First Earth-Imaging CubeSat with Harmonic Diffractive Lens. - Nikolay A. Ivliev; Viktoria Evdokimova; Vladimir Podlipnov; Maxim Petrov; Sofiya Ganchevskaya; Ivan Tkachenko; Dmitry Abrameshin; Yuri Yuzifovich; Artem V. Nikonorov; Roman V. Skidanov; Nikolay L. Kazanskiy; Victor A. Soifer (Remote. Sens., 2022)