Research on a flash imaging lidar based on a multiple-streak tube |
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Authors: | J. Liu Q. Wang S. Li Y. Cheng J. Wei |
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Affiliation: | (1) National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin, 150001, China |
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Abstract: | A flash imaging lidar based on a multiple-streak tube is presented in this paper; a fiber remapping optics maps light from an area in the focal plane of an imaging lens to multiple rows of fibers on the streak tube’s photocathode. The lidar system contains a multiple-streak tube, laser, transmitting and receiving telescope, remapping optical fibers, and CCD to capture stripe images from the streak tube’s phosphor screen. Data processing yields 48 × 48-pixel intensity and range images for each laser pulse. An experiment to test the property of this lidar is carried out in the laboratory; the intensity images and range images are gained by image remapping, and the range sampling is 0.21 m. Field test imagery demonstrated the capability of the flash lidar system to image a building 705 m away. |
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