Journal
OPTICS EXPRESS
Volume 25, Issue 13, Pages 14334-14340Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.25.014334
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Funding
- Science and technology innovation and key deployment program of CAS [KGFZD-125-15017]
- Natural National Science Foundation of China (NSFC) [6169190011]
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A microwave photonic synthetic aperture radar (MWP SAR) is developed and experimentally demonstrated. In the transmitter, microwave photonic frequency doubling is used to generate a linearly-frequency-modulated (LFM) radar signal; while in the receiver, photonic stretch processing is employed to receive the reflection signal. The presented MWP SAR operates in Ku band with a bandwidth of 600MHz, and is evaluated through a series of inverse SAR imaging tests both in a microwave anechoic chamber and in a field trial. Its imaging performance verifies that the proposed MWP SAR works perfect and shows the potential of overcoming the conventional radar bandwidth bottleneck. (C) 2017 Optical Society of America
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