Miniaturized tunable imaging system inspired by the human eye

We demonstrate the combination of a tunable lens and tunable aperture in a compact imaging system whose structure is inspired by the human eye. The concept is based on innovative optical materials and tuning mechanisms including an optofluidic iris for a tunable aperture and an elastomer lens for fo...

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Bibliographic Details
Published in:Optics letters 2013-10, Vol.38 (20), p.3991-3994
Main Authors: Schuhladen, Stefan, Petsch, Sebastian, Liebetraut, Peter, Müller, Philipp, Zappe, Hans
Format: Article
Language:English
Subjects:
Apertures
Biomimetics - instrumentation
Elastomers
Eye
Human
Humans
Imaging
Lenses
Miniaturization - instrumentation
Modulation transfer function
Optical Imaging - instrumentation
Tuning
Wave fronts
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Summary:We demonstrate the combination of a tunable lens and tunable aperture in a compact imaging system whose structure is inspired by the human eye. The concept is based on innovative optical materials and tuning mechanisms including an optofluidic iris for a tunable aperture and an elastomer lens for focal length tuning. Wavefront and modulation transfer function analysis reveals a high imaging performance of both the individual elements and the complete system. Most significantly, the wavefront is not degraded (ΔPV
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.38.003991