Maoting Zeng, Jun Lou, Songyuan Cen, Tongrui Gao. Design Method for Double Free-Form Surface with Uniform Illumination Based on an Extended Light Source[J]. Laser & Optoelectronics Progress, 2023, 60(19): 1922001
- Laser & Optoelectronics Progress
- Vol. 60, Issue 19, 1922001 (2023)
Fig. 1. Schematic design of double free-form surface lens
Fig. 2. Schematic design of double free-form surface lens
Fig. 3. Schematic diagram of double free-form surface lens
Fig. 4. Schematic diagram of adjusting the target vector of interface
Fig. 5. Profiles of double free-form surface lens
Fig. 6. Light cone diagram of outer surface
Fig. 7. Model of double free-form surface lens
Fig. 8. Illumination comparison chart of two design methods. (a) Design method based on extended source; (b) design method based on point source
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