Journal
APPLIED PHYSICS EXPRESS
Volume 10, Issue 1, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.7567/APEX.10.016701
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Funding
- National Natural Science Foundation of China [51477126]
- Technology Innovation Research Project of the CETC, AreoSpace T.T.&.C. Innovation Program [2015B12]
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A high-order Bessel vortex beam carrying orbital angular momentum (OAM) is generated by using multilayer amplitude-phase-modulated surfaces (APMSs) at 10GHz. The APMS transmitarray is composed of four-layer conformal square-loop (FCSL) surfaces with both amplitude and phase modulation. The APMS can transform a quasi-spherical wave emitted from the feeding source into a pseudo non-diffractive high-order Bessel vortex beam with OAM. The APMS for a second-order Bessel beam carrying OAM in the n = 2 mode is designed, fabricated, and measured. Fullwave simulation and measurement results confirm that Bessel vortex beams with OAM can be effectively generated using the proposed APMS transmitarray. (C) 2017 The Japan Society of Applied Physics
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