0% Complete
صفحه اصلی
/
سی و سومین کنفرانس بین المللی مهندسی برق
Controllable UWB THz Absorber Using a New Single-layer Graphene-based Grating
نویسندگان :
Mahdieh Bozorgi
1
Mahmood Rafaei Booket
2
Mohammad Amin Zolghadr
3
1- دانشگاه زنجان
2- دانشگاه زنجان
3- دانشگاه زنجان
کلمات کلیدی :
Terahertz (THz)،Graphene-based grating،Ultra-wideband (UWB) absorber.
چکیده :
In this paper, an Ultra-Wideband (UWB) graphene-based grating absorber is designed for Terahertz (THz) applications. In the design of its unit cell, a patterned and a continuous graphene sheets separated by a quartz (SiO2) dielectric are used. Each step of the design approach is numerically analyzed with the help of a commercial EM-solver. The calculated absorptivity in the result of normally incident plane-waves reveals an absorption bandwidth 194% with absorptivity more than 80% from 0.1 to 7THz. The unit cell's dimensions of this polarization-insensitive grating are found to be λ0/300, where λ0 is free space wavelength at 0.1THz. It is shown that the proposed absorber has an excellent performance for both TE- and TM-polarized obliquely incident plane-waves once the incidence angle < 80o. By changing the chemical potentials of graphene sheets, this absorber provides a good flexibility in its frequency behavior.
لیست مقالات
لیست مقالات بایگانی شده
Design and implementation of a light box to measure the dimensions of objects
Mohammad Imani - Amir Mousavinia - Behruz Nasihatkon
Improving CycleGAN-VC2 Voice Conversion by Learning MCD-Based Evaluation and Optimization
Majid Behdad - Davood Gharavian
مکان یابی بهینه ذخیره سازهای متحرک انرژی الکتریکی با هدف بهبود تاب آوری سیستم توزیع قبل از طوفان
سبحان آقابابایی - محمد صادق سپاسیان
Unsupervised Change Detection in SAR Images Using a Six-Branch CNN and Adaptive Window Approach
Abbas Kakoolvand - Maryam Imani - Hassan Ghassemian
Clustering of Fuzzy Data Based on Particle Swarm Optimization
Najme Ghanbari - Seyed-hamid Zahiri - Hadi Shahraki
ساخت حسگر رطوبت مقاومتی با استفاده از نانوذره اکسید گرافن بر پایه الکترودهای شانه ای
ندا قربانی - سمانه حامدی
Autonomous, Bio-inspired vision-based navigation system for indoor flying using hybrid optical flow and stereopsis methods
Masoud Mohtadifar - Hadi Seyedarabi
Multi-Agents Gaussian Estimation and Coverage Control Client-Server Architecture
Mohammad َAzizian Shishavan - Mahdi Zeinali - Azam Salari
یک روش مستقل از پارامترهای خطا بهمنظور تشخیص، دستهبندی و تعیین سکشن خطا در سیستم انتقال چند ترمیناله بر اساس تبدیل موجک گسسته
احسان اکبری - عبدالرضا شیخ الاسلامی
A Cost-Effective Solution for Traffic Sign Recognition and Geographic Localization Using a Monocular Camera
Mohadeseh Atyabi - Fardin Ayar - Mahdi Javanmardi
ثمین همایش، سامانه مدیریت کنفرانس ها و جشنواره ها - نگارش 40.4.2