Low multiplication noise thin Al0.6Ga0.4As avalanche photodiodes [PDF]
, 2001 Avalanche multiplication and excess noise were measured on a series of Al0.6Ga0.4As p+in+ and n+ip+ diodes, with avalanche region thickness, w ranging from 0.026 μm to 0.85 μm.
David, J.P.R. +5 more
core +1 more source
Design of a Multifunctional Reconfigurable Metasurface for Polarization and Propagation Manipulation
IEEE Access, 2019 In this paper, a multifunctional reconfigurable polarization conversion metasurface (MRPCM) is designed for controlling both the propagation and the polarization of electromagnetic wave.
You Li, Yi Wang, Qunsheng Cao
doaj +1 more source
A reconfigurable wideband and multiband antenna using dual-patch elements for compact wireless devices [PDF]
, 2011 This is the post-print version of the Article. The official published version can be accessed from the link below - Copyright @ 2012 IEEEA reconfigurable wideband and multiband C-Slot patch antenna with dual-patch elements is proposed and studied.
AbuTarboush, H.F. +13 more
core +2 more sources
A single-layer tuneable microwave absorber using an active FSS [PDF]
, 2004 An experimental single-layer active microwave absorber in described. The absorber is a planar structure based upon the topology of a Salisbury screen, but in which the conventional resistive layer is replaced by an active frequency selective surface (FSS)
Chambers, B., Tennant, A.
core +1 more source
Voltage Controlled Intertwined Spiral Arrays for Reconfigurable Metasurfaces
International Journal of Antennas and Propagation, 2014 Reconfigurable bistate metasurfaces composed of interwoven spiral arrays with embedded pin diodes are proposed for single and dual polarisation operation.
A. Vallecchi +2 more
doaj +1 more source
A compact 6-bit phase shifter with high-power capacity based on composite right/left-handed transmission line [PDF]
, 2010 The EuMC 2010 Conference was one of the 4 conferences held during the 13th European Microwave Week (EuMW2010): "Connecting the World", Paris, France, 26 September-1 October 2010A compact 6-bit phase shifter with high power-handling capacity is designed ...
Cheung, SW, Yuk, TI, Zhang, J
core +1 more source
A Frequency Reconfigurable Compact Planar Inverted-F Antenna for Portable Devices
International Journal of Antennas and Propagation, 2022 In this paper, a low-profile, compact size, inexpensive, and easily integrable frequency reconfigurable antenna system is proposed. The proposed antenna consists of an inverted-F shape antenna, capacitors, and switching PIN diodes.
Adnan Ghaffar +7 more
doaj +1 more source
Neutrino telescopes under the ocean: The case for ANTARES [PDF]
, 1998 Neutrino telescopes offer an alternative way to explore the Universe. Several projects are in operation or under construction. A detector under the ocean is very promising because of the very accurate angular resolution that it provides.
Bhattacharjee +8 more
core +3 more sources
Design of a PIN Diode-Based Reconfigurable Metasurface Antenna for Beam Switching Applications
International Journal of Antennas and Propagation, 2019 In this paper, we propose a reconfigurable metasurface antenna for beam switching applications. The reconfigurable metasurface is formed by uniformly distributed double-split square rings loaded with positive-intrinsic-negative (PIN) diodes for dual ...
Sarawuth Chaimool +4 more
doaj +1 more source
Compact Frontend-Electronics and Bidirectional 3.3 Gbps Optical Datalink for Fast Proportional Chamber Readout [PDF]
, 2001 The 9600 channels of the multi-wire proportional chamber of the H1 experiment at HERA have to be read out within 96 ns and made available to the trigger system.
B Meier +20 more
core +2 more sources