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Merck
CN

Femtosecond crystallographic experiment in wide-bandgap LiF crystal.

Optics express (2011-03-04)
Hatem Dachraoui, Christian Oberer, Ulrich Heinzmann
摘要

We report a femtosecond crystallographic study of the dependence of the free-carries generation to the alignment of a crystalline sample to the laser polarization. The probe pulse transmission exhibits a π/2 modulation that is shown to be correlated with the direction dependence of the effective electron mass. This observation suggests that nonlinear ionization is the first channel for free electron generation during the laser pulse. Moreover, the temporal evolution of the probe pulse transmission indicates the dominance of the avalanche ionization and that nonlinear ionization provides the initial seed electrons for avalanche."

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氟化锂, ≥99.99% trace metals basis
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预计发货时间 March 20, 2025
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