Automatic Internal Stray Light Calibration of AMCW Coaxial Scanning LiDAR Using Black and White Image Patterns

Lee, Sung-Hyun; Lim, Yoon-Seop; Kwon, Wook-Hyeon; Park, Yong-Hwa

doi:10.1109/tim.2023.3343786

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2024

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Cited by 2 publications

References 31 publications

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Design and Development of a 3D Object Imaging System Using Biaxial LiDAR with a Combined Motor Servo

Rianaris,

Ahmad,

Hapiddin

et al. 2024

2024 IEEE International Conference on Aerospace Electronics and Remote Sensing Technology (ICARES)

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Design and Development of a 3D Object Imaging System Using Biaxial LiDAR with a Combined Motor Servo

Rianaris,

Ahmad,

Hapiddin

et al. 2024

2024 IEEE International Conference on Aerospace Electronics and Remote Sensing Technology (ICARES)

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Establishing equivalent circuits of mounted, high-power VCSEL arrays for iToF cameras

Liu,

Wang,

Zhang

et al. 2024

Opt. Lett.

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Solid-state indirect time-of-flight (iToF) cameras are crucial to numerous short-to-medium-range applications, owing to their advantages in terms of system integrability and long-term reliability. However, due to the low light intensity, the sensing range of iToF cameras is generally limited to a few meters, which hinders their wide applications. Further increasing the sensing range requires not only higher-power laser diodes but also well-designed driver circuits, which are based on prior knowledge of the laser diodes’ equivalent circuits (ECs). However, experimental studies on ECs of a mounted, high-power vertical-cavity surface-emitting laser (VCSEL) array that comprehensively incorporates all parasitic components, especially parasitic stemming from printed circuit boards (PCBs), remain absent. In this Letter, an 850 nm VCSEL array with a 15.3 W peak power and a 581 MHz bandwidth is fabricated, and more importantly, its EC is experimentally established. Leveraging the accurate EC, a compact iToF camera with a sensing range up to 11.50 m is designed. In addition, a modified precision model is proposed to better evaluate the iToF camera’s performance.

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Automatic Internal Stray Light Calibration of AMCW Coaxial Scanning LiDAR Using Black and White Image Patterns

Cited by 2 publications

References 31 publications

Design and Development of a 3D Object Imaging System Using Biaxial LiDAR with a Combined Motor Servo

Design and Development of a 3D Object Imaging System Using Biaxial LiDAR with a Combined Motor Servo

Establishing equivalent circuits of mounted, high-power VCSEL arrays for iToF cameras

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