Observation of two-photon above-threshold ionization of rare gases by xuv harmonic photons.
Miyamoto
Naoki
N
Institute for Solid State Physics, University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa 277-8581, Japan.
Kamei
Masato
M
Yoshitomi
Dai
D
Kanai
Teruto
T
Sekikawa
Taro
T
Nakajima
Takashi
T
Watanabe
Shuntaro
S