Orbital Angular Momentum in Radio—A System Study
By S. Mohammadi, Lars K. S. Daldorff, J. Bergman, R. Karlsson, B. Thid'e, K. Forozesh, Tobia D. Carozzi, B. Isham. IEEE Transactions on Antennas and Propagation, 2010
773 citations recorded by the source corpus.
Subfields: Atomic and Molecular Physics, and Optics, Biomedical Engineering, Electronic, Optical and Magnetic Materials
View Paper: https://www.semanticscholar.org/paper/3d28ee266ac532ca0177a11b69f0bab556e8e4b8
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Citations in the corpus
- Is Orbital Angular Momentum (OAM) Based Radio Communication an Unexploited Area? (2012, methodology): “This behavior can also be understood from the radiation patterns displayed in [1] and [2], where all but OAM state 0 have a null in the forward direction.”
- Circular Polarized Patch Antenna Generating Orbital Angular Momentum (2014, neutral): “The first one consists of a circular antenna array in which the different elements are fed with signals having the same amplitude and a progressive phase shift, such that the total delay between the first and the last element is an integer multiple l of 2 π [5, 6].”
- Generation of OAM Beams Using Phased Array in the Microwave Band (2016, background): “In a volume V of free space, the angular momentum of the EM field can be given as [15]”
- Orbital-Angular-Momentum-Based Electromagnetic Vortex Imaging (2015, methodology): “For radar imaging applications, electromagnetic vortex wave can be generated in a simple way by a phased uniform circular antenna array [2], [5], as shown in Fig.”
- Transmission Characteristics of a Twisted Radio Wave Based on Circular Traveling-Wave Antenna (2015, background): “However, the common way to generate the twisted radio beams is by a circular antenna array with each element fed by the same signal, but with a successive phase element to element, such that after a full turn, the phase has been incremented by an integer multiple l of 2π [7], [8].”
- Photon Spin Hall Effect-Based Ultra-Thin Transmissive Metasurface for Efficient Generation of OAM Waves (2019, background): “At microwave frequencies, OAM waves can be generated using circular antenna arrays through gradient phase feeding [15], [16] or time switched feeding [17].”