Backscattering is a phenomenon where a portion of a wave’s energy is reflected back in the direction it came from. In wireless communications, backscattering is utilized in techniques like wireless backscatter, where devices modulate the backscattering of existing signals to transmit information. Backscattering is employed in various applications, including RFID (Radio-Frequency Identification) systems, where passive tags backscatter signals from readers.
Distributed fiber optic sensing systems use long section of optical fiber as the sensing media. Therefore, the fiber characteristics determines the sensing capability and performance. In this presentation, various types of specialty optical fibers and their sensing applications will be introduced and discussed.
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