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

• 作者: Bo Dai Zhengmeng Zhou Yan Long Mingliang Pan Zeyuan Song Dawei Zhang
• 来源期刊: 中国光学快报（英文版）
• 年，卷（期）: 2021,（10）
• 所属期刊栏目: Optical Design and Fabrication
• 页码范围: 55-60
• 页数: 6页
• 语种: 英文
• DOI: 10.3788/COL202119.102201

摘要

A straightforward,cost-effective scheme for fabricating multi-focus droplet lens arrays is proposed.Mini lenses can be rapidly produced by dripping liquid-state polydimethylsiloxane droplets on the square glass substrate.The focal length of the lenses can be precisely controlled by adjusting the mass of the droplet.A group of prepared mini lenses can be flexibly assembled in a three-dimensional printed mount.The lenses are tightly packed together,ensuring a high filling factor of the lens array.The lens array consisting of the mini lenses with a proper combination of focal length can capture images of interests at different depth.