Table 2 Critical parameters of three typical prototypes
3D imaging characteristics | View modulator in Fig. 3e | View modulator in Fig. 5a | View modulator in Fig. 5b |
|---|---|---|---|
Screen size | 12 cm × 9 cm | 5.4 cm × 5.4 cm | 20.6 cm × 12.9 cm |
View number | 9 | 36 | 9 |
Field of view | 160° | 160° | 160° |
Number of pixels | 2400 × 1800 | 3600 × 1200 | 1280 × 800 |
Sub-pixel size | 50 μm × 50 μm | 15 μm × 45 μm | 108 μm × 108 μm |
Angular separation | 10° (center) | 3° (center) | 10° (center) |
30° (edge) | 8.5° (edge) | 30° (edge) | |
Information densitya | 80 PPD (center) | 200 PPD (center) | 42.6 PPD (center) |
26.7 PPD (edge) | 70.6 PPD (edge) | 14.2 PPD (edge) |
