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Abstract
An economical, pollution-free microsphere-based widefield scanning imaging method is presented. This system is able to visualize the surface pattern of the sample through a transparent dielectric microsphere stuck onto a glass probe. The microsphere endows the system with super-resolution capability, while the field of view can easily be expanded by scanning and image stitching. The feasibilities and advantages of this method have been verified experimentally.
Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Funding
This work is financially supported by National Natural Science Foundation of China [grant number 61405183], [grant number 61177050].