期刊
AIP ADVANCES
卷 12, 期 12, 页码 -出版社
AIP Publishing
DOI: 10.1063/5.0131170
关键词
-
资金
- National Science Foundation (NSF)
- NSF
- [2132929]
- [1541959]
In this study, a 500 μm diameter metalens operating at 1300 nm was designed, analyzed, and fabricated to achieve high resolution and large imaging depth of focus, improving the clinical utility of endoscopic optical imaging.
High-resolution endoscopic optical imaging is a crucial technique in biological imaging to examine the inside organs. There is a trade-off between lateral resolution and depth of focus in such applications. Traditional Optical Coherence Tomography provides an increased depth range but falls short of desired resolution. The combination of both higher resolution and larger imaging depth of focus of metalens can improve the clinical utility of endoscopic optical imaging. In this work, we designed, analyzed, and fabricated a 500 mu m diameter metalens operating at 1300 nm to achieve high resolution and large imaging depth of focus, therefore, addressing this need. The full width at half maximum and depth of focus for the proposed metalens are 3.10 and 286 mu m, respectively. (C) 2022 Author(s).
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