Abstract
We introduce a passive tomography method with deep field of view up to 90 m based on the self-acceleration characteristics of Airy beams. A post-modulation long-distance imaging system was proposed and optimized in its optical configuration and phase modulation parameters. The resolution was analyzed based on theoretical simulation. Experimentally, three LEDs at various distances around 10 m and two outdoor road lamps with distance of 67 and 90 m were reconstructed using the Airy-beam tomography algorithm, respectively, demonstrating excellent tomographic characteristics. This work presents a feasible candidate for the 3D passive detection for long-distance targets.
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