LiDAR is a very useful technology that can help us measure and locate the distance and position of various objects. It is a technology that uses lasers to detect the distance and position of objects. The working principle of LiDAR is: when a laser pulse is emitted, the laser pulse will refract and spread out, hit an object, and reflect back. This can accurately measure the distance and position of an object.
The operating frequency and wavelength of LiDAR are both very important parameters, which directly affect the performance of LiDAR. The higher the operating frequency of LiDAR, the faster the scanning speed and the higher the detection accuracy. The shorter the wavelength of LiDAR, the stronger its penetration ability and the longer the detection distance.
Frequency and wavelength
The common operating frequencies of LiDAR are 120GHz, 10GHz, 5GHz, 1GHz and 500KHz, etc. The common wavelengths of LiDAR are 850nm, 980nm and 1550nm, etc. Among them, LiDAR with a wavelength of 850nm is mainly used in radio networks, LiDAR with a wavelength of 980nm is mostly used in laser display, and LiDAR with a wavelength of 1550nm is often used in "ultra-critical" optical fiber communication systems and laser focusing technology.
In addition, there are many other special-purpose lidars, such as high peak power lidar, which can operate at frequencies up to 50GHz for laser welding; millimeter wave lidar, whose wavelength can reach 1.5mm, is used to measure the concentration of particulate air pollutants; multispectral lidar, whose wavelength can range from ultraviolet to near infrared, is used for planting and agriculture.
As can be seen from the above, the operating frequency and wavelength of lidar are very important, and they can provide different functions and performance. Therefore, when designing a lidar system, its operating frequency and wavelength must be determined according to the system's functions and performance.
In summary, the operating frequency and wavelength of LiDAR are important parameters that affect the performance of LiDAR. Correctly selecting and configuring these parameters can enable the LiDAR system to achieve the best performance and the best results.
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