期刊
IEEE NANOTECHNOLOGY MAGAZINE
卷 15, 期 1, 页码 38-51出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/MNANO.2020.3037433
关键词
Imaging; Optical imaging; Optical diffraction; Optical surface waves; Nonlinear optics; Biomedical optical imaging; Lighting
资金
- Fundamental Research Funds for the Central Universities [B200201053]
- National Natural Science Foundation of China [61727811, U1613220, 91748212]
- Hong Kong Research Grants Council [11205415]
- [JLFS/E-104/18]
Dielectric microspherical lens nanoscopy (DMN) is widely studied for optical superresolution imaging due to its unique optical properties, providing label-free, noninvasive nanoscale investigation capabilities.
The optical diffraction limit, also known as Abbe?s limit, has long been a barrier for the development of advanced optical microscopy, thus hampering attempts to explore subdiffraction-scale entities with light. Dielectric microobjects, such as microfibers and microspheres, display unique optical properties including photonic nanojet (PNJ) effects, optical whispering-gallery resonances, and optical directional antenna effects, which are benefits for nanoscale optical engineering applications, such as nanoimaging, nanopatterning, and nanodetection. Dielectric microspherical lens nanoscopy (DMN) has been widely studied for optical superresolution imaging because of its ability of label-free noninvasive nanoscale investigation. In this review article, we present the principles of DMN and recent advances in studies of imaging mechanism and imaging modes. An overview of DMN imaging applications in label-free superresolution imaging is summarized as well. Furthermore, other DMN applications, including microsphere-assisted laser nanopatterning and nonlinear optical effects enhancements, are also discussed.
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