Design of dual-band wide-angle RF/IR beam combiner based on impedance matching
IET Microwaves, Antennas & Propagation(2020)
Abstract
A radiofrequency (RF)/infrared (IR) beam combiner is used to combine IR signals and RF signals into a common transmission axis. In this study, a dual-band wide-angle RF/IR beam combiner with high RF transmission and IR reflection was proposed. Based on the impedance matching principle, the RF/IR beam combiner consisted of a high reflective IR film, an IR substrate, and two RF matching layers. Mult...
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Key words
frequency selective surfaces,impedance matching,infrared detectors,missile guidance,optical tracking,particle swarm optimisation,permittivity
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