Emittance preserving thin film plasma mirrors for GeV scale laser plasma accelerators oleh A. Zingale, N. Czapla, D. M. Nasir, S. K. Barber, J. H. Bin, A. J. Gonsalves, F. Isono, J. van Tilborg, S. Steinke, K. Nakamura, G. E. Cochran, J. Purcell, W. P. Leemans, C. G. R. Geddes, C. B. Schroeder, E. Esarey, D. W. Schumacher