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Nowadays, if you have a microscope, you probably have a camera of some sort attached. [Applied Science] shows how you can add an array of tiny LEDs and some compute power to produce high-resolution… ...
More information: Jiacheng Sun et al, High-resolution and wide-field microscopic imaging with a monolithic meta-doublet under annular illumination, Advanced Photonics (2025). DOI: 10.1117/1.AP.7.4 ...
A spectrometer using double-layer disordered metasurfaces enables high-resolution (1 nm) wavelength measurement across 440–1,300 nm in a device smaller than 1 cm.
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