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Continuous-phase Lens Design via Binary Dielectric Annular NanoslitsContinuous-phase Lens Design via Binary Dielectric Annular Nanoslits
- Other Titles
- Continuous-phase Lens Design via Binary Dielectric Annular Nanoslits
- Issue Date
- Jun-2023
- Publisher
- 한국광학회
- Keywords
- Effective medium theory; Lens system design; Nanostructures; Subwavelength structures
- Citation
- Current Optics and Photonics, v.7, no.3, pp 304 - 309
- Pages
- 6
- Journal Title
- Current Optics and Photonics
- Volume
- 7
- Number
- 3
- Start Page
- 304
- End Page
- 309
- ISSN
- 2508-7266
2508-7274
- Abstract
- In this study, a binary dielectric annular nanoring lens is proposed to cover the full range of optical phase. The lens is designed numerically, based on the effective-medium theory. The performance of the proposed lens is verified for the cases of single-focal and dual-focal lenses. The efficiency of a singlefocal lens is improved by 17.19% compared to a binary dielectric lens, and that of a dual-focal lens shows enhancements of 13.11% and 49.41% at the two focal points. This lens design can be applied to other optical components with axially symmetric structures.
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Related Researcher
- Kim, Hyun tai
- Science & Technology (Department of Electronic & Electrical Convergence Engineering)