3 May 2012 Ultra-wideband noise radar based on optical waveform generation
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Abstract
A microwave-photonic, ultra-wideband (UWB) noise radar system is proposed and demonstrated. The system brings together photonic generation of UWB waveforms and fiber-optic distribution. The use of UWB noise provides high ranging resolution and better immunity to interception and jamming. Distribution over fibers allows for the separation the radar-operating personnel and equipment from the location of the front-end. The noise waveforms are generated using the amplified spontaneous emission that is associated with stimulated Brillouin scattering in a standard optical fiber, or with an erbium-doped fiber amplifier. Our experiments demonstrate a proof of concept for an integrated radar system, driven by optically generated UWB noise waveforms of more than 1 GHz bandwidth that are distributed over 10 km distance. The detection of concealed metallic object and the resolving of two targets with the anticipated ranging resolution are reported.
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Daniel Grodensky, Daniel Grodensky, Daniel Kravitz, Daniel Kravitz, Avi Zadok, Avi Zadok, } "Ultra-wideband noise radar based on optical waveform generation", Proc. SPIE 8361, Radar Sensor Technology XVI, 836117 (3 May 2012); doi: 10.1117/12.918533; https://doi.org/10.1117/12.918533
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