#  Broadband achromatic metalens focuses light regardless of polarization 

 





February 19, 2019

 

 

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   ![Achromatic](/sites/g/files/omnuum6306/files/styles/hwp_1_1__720x720_scale/public/capasso/files/achromatic_metalens.png?itok=xZwgTybI) 

 

 In this work, we show that anisotropic nanofins can be used as a building block to realize achromatic as well as polarization-insensitive metalenses. These metalenses are capable of imaging color photos of the letters RGB and a circular rainbow on a mobile phone. This manuscript was published in Nature Communications and can be found [here](https://www.seas.harvard.edu/capasso/wp-content/uploads/publications/s41467-019-08305-y.pdf). See also a press release from Harvard SEAS [here](https://www.seas.harvard.edu/news/2019/01/broadband-achromatic-metalens-focuses-light-regardless-of-polarization).



 

 

 



 

 

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