High-speed photon-counting laser ranging for broad range of distances.

High-speed photon-counting laser ranging for broad range of distances.
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DOI:
10.1038/s41598-018-22675-1
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发表时间:
2018-03-08
期刊:
影响因子:
4.6
通讯作者:
Wu G
Wu G
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Du B;Pang C;Wu D;Li Z;Peng H;Tao Y;Wu E;Wu G

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我们展示了一个高速光子计数激光测距系统与激光脉冲的多个重复频率,以扩大明确的范围。在实验中,使用了三种不同重复频率的10 MHz左右的激光脉冲,将最大无模糊距离从15 m扩大到165 km。此外,距离范围也有所增加,从而能够以高深度分辨率对大间隔距离的不同目标进行测量。实现了一台室外光子计数激光器,测量距离可达21 km,重复频率高,有利于机载和星载地形测绘。
We demonstrate a high-speed photon-counting laser ranging system with laser pulses of multiple repetition rates to extend the unambiguous range. In the experiment, the laser pulses of three different repetition rates around 10 MHz were employed to enlarge the maximum unambiguous range from 15 m to 165 km. Moreover, the range of distances was increased as well, enabling the measurement on different targets of large separation distance with high depth resolution. An outdoor photon-counting laser ranging up to 21 km was realized with high repetition rate, which is beneficial for the airborne and satellite-based topographic mapping.
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