Frequency lens using multiple diffraction on a diffraction grating. The light pulse is transformed in a frequency analogous to the light beam passing through the real lens (fot. M. Lipka, Uniwersytet ...

TOKYO, Jan 26, 2021 - (JCN Newswire) - - NTT DOCOMO, INC. and AGC Inc. announced that they have developed a prototype technology that efficiently guides 28-GHz 5G radio signals received from outdoors ...