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Meta-surface corrects for chromatic aberrations

In this recent published work, we show that a metalens may be directly integrated with an endoscope to improve the resolution of optical coherence tomography (OCT) imaging of lung tissue. The metalens enables high-resolution endoscopic imaging at extended depth-of-focus by correcting for monochromatic aberrations and engineering chromatic dispersion. High-resolution three-dimensional images were captured by inserting the nano-optic endoscope into the lungs endobronchially to visualize airway tissue microstructures. It is published inNature Photonics, press release from SEAS Harvard News and Phys.org.

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