Varifocal Diffractive Alvarez Lens

10× zoom range

Dielectric elastomer actuation enables continuous zoom in a thin diffractive lens, suitable for compact imaging systems like endoscopes.

Qun, Hao · Lin, Liu · Cao, Jie · Mengyao, Liu · Yangqi, Ou · Cheng, Yang

Optics and Lasers in Engineering 2024

Specifications

焦距比高

{'zh': '10', 'en': ''} 倍

最大焦距

{'zh': '300', 'en': ''} mm

透镜厚度

{'zh': '4', 'en': ''} mm

处平均衍射效率

{'zh': '82', 'en': ''} %