposited on... COMSOL Conference 2012, Milan A. ?ampa1 , M. Topi?1 1 University of Ljubljana, Faculty of Electrical Engineering, Ljubljana, Slovenia
