Fig. 1. Laser beam combination realized by reflector

Fig. 2. Principle of beam translation realized by rhombic prism

Fig. 3. Optical system diagram of laser searchlight

Fig. 4. Optical system diagram of a dual path laser module

Fig. 5. Spectral transmittance curve of dichroic film at 45°

Fig. 6. Uniform light film and diffuse light spot

Fig. 7. Reflective bowl to achieve light recovery principle

Fig. 8. Two types of ceramic chips

Fig. 9. Dual-path laser module

Fig. 10. Spectral curve of laser module at 1 A current

Fig. 11. Curve of the flux and efficiency of a laser module as a function of the laser current

Fig. 12. Photo of glass reflective bowl and black shade

Fig. 13. Laser searchlight display effect