Harvard University ALD-prepared TiO2 nanofin planar lens for high res imaging

Researchers at Harvard University have developed a metasurface platform for visible wavelengths based on ALD-prepared TiO2 nanofins. By doing so they can fabricate a metalens for high-resolution imaging with a planar and compact configuration. Fabrication is made by using a simple one-step lithography integration ensures a high-performance and versatile platform that could find many applications in optics, ranging from imaging and spectroscopy to laser-fabrication processes.

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