Coherence Control of High-Order Harmonics
P. SalièresA. L’HuillierDepartment of Physics, Lund Institute of Technology, P.O. Box 118, S-221 00 Lund, SwedenMaciej LewensteinInstitute for Theoretical Atomic and Molecular Physics, Harvard University, Cambridge, Massachusetts 02138
1995en
ABI
Annotatsiya
We study the conditions for optimal coherence of harmonics emitted by atoms in strong laser fields. The variation of the phase of the atomic dipole moment induces a dramatic dependence of the spatial and spectral coherence on the focusing geometry. However, these coherence properties can be controlled and optimized by moving the laser focus position relative to the nonlinear medium.
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