Small-size streak tube for imaging lidar

Jinshou Tian; Dandan Hui; Duan Luo; Tao Wang; Jun Zhang; Shaorong Chen; Hui Jia

doi:10.1117/12.2269063

20 February 2017 Small-size streak tube for imaging lidar

Jinshou Tian, Dandan Hui, Duan Luo, Tao Wang, Jun Zhang, Shaorong Chen, Hui Jia

Proceedings Volume 10328, Selected Papers from the 31st International Congress on High-Speed Imaging and Photonics; 103280O (2017) https://doi.org/10.1117/12.2269063
Event: 31st International Congress on High-Speed Imaging and Photonics, 2016, Osaka, Japan

Abstract

Streak tube imaging lidar, as a novel flash lidar, due to its advantages of higher resolution for low contrast conditions, compact and rugged physical configurations, small image distortions owing to its scannerless design, and higher image update rates, has immense potential to provide 3D single-laser-pulse scannerless imaging, 3D multispectral imaging, 3D multispectral fluorescence imaging, and 3D polarimetry. In order to further reduce the size and enlarge the field of view (FOV) of the lidar system, we designed a super small-size, large photocathode area and meshless streak tube with spherical cathode and screen. With the aid of Computer Simulation Technology Software package (CST), a model of the streak tube was built, and its predominant performances were illustrated via tracking electron trajectories. Spatial resolution of the streak tube reaches 20lp/mm over the entire ∅28mm photocathode working area, and its temporal resolution is better than 30ps. Most importantly, the external dimensions of the streak tube are only ∅50mmx100mm. And several prototypes are already manufactured on the basis of the computer design.

Citation Download Citation

Jinshou Tian, Dandan Hui, Duan Luo, Tao Wang, Jun Zhang, Shaorong Chen, and Hui Jia "Small-size streak tube for imaging lidar", Proc. SPIE 10328, Selected Papers from the 31st International Congress on High-Speed Imaging and Photonics, 103280O (20 February 2017); https://doi.org/10.1117/12.2269063

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