iToF is an optical ranging method that utilizes the flight time of light. It is widely applied in Lidar, depth cameras and other 3D depth perception sensors. Therefore, the speed of light can be measured by Lidar under the condition of known distance. Through the experimental device composed of laser module, track, reflective blocks component and controller, students can understand the principle of measuring the speed of light based on flight time measurement and the refractive index of different media, as well as the principle of measuring the speed of light by iToF phase method.
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