Author:Michaelis, MM; Forbes, A; Conti, A; Nativel, N; Bencherif, H; Bingham, R; Kellett, B; Govender, KDate:14 Jun 2006Non-solid and non-rigid optics employ gas and liquid transmission and reflection, as well as flexible membranes to influence laser beams, laser driven particle beams and harmonic generators. Some examples are acoustic gratings, phase conjugate ...Read more
Author:Kellett, BJ; Griffin, DK; Bingham, R; Campbell, RNDate:Apr 2008Hybrid space propulsion has been a feature of most space missions. Only the very early rocket propulsion experiments like the V2, employed a single form of propulsion. By the late fifties multi-staging was routine and the Space Shuttle employs ...Read more