TY - RPRT TI - High-order harmonic generation from ultrarelativistic s-polarized 400 nm laser-solid interactions AU - Flores, V. [University of California, Irvine] (ORCID:0009000453436112) AU - Allison, H. [University of California, Irvine] AU - Attiyah, D. [University of California, Irvine] (ORCID:0000000307499265) AU - Beier, N. [University of California, Irvine; University of Alberta] (ORCID:0000000227234056) AU - Efthimion, P. [Princeton Plasma Physics Laboratory] (ORCID:0000000228103365) AU - Flippo, K. A. [Los Alamos National Laboratory] AU - Gao, L. [Princeton Plasma Physics Laboratory] (ORCID:0000000241192825) AU - Hakimi, S. [University of California, Irvine] AU - Hill, K. [Princeton Plasma Physics Laboratory] (ORCID:0000000224948125) AU - Hollinger, R. [Colorado State University] AU - Logantha, M. [University of California, Irvine] (ORCID:0009000895818134) AU - Musthafa, Y. [University of California, Irvine] AU - Nedbailo, R. [Colorado State University] AU - Senthilkumaran, V. [University of Alberta] (ORCID:0000000207833828) AU - Shepherd, R. [Lawrence Livermore National Laboratory] AU - Shlyaptsev, V. N. [Colorado State University] AU - Song, H. [Colorado State University] (ORCID:0000000226200997) AU - Wang, S. [Lawrence Livermore National Laboratory] (ORCID:0000000343544166) AU - Rocca, J. J. [Colorado State University; Colorado State University] AU - Hussein, A. E. [University of Alberta] (ORCID:0000000196764862) AU - Dollar, F. [University of California, Irvine] (ORCID:0000000333465763) PY - 2026 DO - 10.1103/2vys-hgwm UR - https://www.osti.gov/biblio/3484612 ID - 3484612 ER -