Abstract

In order to improve the detection capability of foreign objects debris (FOD) on airport runway. A wide area, high resolution infrared polarimetric surveillance system has been designed. Infrared polarimetric imaging can increase the dimension of the detection information ,then improve the detail features and contrast of the FOD image, the range of surveillanc is expanded by optical multiplexing while the image resolution remains unchanged. The focal length of the optical system is 80mm, the F number is 2, the pixel resolution is 1.29′,the frame rate is 10Hz, the MTF is higher than 0.8 at the 17lp/mm. The experimental results of the FOD detection indicate that the field of view of this system has reached 20.62°×5.5°, the horizontal field of view was nearly 3 times than the optical system with the same focal length, comparing with the intensity image，the contrast of target and background is enhanced by 41.6 to 207.9 times, the local signal-to-clutter ratio is enhanced by 1.1 to 2.2 times.

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