Electrically tunable gradient-index lenses via liquid crystals: beyond the power law

Yi Hsin Lin*, Wei Cheng Cheng, Victor Reshetnyak, Hao Hsin Huang, Ting Wei Huang, Chang Chiang Cheng, Yung Hsun Wu, Chiu Lien Yang

*此作品的通信作者

研究成果: Article同行評審

4 引文 斯高帕斯(Scopus)

摘要

In this study we present an investigation of electrically tunable progressive lenses utilizing liquid crystals (LC). We introduce a polarized progressive LC lens capable of dynamically adjusting its focal length, functioning as either a positive or negative lens. Our findings reveal that the spatial distribution of lens power within the progressive LC lens, ranging from +4D to -3D, far surpassing the range of -0.87D to +0.87D which one may expect within the parabolic wavefront approximation. For a lens with a 30 mm aperture a total tunable range is 7.6 D (from +5.6D to -2D) which is 4.75 times larger than the traditional parabolic prediction∼1.6D (from +0.8D to -0.8D). This study not only challenges conventional limitations set by optical phase differences in gradient-index LC lenses (the power law) but also ushers in a new possibility for ophthalmic applications. The profound insights and outcomes presented in this paper redefine the landscape of LC lenses, paving the way for transformative advancements in optics and beyond.

原文English
頁(從 - 到)37843-37860
頁數18
期刊Optics Express
31
發行號23
DOIs
出版狀態Published - 6 11月 2023

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