Optofluidic lens with low spherical and low field curvature aberrations

H. T. Zhao, Y. Yang, L. K. Chin, H. F. Chen, W. M. Zhu, J. B. Zhang, P. H. Yap, B. Liedberg, K. Wang, G. Wang, W. Ser, A. Q. Liu

研究成果: 雜誌貢獻文章同行評審

28 引文 斯高帕斯(Scopus)

摘要

This paper reports an optofluidic lens with low spherical and low field curvature aberrations through the desired refractive index profile by precisely controlling the mixing between ethylene glycol and deionized water in an optofluidic chip. The experimental results demonstrate that the spherical aberration is reduced to 19.5 μm and the full width at half maximum of the focal point is 7.8 μm with a wide divergence angle of 35 degrees. In addition, the optofluidic lens can focus light at different off-axis positions on the focal plane with Δx′ < 6.8 μm and at opposite transverse positions with Δy - Δy′ < 5.7 μm. This is the first demonstration of a special optofluidic lens that significantly reduces both the spherical and field curvature aberrations, which enhances the focusing power and facilitates multiple light source illumination using a single lens. It is anticipated to have high potential for applications such as on-chip light manipulation, sample illumination and multiplexed detection.
原文英語
頁(從 - 到)1617-1624
頁數8
期刊Lab on a Chip
16
發行號9
DOIs
出版狀態已發佈 - 1月 1 2016

ASJC Scopus subject areas

  • 生物工程
  • 生物化學
  • 化學 (全部)
  • 生物醫學工程

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