Optical performance of a PDMS tunable lens with automatically controlled applied stress

Angel S. Cruz-Felix; Agustín Santiago-Alvarado; Arturo Hernández-Méndez; Emilio R. Reyes-Pérez; Eduardo Tepichín-Rodriguez

doi:10.1117/12.2238348

28 September 2016 Optical performance of a PDMS tunable lens with automatically controlled applied stress

Angel S. Cruz-Felix, Agustín Santiago-Alvarado, Arturo Hernández-Méndez, Emilio R. Reyes-Pérez, Eduardo Tepichín-Rodriguez

Author Affiliations +

Proceedings Volume 9947, Current Developments in Lens Design and Optical Engineering XVII; 99470F (2016) https://doi.org/10.1117/12.2238348
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

The advances in the field of adaptive optics and in the fabrication of tunable optical components capable to automatically modify their physical features are of great interest in areas like machine vision, imaging systems, ophthalmology, etc. Such components like tunable lenses are used to reduce the overall size of optical setups like in small camera systems and even to imitate some biological functions made by the human eye. In this direction, in the last years we have been working in the development and fabrication of PDMS-made tunable lenses and in the design of special mechanical mounting systems to manipulate them. A PDMS-made tunable lens was previously designed by us, following the scheme reported by Navarro et al. in 1985, in order to mimic the accommodation process made by the crystalline lens of the human eye. The design included a simulation of the application of radial stress onto the lens and it was shown that the effective focal length was indeed changed. In this work we show the fabrication process of this particular tunable lens and an optimized mechanism that is able to automatically change the curvature of both surfaces of the lens by the application of controlled stress. We also show results of a study and analysis of aberrations performed to the Solid Elastic Lens (SEL).

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Angel S. Cruz-Felix, Agustín Santiago-Alvarado, Arturo Hernández-Méndez, Emilio R. Reyes-Pérez, and Eduardo Tepichín-Rodriguez "Optical performance of a PDMS tunable lens with automatically controlled applied stress", Proc. SPIE 9947, Current Developments in Lens Design and Optical Engineering XVII, 99470F (28 September 2016); https://doi.org/10.1117/12.2238348

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