Xuanyu WANG, Yihan YANG, Yueyan SHI, Yang LI, Lihao HUANG, Guorong SUI. Design of zoomable laser searchlight based on photoluminescence technology[J]. Optical Instruments, 2024, 46(3): 80
- Optical Instruments
- Vol. 46, Issue 3, 80 (2024)
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
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Table 1. Optical parameters of laser module at 1 A current
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Table 2. Reflection bowl brightness gain measurement results
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