TY - JOUR
T1 - Phase-matched high-order harmonic generation in a gas cell with midinfrared femtosecond pulses
AU - Fu, Yuxi
AU - Xiong, Hui
AU - Xu, Han
AU - Yao, Jinping
AU - Yu, Yongli
AU - Zeng, Bin
AU - Chu, Wei
AU - Liu, X.
AU - Chen, J.
AU - Cheng, Ya
AU - Xu, Zhizhan
PY - 2009/1/5
Y1 - 2009/1/5
N2 - We experimentally investigate the generation of high-order harmonics in a 4-mm -long gas cell using midinfrared femtosecond pulses at various wavelengths of 1240 nm, 1500 nm, and 1800 nm. It is observed that the yield and cutoff energy of the generated high-order harmonics critically depend on focal position, gas pressure, and size of the input beam which can be controlled by an aperture placed in front of the focal lens. By optimizing the experimental parameters, we achieve a cutoff energy at ∼190 eV with the 1500 nm driving pulses, which is the highest for the three wavelengths chosen in our experiment.
AB - We experimentally investigate the generation of high-order harmonics in a 4-mm -long gas cell using midinfrared femtosecond pulses at various wavelengths of 1240 nm, 1500 nm, and 1800 nm. It is observed that the yield and cutoff energy of the generated high-order harmonics critically depend on focal position, gas pressure, and size of the input beam which can be controlled by an aperture placed in front of the focal lens. By optimizing the experimental parameters, we achieve a cutoff energy at ∼190 eV with the 1500 nm driving pulses, which is the highest for the three wavelengths chosen in our experiment.
UR - https://www.scopus.com/pages/publications/58849161438
U2 - 10.1103/PhysRevA.79.013802
DO - 10.1103/PhysRevA.79.013802
M3 - 文章
AN - SCOPUS:58849161438
SN - 1050-2947
VL - 79
JO - Physical Review A - Atomic, Molecular, and Optical Physics
JF - Physical Review A - Atomic, Molecular, and Optical Physics
IS - 1
M1 - 013802
ER -