High-efficiency multi-band multi-polarization metasurface-based reflective converter with multiple plasmon resonances

2021 ◽  
Vol 130 (19) ◽  
pp. 193104
Author(s):  
Qi Zheng ◽  
Chenjiang Guo ◽  
Jun Ding ◽  
Peng Fei ◽  
Guy A. E. Vandenbosch
Keyword(s):  
High Efficiency ◽  
Plasmon Resonances ◽  
Multi Band

A High Efficiency Multi-Band Antenna for Mobile Communication Devices

2013 ◽  
Vol 411-414 ◽  
pp. 809-812
Author(s):  
Sheng Cai Jiao ◽  
Wen Zhou Sun
Keyword(s):  
Mobile Devices ◽  
Mobile Communication ◽  
High Efficiency ◽  
Antenna Design ◽  
Triple Resonance ◽  
Communication Devices ◽  
Multi Band

In this paper, we present a compact high-efficiency multi-band micro strip antenna for the mobile devices. At the same time, because most of antennas are located near the ground planar, the proposed antenna is designed with a ground planar. The antenna occupies a small size of 100*60mm2 and operates in CDMA(824-894MHz),GSM(880-960MHz), DCS(1710-1880),PCS(1850-1990),UMTS(1920-2170) and 3G band. By using a long slot, two trapezoid slots and a short slot, a triple resonance around 900MHz and another wideband resonance around 2100MHz can be created, respectively. Details of the antenna design are described , and its radiation performances results are presented and discussed. Keywords-Multi-band antenna;; mobile communication devices; hige-efficency

High efficiency switching power amplifiers for multi-band radar

2012 ◽  
Author(s):  
Jarred Lawler ◽  
Justin Wells ◽  
Sal Mendez ◽  
Tim Wurth
Keyword(s):  
Power Amplifiers ◽  
High Efficiency ◽  
Switching Power ◽  
Multi Band

Diluted ZnMnTe oxide: a multi-band semiconductor for high efficiency solar cells

2004 ◽  
Vol 241 (3) ◽  
pp. 660-663 ◽  
Author(s):  
K. M. Yu ◽  
W. Walukiewicz ◽  
J. Wu ◽  
W. Shan ◽  
M. A. Scarpulla ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Efficiency ◽  
High Efficiency Solar Cells ◽  
Multi Band

A new approach to high‐efficiency multi‐band‐gap solar cells

1990 ◽  
Vol 67 (7) ◽  
pp. 3490-3493 ◽  
Author(s):  
K. W. J. Barnham ◽  
G. Duggan
Keyword(s):  
Solar Cells ◽  
Band Gap ◽  
High Efficiency ◽  
New Approach ◽  
Multi Band
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