Longer wavelengths require lower intensity in multiphoton detachment of negative ions Back to all publications Publication date 1 January 1992 Reference M.D. Davidson, D.W. Schumacher, P.H. Bucksbaum, H.G. Muller and H.B. van Linden van den Heuvell, Longer wavelengths require lower intensity in multiphoton detachment of negative ions, Phys. Rev. Lett. 69, 3459-3462 (1992) Request this article