Two Hundred Nanometer Thin Multifocal Graphene Oxide Metalens for Varying Magnification Broadband Imaging
Source abstract
Abstract
Conventional microscopes, which rely on multiple objective lenses for varying magnifications, are bulky, complex, and costly, making them difficult to integrate into compact devices. They require frequent manual adjustments, complicating the imaging process and increasing maintenance burdens. This paper explores the potential of single ultrathin graphene metalens to address this issue. We propose and demonstrate a 200 nm thin multiaxial focus graphene metalens with high-quality focusing, designed using spatial multiplexing and fabricated by one-step laser nanoprinting. A five-focal graphene metalens has been created, achieving clear imaging with varying magnifications across a broadband covering the entire visible wavelength. The graphene metalens has significantly reduced the size of the imaging system by orders of magnitude and holds profound potential for facilitating the integration and miniaturization of optical microscopic systems.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Metamaterials and Metasurfaces Applications · Plasmonic and Surface Plasmon Research · Thermal Radiation and Cooling Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Nanophotonics Research Center, Institute of Microscale Optoelectronics and State Key Laboratory of Radio Frequency Heterogeneous
Shenzhen University
Centre for Atomaterials and Nanomanufacturing (CAN), School of Science
RMIT University
Hawkesbury Institute for the Environment
Western Sydney University
Innovation Photonics and Imaging Center, School of Instrumentation Science and Engineering
Harbin Institute of Technology
Funding
Australian Research Council · National Natural Science Foundation of China · Centre of Excellence Program · Industrial Transformation Training Centres scheme · Linkage Project scheme · Shenzhen University 2035 Program for Excellent Research
References (59)
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