Design and optimization of a highly efficient optical multipass system for γ-ray beam production from electron laser beam Compton scattering oleh K. Dupraz, K. Cassou, N. Delerue, P. Fichot, A. Martens, A. Stocchi, A. Variola, F. Zomer, A. Courjaud, E. Mottay, F. Druon, G. Gatti, A. Ghigo, T. Hovsepian, J. Y. Riou, F. Wang, A. C. Mueller, L. Palumbo, L. Serafini, P. Tomassini