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光子计数激光测距技术研究

Science Technology and Engineering(2013)

Cited 5|Views7
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Abstract
光子计数激光雷达采用了灵敏度极高的单光子探测器,能够将激光雷达系统的灵敏度提高2—3个数量级,具有极大的发展潜力和技术优势。介绍和分析了光子计数激光测距技术的基本原理和优点。设计了光子计数激光雷达实验系统,采用盖革模式的雪崩二极管(Geiger-mode APD),开展了测距验证实验。实验结果表明,采用光子计数激光测距能够在单光子灵敏度和强噪声背景条件下,获取目标的距离信息,距离测量精度达到6.23 cm。
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Key words
laser ranging photon counting single photon detector
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