Single photon imaging based on beam manipulation

IF 4.6 2区物理与天体物理 Q1 OPTICS

Optics and Laser Technology Pub Date : 2025-05-15 DOI:10.1016/j.optlastec.2025.113080

Zeyu Guo , Zhen Chen , Yongqi Yang , Yun Jiang , Hao Yi , Huachuang Wang , Bo Liu , Enhai Liu

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引用次数: 0

Abstract

The array-based single-photon light detection and ranging (LiDAR) not only offers exceptional detection sensitivity, but also enables simultaneous acquisition of distance information from multiple pixels, significantly improving the speed of three-dimensional (3D) imaging. Unfortunately, the working distance is limited by flood illumination in the array-based single-photon LiDAR systems. In order to improve the detection capability of long-range targets and achieve fast 3D imaging of close-range targets simultaneously, a single photon imaging method based on beam manipulation is proposed in this paper. With the beam manipulation technique, the divergence angle is adaptively adjusted by a motorised beam expander according to the signal-to-noise ratio (SNR), which enhances fast and long-range 3D imaging. A compact array-based single-photon LiDAR system is established, and the experimental results show that fast 3D imaging of close-range targets (at a distance of 7.7 km) can be achieved in an urban environment. Furthermore, the working distance of small targets with weak echoes reaches up to 16.5 km.

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基于光束操纵的单光子成像

基于阵列的单光子光探测和测距（LiDAR）不仅提供了卓越的探测灵敏度，而且能够同时从多个像素获取距离信息，显著提高了三维（3D）成像的速度。然而，基于阵列的单光子激光雷达系统的工作距离受到泛光照明的限制。为了提高对远距离目标的探测能力，同时实现对近距离目标的快速三维成像，本文提出了一种基于光束操纵的单光子成像方法。采用光束操纵技术，由电动光束扩展器根据信噪比自适应调节发散角，增强了快速、远程的三维成像能力。建立了基于阵列的紧凑单光子激光雷达系统，实验结果表明，在城市环境下，可实现近距离目标（距离7.7 km）的快速三维成像。弱回波小目标的工作距离可达16.5 km。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Optics and Laser Technology 物理-光学

CiteScore

8.50

自引率

10.00%

发文量

1060

审稿时长

3.4 months

期刊介绍： Optics & Laser Technology aims to provide a vehicle for the publication of a broad range of high quality research and review papers in those fields of scientific and engineering research appertaining to the development and application of the technology of optics and lasers. Papers describing original work in these areas are submitted to rigorous refereeing prior to acceptance for publication. The scope of Optics & Laser Technology encompasses, but is not restricted to, the following areas: •development in all types of lasers •developments in optoelectronic devices and photonics •developments in new photonics and optical concepts •developments in conventional optics, optical instruments and components •techniques of optical metrology, including interferometry and optical fibre sensors •LIDAR and other non-contact optical measurement techniques, including optical methods in heat and fluid flow •applications of lasers to materials processing, optical NDT display (including holography) and optical communication •research and development in the field of laser safety including studies of hazards resulting from the applications of lasers (laser safety, hazards of laser fume) •developments in optical computing and optical information processing •developments in new optical materials •developments in new optical characterization methods and techniques •developments in quantum optics •developments in light assisted micro and nanofabrication methods and techniques •developments in nanophotonics and biophotonics •developments in imaging processing and systems