24 March 2016 Adaptive optofluidic lens(es) for switchable 2D and 3D imaging
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Abstract
The stereoscopic image is often captured using dual cameras arranged side-by-side and optical path switching systems such as two separate solid lenses or biprism/mirrors. The miniaturization of the overall size of current stereoscopic devices down to several millimeters is at a sacrifice of further device size shrinkage. The limited light entry worsens the final image resolution and brightness. It is known that optofluidics offer good re-configurability for imaging systems. Leveraging this technique, we report a reconfigurable optofluidic system whose optical layout can be swapped between a singlet lens with 10 mm in diameter and a pair of binocular lenses with each lens of 3 mm in diameter for switchable two-dimensional (2D) and three-dimensional (3D) imaging. The singlet and the binoculars share the same optical path and the same imaging sensor. The singlet acquires a 3D image with better resolution and brightness, while the binoculars capture stereoscopic image pairs for 3D vision and depth perception. The focusing power tuning capability of the singlet and the binoculars enable image acquisition at varied object planes by adjusting the hydrostatic pressure across the lens membrane. The vari-focal singlet and binoculars thus work interchangeably and complementarily. The device is thus expected to have applications in robotic vision, stereoscopy, laparoendoscopy and miniaturized zoom lens system.
Conference Presentation
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Hanyang Huang, Hanyang Huang, Kang Wei, Kang Wei, Yi Zhao, Yi Zhao, } "Adaptive optofluidic lens(es) for switchable 2D and 3D imaging", Proc. SPIE 9705, Microfluidics, BioMEMS, and Medical Microsystems XIV, 97050P (24 March 2016); doi: 10.1117/12.2211232; https://doi.org/10.1117/12.2211232
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