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查看 COMSOL 用户年会 2020 论文

RF and Microwave Engineeringx

太赫兹声子极化激元的产生及与金属天线的相互作用

吴强 [1], 潘崇佩 [1], 张琦 [1],
[1] 南开大学,天津,中国

“极化激元”是固体物理学中的重要概念,泛指各种极性元激发与光子的耦合。其中,声子极化激元是指晶格振动的声子与电磁场中的光子相互耦合的一种极化激元波。使用飞秒光在铁电晶体铌酸锂中通过光学非线性效应可产生声子极化激元 ... 扩展阅读

Design and Simulation of an Additive Manufactured Microwave Cavity for Compact Cold Atom Clocks

C. Affolderbach1, E. Batori1, G. Mileti1
1University of Neuchâtel, Neuchâtel, Switzerland

We present the design and performance simulations for a microwave cavity for use in novel compact cold atom ... 扩展阅读

Full-Wave Validation of Broadside Radiating MTS Antennas Designed with a Current-Based Approach

L. Teodorani1, M. Zucchi1, R. Gaffoglio2, G. Giordanengo2, M. Righero2, G. Vecchi1
1Politecnico di Torino
2Fondazione LINKS

Metasurface (MTS) antennas are based on the use of special types of scattering surfaces patterned at a sub ... 扩展阅读

Quantum–Electromagnetic Coupling in Time Domain Simulations Using COMSOL Multiphysics®

Gian Marco Zampa1, Davide Mencarelli1, Luca Pierantoni1
1Università Politecnica delle Marche

INTRODUCTION The coupling of the Schrödinger and Maxwell equations allows to predict the self-generated ... 扩展阅读

Safety and Effectiveness Evaluation of Medical Therapeutic and Diagnostic Devices Using EM Fields

David Vrba1, Ondrej Fiser2, Matous Brunat3, Tomas Drizdal3, Tomas Pokorny3, Jan Vrba1
1V3 Consulting, s.r.o.
2Czech Technical University in Prague, Faculty of Biomedical Engineering; V3 Consulting, s.r.o.
3Czech Technical University in Prague, Faculty of Biomedical Engineering

Currently, there are a number of promising applications of electromagnetic fields in medical diagnosis and ... 扩展阅读

Wavelength Bit-rate Tunable Silicon – Organic hybrid Modulator using commercially Available HLD

Arathy krishna 1, Dr Prita Nair1
1Shiv Nadar University Chennai

On-chip photonic modulators designs currently use NLO material stacks such as LiNbO3 or BaTiO3 on Si or use ... 扩展阅读

Analysis of cancer cell behaviour using sub-THz excitation in COMSOL Multiphysics

Monodipa Sarkar (2)1, Aayushi Sinha (1)2, Niraj Kumar (3)3
1Vacuum Electron Devices Design Group, Academy of Innovative and Scientific Research (AcSIR), Ghaziabad, India,2001002
2 Amity Institute of Biotechnology (Autonomous) , Amity University Noida, India, 201303
3Vacuum Electron Devices Design Group(CSIR-CEERI, Pilani) , Academy of Innovation and Scientific Research (AcSIR) Ghaziabad, India,2001002

In this paper, analysis of cancer cell using Sub-THz technology have been studied. Sub-THz technique for ... 扩展阅读

Design and Optimization of Periodic Structures for Electromagnetic Wave Manipulation

Rajat Srivastava1, Dr Sangeeta Kale1
1Defence Institute of Advanced Technology

This research presents the design, simulation, and characterization of novel resonator structures based on ... 扩展阅读

Design of 0.2 THz Staggered Double Vane Beam-Wave Interaction Structure using COMSOL Multiphysics

Monodipa Sarkar1, Niraj Kumar1
1Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India, 201002 and CSIR-Central Electronics Engineering Research Institute, Pilani, Rajasthan, India, 333031

THz is an emerging technology which can be strongly utilized in the field of spectroscopy, communication, ... 扩展阅读

Nonlinear Analysis of Beam-Wave Interaction for High Power THz TWT with Sheet Electron Beam

Vishnu Srivastava1
1Ex Emeritus Scientist, CSIR-CEERI, Pilani-333 031, Rajasthan, India.

High-power THz TWTs of frequencies between 0.1THz to 0.3THz are being investigated for their use as ... 扩展阅读