Single and dual band 77/95/110 GHz metamaterial absorbers on flexible polyimide substrate

2011 ◽  
Vol 99 (26) ◽  
pp. 264101 ◽  
Author(s):  
Pramod K. Singh ◽  
Konstantin A. Korolev ◽  
Mohammed N. Afsar ◽  
Sameer Sonkusale
Keyword(s):  
Dual Band ◽  
Polyimide Substrate ◽  
Metamaterial Absorbers

scholarly journals Dual-Band, Polarization-Insensitive, Ultrathin and Flexible Metamaterial Absorber Based on High-Order Magnetic Resonance

Photonics ◽  
2021 ◽  
Vol 8 (12) ◽  
pp. 574
Author(s):  
Duong Thi Ha ◽  
Bui Son Tung ◽  
Bui Xuan Khuyen ◽  
Thanh Son Pham ◽  
Nguyen Thanh Tung ◽  
...  
Keyword(s):  
Magnetic Resonance ◽  
Cylindrical Surface ◽  
Metamaterial Absorber ◽  
High Order ◽  
Dual Band ◽  
Polyimide Substrate ◽  
Planar Model ◽  
Polarization Insensitive ◽  
Absorption Performance ◽  
High Absorption

We demonstrate a dual-band, polarization-insensitive, ultrathin and flexible metamaterial absorber (MA), based on high-order magnetic resonance. By exploiting a flexible polyimide substrate, the thickness of MA came to be 1/148 of the working wavelength. The absorption performance of the proposed structure was investigated for both planar and bending models. In the case of the planar model, a single peak was achieved at a frequency of 4.3 GHz, with an absorption of 98%. Furthermore, additional high-order absorption peaks were obtained by the bending structure on a cylindrical surface, while the fundamental peak with a high absorption was maintained well. Our work might be useful for the realization and the development of future devices, such as emitters, detectors, sensors, and energy converters.

scholarly journals Right-Angle Shaped Elements as Dual-Band Metamaterial Absorber in Terahertz

2019 ◽  
Vol 10 (3) ◽  
pp. 233-241
Author(s):  
Salman Daniel ◽  
Prince Bawuah
Keyword(s):  
Electromagnetic Wave ◽  
Numerical Simulations ◽  
Metamaterial Absorber ◽  
Terahertz Range ◽  
Dual Band ◽  
Angle Of Incidence ◽  
Wide Range ◽  
State Of Polarization ◽  
Potential Applications ◽  
Metamaterial Absorbers

AbstractMetamaterial absorbers display potential applications in the field of photonics and have been investigated extensively during the last decade. We propose a dual-band resonant metamaterial absorber with right-angle shaped elements (RAEs) in the terahertz range based on numerical simulations. The absorber remains insensitive to a wide range of incidence angles (0°–70°) by showing a minimum absorbance of ~80% at 70°. Furthermore, the proposed absorber is highly independent on any state of polarization of the incidence electromagnetic wave due to the high absorbance, i.e., greater than 80%, recorded for the considered polarization states. To further comprehend the slight variations in absorbance as a function of change in the angle of incidence, the impedance of the structure has been critically examined. The metamaterial absorber is simple in design, and we provide a possible path of fabrication.

scholarly journals Design and Fabrication of Metamaterial Absorbers Used for RF-ID

2020 ◽  
Vol 58 (2) ◽  
pp. 131-136 ◽  
Author(s):  
Yo-Han Ryu ◽  
Sung-Soo Kim
Keyword(s):  
Reflection Loss ◽  
Radio Frequency Identification ◽  
Electromagnetic Interference ◽  
Electromagnetic Compatibility ◽  
Incidence Angle ◽  
Copper Film ◽  
Circuit Board ◽  
Dual Band ◽  
Substrate Thickness ◽  
Metamaterial Absorbers

Radio frequency identification (RF-ID) uses electromagnetic fields to automatically identify and track tags attached to objects. In response to the need to suppress the electromagnetic interference between adjacent RF-ID equipment or systems, this study aims to achieve a thin and multi-resonance absorber using metamaterials composed of patterned grids on a grounded dielectric substrate in the frequency region of UHF and microwaves. A computational tool (ANSYS HFSS) was used to model and estimate the reflection coefficient and surface current distribution. The samples used to measure reflection loss were fabricated by the printed circuit board (PCB) method in which a copper film was deposited on both sides of a photosensitized board. The reflection loss was measured using a free space measurement system, composed of a pair of horn antennas and network analyzer. The grid-patterned metamaterial absorbers exhibited dual-band absorption peaks at 0.88 GHz and 2.45 GHz with a small substrate thickness (about 3.7 mm) that can be usefully applied to electromagnetic compatibility in RF-ID system. Magnetic coupling is achieved via antiparallel currents in the grid conductor on the top layer and the ground conductor on the bottom layer. Since the magnetic response is influenced by the dimension of the resonators, it is possible to achieve two resonances by scaling the resonating structures. The metamaterial absorbers also exhibited good oblique incidence performance. A high level of absorption (above 10 dB) was maintained at up to 30 degrees of incidence angle for both TE and TM polarization.

scholarly journals Design Double Layers Structure Based Dual Band Metamaterial Absorbers for Stealth Applications

2019 ◽  
Vol 14 (22) ◽  
pp. 8315-8320
Author(s):  
Omar Fadhil Abdullah ◽  
Orass Abdulhadi Hussein ◽  
Shihab A. Shawkat ◽  
Khalid Saeed Lateef Al-Badri
Keyword(s):  
Dual Band ◽  
Double Layers ◽  
Metamaterial Absorbers

Dual-Band Metamaterial Absorbers in the Visible and Near-Infrared Regions

2019 ◽  
Vol 123 (15) ◽  
pp. 10028-10033 ◽  
Author(s):  
Haixia Xu ◽  
Lizhong Hu ◽  
Yanxin Lu ◽  
Jun Xu ◽  
Yihang Chen
Keyword(s):  
Near Infrared ◽  
Dual Band ◽  
Metamaterial Absorbers

Polarization-independent dual-band terahertz metamaterial absorbers based on gold/parylene-C/silicide structure

2013 ◽  
Vol 52 (19) ◽  
pp. 4536 ◽  
Author(s):  
Yongzheng Wen ◽  
Wei Ma ◽  
Joe Bailey ◽  
Guy Matmon ◽  
Xiaomei Yu ◽  
...  
Keyword(s):  
Dual Band ◽  
Parylene C ◽  
Metamaterial Absorbers ◽  
Polarization Independent

Ultra-thin narrow-band, complementary narrow-band, and dual-band metamaterial absorbers for applications in the THz regime

2017 ◽  
Vol 121 (6) ◽  
pp. 063103 ◽  
Author(s):  
Maria Denise Astorino ◽  
Fabrizio Frezza ◽  
Nicola Tedeschi
Keyword(s):  
Narrow Band ◽  
Dual Band ◽  
Metamaterial Absorbers

Dual band visible metamaterial absorbers based on four identical ring patches

2021 ◽  
Vol 127 ◽  
pp. 114526 ◽  
Author(s):  
Yubin Zhang ◽  
Zao Yi ◽  
Xinyue Wang ◽  
Peixin Chu ◽  
Weitang Yao ◽  
...  
Keyword(s):  
Dual Band ◽  
Metamaterial Absorbers
Sign in / Sign up

Export Citation Format

Share Document