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- Title
Electrowetting lens with large aperture and focal length tunability.
- Authors
Song, Xiaomin; Zhang, Hongxia; Li, Dongyang; Jia, Dagong; Liu, Tiegen
- Abstract
The electrowetting lenses has attracted researchers in many fields, such as biology, beam shaping, and drug delivery. Previous research on electrowetting lens has focused on neither expanding the dynamic focal length range nor reducing the wavefront aberration. However, the properties with large numerical aperture and low aberration are also essential properties of lenses, and can promote their application. Therefore, we calculated the meniscus of the lens with different optical apertures, and subsequently, analyzed the relations among the focal length, wavefront aberration, and optical aperture. To expand the focal length range, we designed an electrowetting-based triple-liquid lens with a root-mean-square wavefront aberration error of less than 1/4 waves.
- Subjects
LENSES; WETTING; ELECTRIC fields; OPTICAL apertures; FOCAL length; CONTACT angle; OPTICAL aberrations; WAVEFRONTS (Optics)
- Publication
Scientific Reports, 2020, Vol 10, Issue 1, pN.PAG
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/s41598-020-73260-4