双模式LiDAR SoC,带有芯片上的界面波器和通用光学平台设计,用于基石校正和自动对焦
Applied optics
|October 19, 2023
概括
本研究介绍了一种用于投影机的智能传感系统,该系统使用了一种新的光检测和测距 (LiDAR) 芯片上的系统. 它实现了精确的自动对焦和基石校正,以提高投影仪的性能.
科学领域:
- 光电学是指光电子产品.
- 计算机视觉 计算机视觉
- 集成电路 集成电路
背景情况:
- 智能传感增强了投影机的功能.
- 激光雷达技术提供了精确的距离测量功能.
研究的目的:
- 为投影仪开发一个集成的LiDAR系统芯片.
- 为了实现准确的自动对焦和基石校正.
- 为了提高投影仪在各种照明条件下的性能.
主要方法:
- 整合了直接的飞行时间技术.
- 开发一个轻量级,双模式光学集成的LiDAR系统.
- 使用单光子雪崩二极管和时间到数字转换器,采用0.13μm双极CMOS DMOS技术.
- 整合了芯片上的跨框架过器,共同的光学平台和基石校正算法.
主要成果:
- 在自动对焦模式下 (模拟30米潜力) 实现了11米的测量范围,1%的相对精度.
- 启用了±30°内的高/秒基石校正,误差为±2°.
- 在20 klux照明下有效运行.
结论:
- 集成的LiDAR系统芯片为投影仪自动聚焦和基石校正提供了强大的解决方案.
- 这项技术提高了投影仪的准确性和可用性.
- 该系统展示了先进投影仪功能和性能的潜力.
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