Large aperture and polarizer-free liquid crystal lenses for ophthalmic applications

Yi-Hsin Lin; Hung-Shan Chen; Chia-Ming Chang; Yu-Jen Wang

doi:10.1117/12.2063425

7 October 2014 Large aperture and polarizer-free liquid crystal lenses for ophthalmic applications

Yi-Hsin Lin, Hung-Shan Chen, Chia-Ming Chang, Yu-Jen Wang

Proceedings Volume 9182, Liquid Crystals XVIII; 91820B (2014) https://doi.org/10.1117/12.2063425
Event: SPIE Organic Photonics + Electronics, 2014, San Diego, California, United States

Abstract

Large aperture and polarizer-free liquid crystal lenses (LC lenses) based on a double-layered structure for ophthalmic applications are demonstrated. The polarizer-free LC lens functions as both of a positive lens and a negative lens with large aperture size of 10mm. The lens power is electrically and continuously tunable ranging from -1.32 Diopter to 1.83 Diopter. To demonstrate the polarization independency, the wavefronts of the LC lenses under different polarized light were measured and discussed. The detail operations of the applied voltage and frequency are also discussed. The imaging performance of the LC lens is also evaluated. This study provide a detail understanding of the polarizer-free LC lenses based on a double-layered structure.

Citation Download Citation

Yi-Hsin Lin, Hung-Shan Chen, Chia-Ming Chang, and Yu-Jen Wang "Large aperture and polarizer-free liquid crystal lenses for ophthalmic applications", Proc. SPIE 9182, Liquid Crystals XVIII, 91820B (7 October 2014); https://doi.org/10.1117/12.2063425

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