Multi-mode Coherent Detection Ghost Imaging Lidar and Vibration-Mode Imaging
Jinquan Qi, Shuang Liu, Chenjin Deng, Chaoran Wang, Zunwang Bo, Youzhen Gui, Shensheng Han

TL;DR
This paper introduces a novel multi-mode coherent detection ghost imaging lidar system that enhances anti-interference and phase-resolved imaging by combining ghost imaging with coherent detection and utilizing field correlation to reconstruct target vibration modes.
Contribution
It proposes a new bucket-detector-based multi-mode coherent detection scheme for ghost imaging lidar that breaks traditional constraints and reconstructs target vibration modes.
Findings
Theoretical analysis confirms system feasibility.
Experimental results demonstrate effective target vibration mode reconstruction.
System achieves enhanced anti-interference and phase resolution.
Abstract
Coherent detection ghost imaging lidar (CD-GI lidar) integrates ghost imaging with coherent detection, thereby achieving enhanced anti-interference and phase-resolved imaging capability. Here, we propose a bucket-detector-based multi-mode coherent detection scheme for CD-GI lidar, where the reflected multi-mode light fields are coherently mixed with a single-mode local oscillator (LO) at the bucket detector photosensitive plane. The bucket-detector-based multi-mode CD-GI lidar system breaks the constraints of Siegman antenna theorem by utilizing field correlation to decouple the reflected multi-mode light fields and reconstructs the spatial distribution of targets' vibration modes. Theoretical analysis of the bucket-detector-based multi-mode CD-GI lidar system is presented in this work, and its feasibility is verified through a series of experiments.
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Taxonomy
TopicsRandom lasers and scattering media · Near-Field Optical Microscopy · Solid State Laser Technologies
