关于固态激光雷达原理和基于地表的 LiDAR 传感器的综述
Elif Demirbas1, Braden Boucher1, Matthew Baker1
1Department of Physics, Photonics and Optical Engineering, Bridgewater State University, Bridgewater, MA 02324, USA.
Sensors (Basel, Switzerland)
|January 10, 2026
概括
超表面为自动驾驶汽车中的光检测和距离 (LiDAR) 提供先进的光束方向盘. 这些固态解决方案为传统机械系统提供了紧,坚固和适应性的替代方案,提高了性能和可靠性.
科学领域:
- 光学和光子学 在光学和光子学.
- 自主系统工程 自主系统工程
- 材料科学 材料科学 材料科学
背景情况:
- 传统的机械光检测和测距 (LiDAR) 系统面临速度,可靠性和形式因素的限制.
- 固态LiDAR,利用微电机系统 (MEMS) 和光学相控阵列 (OPA),提供了一个更强大,更紧的替代方案.
- 超表面,特别是二维光学超表面,正在成为LiDAR中高级光束转向的关键组件.
研究的目的:
- 审查 LiDAR 应用中超表面束转向机制的原理.
- 讨论超表面如何实现光的相位移和角度偏移.
- 为了比较基于地表 LiDAR 的视野 (FOV) 优势.
主要方法:
- 关于固定光束方向的静态元表面的讨论.
- 动态 (可调节) 超表面的分析,用于可适应的光束扫描.
- 与传统机械系统相比,地表LiDAR性能的比较审查.
主要成果:
- 超表面为LiDAR提供了平面光学,强大的性能和不移动的部件.
- 动态元表面对于LiDAR系统中的实时光束扫描至关重要.
- 基于metasurface的LiDAR提供了更快的扫描速度,更高的可靠性和更大的视野.
结论:
- 基于metasurface的LiDAR是自动驾驶汽车的一个有前途的技术,因为它具有固有的优势.
- 可调节的超表面对于实现高效和可适应的光束扫描至关重要.
- 在LiDAR中采用元表面意味着与传统扫描机制相比取得了重大进展.
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