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Suchbegriff:

Simulation of Optical Ring Resonator Based on Lithium Niobate on Insulator

H. Kumar [1], V. Janyani [1], B. Oleh [2], U. Serhij [2], S. Dmytro [2], G. Singh [1],
[1] Dept. of Electronics and Communication Engg., Malaviya National Institute of Technology Jaipur, India
[2] Inst. of Tele. Radioelectronics and Electronic Engg.,Lviv Polytechnic National University, Lviv, Ukraine

In this paper, all optical microring resonator based on Lithium Niobate on Insulator (LNOI) has been proposed. LNOI has high refractive index contrast and also show better electro-optic & acousto-optic effects. The optical ring resonator resonates when the optical path-length of the ... Mehr lesen

Microwave Radiation to Cure Cork Stoppers Using a Conventional Turntable Configuration

D. Fidalgo[1], J. Monteiro[1], L. Costa[1]
[1]I3N and Physics Department, University of Aveiro, Aveiro, Portugal

This work presents an alternative method for curing cork stoppers based on microwave radiation, which is energetically more efficient, where it is possible to accelerate the reaction rate and therefore reduce the cure time comparatively with conventional curing methods. The microwave ... Mehr lesen

Modeling Ex Vivo Microwave Hyperthermia of Different Biological Tissues

H. Kokabi [1], G. Chen [1], N.-E. Belhadj-Tahar [1],
[1] Université Pierre et Marie Curie, Paris, France

Electromagnetic and thermal simulations are achieved using COMSOL Multiphysics® with 2D axisymmetrical finite–element method for a percutaneous microwave hyperthermia system with ex–vivo experiments on different biological tissues. Temperature variation and distribution are studied in ... Mehr lesen

Modeling of Lorenz Force Flowmeter for Molten Metal Flow Application

T. V. Shyam[1], B. S. V. G. Sharma[1], Mrigendra Kumar Mrityunjaya [2], Dr. Ravinder Agarwal[2]
[1]Reactor Engineering Division, Bhabha Atomic Research Centre, Mumbai, India
[2]Thapar University, Patiala, India

Flow measurement of molten metals is a formidable task considering the hostile conditions. Many electromagnetic methods have been evolved for measurement of flow of conductive medium. The Lorenz force velocimetry is promising considering its non-intrusive nature. The Lorenz force ... Mehr lesen

Hyperloop: Magnetic Levitation Halbach Array Simulations

F. Rowe[1]
[1]University of Strathclyde, United Kingdom

What is Hyperloop? Hyperloop is a futuristic train transportation concept which functions on the principle of magnetic levitation, where arrays of magnets, known as Halbach arrays are used to generate lift and thrust for the pod. How COMSOL Multiphysics® Was Utilised? COMSOL ... Mehr lesen

COMSOL Aided Design of an Extraction Pipe for the Electron Beam from a Plasma Focus Device

M. Valentinuzzi[1], E. Ceccolini[1], D. Mostacci[1], M. Sumini[1], F. Rocchi[2]
[1]Montecuccolino Nuclear Engineering Laboratory, University of Bologna, Bologna, Italy
[2]UTFISSM-PRONOC, ENEA, Bologna, Italy

The electron beam emitted backward by Plasma Focus devices is being investigated as a radiation source for IORT (Intra-Operative Radiation Therapy) applications. A Plasma Focus device is being developed to this aim. The electron beam is driven through an electron pipe made of stainless ... Mehr lesen

A Novel Free-standing Evanescent Waveguide for Sensing

X. Meng [1], Y. Xin [1], P. French [1],
[1] Department of Microelectronics, Delft University of Technology, Delft, Netherland

Introduction The monitoring of bacteria concentration in drain fluid is the most common way to estimate the success of a colon surgery. However, the lack of efficient method to follow the development of E.coli in drain fluid after surgery is often fatal to the patient. The proposed ... Mehr lesen

Modeling of Resonant Optical Trapping in a 2D Photonic Crystal Cavity

U.P. Dharanipathy[1], N. Descharmes[1], Z. Diao[1], M. Tonin[1], R. Houdré[1]
[1]Institut de Physique de la Matière Condensée, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland

Photonic crystals (PhC) are optical nanostructures that are widely known for their strong spatial and temporal confinement of electromagnetic radiation. Here, we study the resonant optical trapping of a single nanoparticle within a hollow circular photonic crystal cavity. The ... Mehr lesen

Broadband Polarization-Independent and Wide-Angle Metasurface for Radar Cross Section Reduction

A. Vora [1], S. Joshi [2], D. Guney [1],
[1] Michigan Technological University, Houghton, MI, USA
[2] Touro College, New York, NY, USA

In the past few years, metamaterial perfect absorbers (MPA) have been extensively studied due to their incredible ability to manipulate electromagnetic waves and provide a broadband, polarization-independent, and wide-angle response for a host of applications. The need for high ... Mehr lesen

Low-Loss Metallic Waveguide for Terahertz Applications

K.Singh [1], A.Sengupta [1], A.Bandyopadhyay [2],
[1] Indian Institute of Technology Delhi, New Delhi, India
[2] DRDO-JATC, New Delhi, India

Introduction: Terahertz waves (THz), also known as T-rays, range from 0.3 THz to 10 THz and hence positioned between Microwaves and Infrared radiations on the Electromagnetic spectrum. T-rays exhibit several distinctive properties which make these suitable for applications such as ... Mehr lesen

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