Analytical Modeling of Perimeter Gated SPAD-based LiDAR Sensor

被引:0
|
作者
Irfan, Nahin [1 ]
Shawkat, Mst Shamim Ara [1 ]
机构
[1] Florida Int Univ, Dept Elect & Comp Engn, Miami, FL 33174 USA
来源
17TH IEEE DALLAS CIRCUITS AND SYSTEMS CONFERENCE, DCAS 2024 | 2024年
关键词
Light detection and ranging (LiDAR); Dark count rate (DCR); Single photon avalanche diode (SPAD); PHOTON AVALANCHE-DIODES;
D O I
10.1109/DCAS61159.2024.10539913
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
This paper presents a new analytical model for a Light Detection and Ranging (LiDAR) system using perimeter-gated single photon avalanche diodes (SPADs) based flash sensors. We have developed a Monte Carlo simulator to analyze the performance of perimeter-gated SPADs based LiDAR system for low-light scenarios. A perimeter-gated SPAD is an upgraded version of a Single Photon Avalanche Diode (SPAD). It has a third terminal, a gate, to reduce the perimeter edge break-down without unduly expanding the device's surface area. In addition, dark count rate, breakdown voltage, and dynamic range characteristics are all can be modified by the applied gate voltage. The simulation environment has been designed to precisely simulate the parts of a flash LiDAR system, including the optics, illumination source, and the perimeter-gated SPAD-based CMOS image sensor architecture. Results show that the applied gate voltage of the perimeter-gated SPAD improves the noise performance in the LiDAR system.
引用
收藏
页数:5
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