Haiyang Wang, Zhiliang Jin, Peipei Wang, Daxi Xiong. Study on Effect of TIR Lens and Reflector for LED Collimation[J]. Laser & Optoelectronics Progress, 2021, 58(19): 1922001
- Laser & Optoelectronics Progress
- Vol. 58, Issue 19, 1922001 (2021)
Fig. 1. Diagram of TIR lens
Fig. 2. Diagram of reflector
Fig. 3. Light of LED
Fig. 4. Range of TIR lenses and reflector at different calibres
Fig. 5. Spot diameters of TIR lens and reflector at different distances. (a) 100 m; (b) 1×104 times aperture of optical system
Fig. 6. Illuminance distribution curves under different conditions. (a) ΦTIR=50 mm, HTIR=25 mm, distance is 500 m; (b) ΦTIR=100 mm, HTIR=50 mm, distance is 1 km; (c) ΦTIR=200 mm, HTIR=100 mm, distance is 2 km; (d) ΦTIR=300 mm, HTIR=150 mm,distance is 3 km; (e) ΦTIR=400 mm, HTIR=200 mm,distance is 4 km; (f) ΦTIR=500 mm, HTIR=250 mm, distance is 5 km
Fig. 7. Ray diagram of TIR lens and reflector. (a) TIR lens; (b) reflector
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Table 1. Simulation results
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