Light localization in 1D chirped photonic crystals A. H. Gevorgyan, N. A. Vanyushkin and M. S. Rafayelyan Eur. Phys. J. Plus, 137 6 (2022) 719 Published online: 22 June 2022 DOI: 10.1140/epjp/s13360-022-02944-9