Multi-Focal-Length Curved Microlens Array Based on Electric Inkjet Technology

Fig. 8. multi-focal-length test imaging effect picture. (a) Grid paper imaging source; (b) grid paper imaging photo; (c) digital imaging source; (d) (e) digital imaging photo

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Table 1. Initial parameters of the curved microlens array model
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Table 1. Initial parameters of the curved microlens array model
Parameter Value
Radius of the base R /mm 12
Base floor height H /mm 7
Base image plane distance X /mm 1
Contact angle α /（°） 10
Adjacent optical axis angle θ /（°） 10
Refractive index n 1.45

Table 2. Optical parameters of each lens
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Table 2. Optical parameters of each lens
Microlens Focal length f /mm Optical axis angle γ /（°） Focal plane p /mm
Central lens 6.23 0 0
1st ring array 5.82 12.1 -0.15
2nd ring array 5.21 22.3 -0.37
3rd ring array 4.90 32.8 -0.13

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Jinkui Chu, Rui Liu, Jianying Liu, Jiaxin Fu. Multi-Focal-Length Curved Microlens Array Based on Electric Inkjet Technology[J]. Laser & Optoelectronics Progress, 2024, 61(9): 0913001

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