Multi-focused droplet lens array inspired by movable-type printing technology

Bo Dai; Zhengmeng Zhou; Yan Long; Mingliang Pan; Zeyuan Song; Dawei Zhang

doi:doi:10.3788/COL202119.102201

Chinese Optics Letters, 2021, 19 (10): 102201, Published Online: Jul. 23, 2021

Multi-focused droplet lens array inspired by movable-type printing technology Download： 550次

Bo Dai Zhengmeng Zhou Yan Long Mingliang Pan Zeyuan Song Dawei Zhang ^*

Author Affiliations

Engineering Research Center of Optical Instrument and System, Ministry of Education and Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China

Figures & Tables

Fig. 1. (a) Fabrication procedure of the lens array. (b) Photos of the fabricated lenses and the assembled lens array.

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Fig. 2. (a) Experimental setup for measuring the image distance. (b) Captured image of the focused light spots. (c) The relation between the image distance and the mass of the droplet.

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Fig. 3. Model of the square droplet lens.

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Fig. 4. (a) Side views of the lenses. (b) The relation between the curvature and the angle of the meridians. Solid line and dashed line represent the theoretical results.

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Fig. 5. (a) Experimental setup of the imaging system. (b) The images captured by the lens array equipped with four identical lenses.

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Fig. 6. (a) Schematic diagram of imaging using the lens array equipped with different lenses. (b)–(e) The images captured by the lens array when the object is placed at different distances away from the lens array.

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Fig. 7. Improvement of the lens array for eliminating astigmatism aberration in imaging. (a) Scheme 1: mounting and assembling round lenses together. (b) Scheme 2: assembling square lenses that are formed into a round shape and then cut into a square.

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Bo Dai, Zhengmeng Zhou, Yan Long, Mingliang Pan, Zeyuan Song, Dawei Zhang. Multi-focused droplet lens array inspired by movable-type printing technology[J]. Chinese Optics Letters, 2021, 19(10): 102201.

Multi-focused droplet lens array inspired by movable-type printing technology Download： 550次

Fig. 1. (a) Fabrication procedure of the lens array. (b) Photos of the fabricated lenses and the assembled lens array.

Fig. 2. (a) Experimental setup for measuring the image distance. (b) Captured image of the focused light spots. (c) The relation between the image distance and the mass of the droplet.

Fig. 3. Model of the square droplet lens.

Fig. 4. (a) Side views of the lenses. (b) The relation between the curvature and the angle of the meridians. Solid line and dashed line represent the theoretical results.

Fig. 5. (a) Experimental setup of the imaging system. (b) The images captured by the lens array equipped with four identical lenses.

Fig. 6. (a) Schematic diagram of imaging using the lens array equipped with different lenses. (b)–(e) The images captured by the lens array when the object is placed at different distances away from the lens array.

Fig. 7. Improvement of the lens array for eliminating astigmatism aberration in imaging. (a) Scheme 1: mounting and assembling round lenses together. (b) Scheme 2: assembling square lenses that are formed into a round shape and then cut into a square.

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Multi-focused droplet lens array inspired by movable-type printing technology Download： 550次

Fig. 1. (a) Fabrication procedure of the lens array. (b) Photos of the fabricated lenses and the assembled lens array.

Fig. 2. (a) Experimental setup for measuring the image distance. (b) Captured image of the focused light spots. (c) The relation between the image distance and the mass of the droplet.

Fig. 3. Model of the square droplet lens.

Fig. 4. (a) Side views of the lenses. (b) The relation between the curvature and the angle of the meridians. Solid line and dashed line represent the theoretical results.

Fig. 5. (a) Experimental setup of the imaging system. (b) The images captured by the lens array equipped with four identical lenses.

Fig. 6. (a) Schematic diagram of imaging using the lens array equipped with different lenses. (b)–(e) The images captured by the lens array when the object is placed at different distances away from the lens array.

Fig. 7. Improvement of the lens array for eliminating astigmatism aberration in imaging. (a) Scheme 1: mounting and assembling round lenses together. (b) Scheme 2: assembling square lenses that are formed into a round shape and then cut into a square.

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