Adaptive optics correction of a tunable fluidic lens for ophthalmic applications

Yiin Kuen Fuh, Ming Xin Lin

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Tunable fluidic lenses are utilizing curvature change via continuously adjusting injected liquid volumes to achieve variable-focusing properties. Nevertheless, the nature of curvature change and refractive index mismatch causes inherent spatial aberrations that severely degrade image quality. Here we present the experimental study of the aberrations in tunable fluidic lenses and use of adaptive optics to compensate for the wavefront errors. Adaptive optics based scheme is demonstrated for three injected liquid volumes, resulting in a substantial reduction of the wavefront errors from 0.42, 1.05, 1.49 to 0.20, 0.21, 0.23 μm, respectively, corresponding to the focal length tunability of 100-200 mm.

Original languageEnglish
Pages (from-to)100-104
Number of pages5
JournalOptics Communications
Volume308
DOIs
StatePublished - 2013

Keywords

  • Adaptive optics
  • Ophthalmic
  • Tunable lens

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