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On the basis of the extended Huygens–Fresnel integral formula, the analytical formulae for the cross-spectral density matrix of the arbitrary cylindrical vector partially coherent Laguerre–Gaussian beams diffracted by a circular aperture in turbulent atmosphere are derived. The average intensity, the degree of polarization, and the degree of coherence of the apertured cylindrical vector partially...
We have observed the formation of periodic surface structures on Ni-Fe film irradiated by a single femtosecond laser pulse. We propose that this is due to the modulated transient permittivity and the surface plasmon.
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