研究目的
To demonstrate how dispersion-engineered metasurfaces can correct chromatic aberrations in lenses over a broad bandwidth, from simple singlet lenses to sophisticated microscope objectives, with unprecedented compactness.
研究成果
Dispersion-engineered metasurfaces can correct chromatic aberrations in refractive lenses from simple singlet lenses to sophisticated microscope objectives with unprecedented compactness. This technology has potential applications in imaging, spectroscopy, and augmented reality devices.
研究不足
The study does not address the potential challenges in scaling up the fabrication of these metasurfaces for industrial applications or their performance under extreme environmental conditions.
1：Experimental Design and Method Selection:
The study employs dispersion-engineered metasurfaces designed with anisotropic nanofins to control phase, group delay, and group delay dispersion.
2：Sample Selection and Data Sources:
The metasurfaces are designed to work in tandem with a singlet lens from Thorlabs and a Zeiss microscope objective.
3：List of Experimental Equipment and Materials:
TiO2 nanofin elements, fused silica singlet lens from Thorlabs, and a Zeiss microscope objective.
4：Experimental Procedures and Operational Workflow:
The metasurfaces are fabricated and tested under incoherent and broadband illumination to correct chromatic aberrations.
5：Data Analysis Methods:
Imaging results are compared with and without the metasurface to evaluate the correction of chromatic aberrations.
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