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A broadband achromatic meta-lens

In recent work, we demonstrated a meta-lens achieving achromatic focusing and imaging throughout the visible regime, a functionality that using bulk optics ordinarily requires several lenses made of glass with carefully tuned chromatic dispersion.

This work was published in Nature Nanotechnology.

Reference:

A broadband achromatic metalens for focusing and imaging in the visible, W.T. Chen, A. Y. Zhu, V. Sanjeev, M. Khorasaninejad, Z. Shi, E. Lee, and F. Capasso, Nat Nano (2018)

More information:

Press release from Harvard SEAS.