Fig. 1. Structure and imaging principle of all-solid-state lidar based on magneto-optical switch. (a) Diagram of all-solid-state time division multiplexing lidar system based on magneto-optical switch; (b) schematic of the position coordinate (d_x, d_y) of the optical fiber array relative to the optical axis of the lens and the spatial position coordinate (r, θ, s) of the detection target point P; (c) schematic of improving beam angular resolution by dithering the lens or fiber array

Fig. 2. Time-domain relation diagram of 1×8 magneto-optical switch's different channel optical signal and driving pulse signal

Fig. 3. Four targets (toy car model) at different distances away from the all-solid-state time division multiplexing lidar system based on magneto-optical switch are sensed. (a) Photo of the experiment showing four toy cars placed 1.93, 3.25, 4.54, 5.46 m, respectively, away from the lens; (b) time domain relation diagram of echo signal and reference signal of four toy cars in different positions; (c) 3D point cloud of four toy cars in different positions (total of 8 detection points)

Fig. 4. Three-dimensional sensing of cube box sensed by all solid-state time division multiplexing lidar system based on magneto-optical switch. (a) Photo of the experiment showing cube box 3D imaging; (b) 3D point cloud of cube box

Table 1. Performance parameters of the 1×8 magneto-optical switch