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Spectra of optical absorption of implanted by ions: linear optical absorption measured during and after irradiation (top panel) for various ion fluences : (a) 5.7, (b) 6.8, (c) 8.0, (d) 9.1, and (e) 10; difference in optical absorption between the beam on (ion flux of ) and off modes for various ion fluences (middle panel); time evolution of radiation-induced differential optical absorption (bottom panel) after switching off the ion beam.
Differential spectra: spectra of the nonlinear optical response measured by the pump-probe method for various pump intensities (top panel); thermomodulation spectra: difference in optical density between the elevated and room temperatures (RT) for various up to (bottom panel). Spectra were measured for implanted by ions, in the range of the SPR of Cu nanoparticles. Ion fluence: .
Fluence dependencies of linear (top panel) and radiation-induced differential (bottom panel) optical absorption in the range of the SPR during implantation of ions into at an ion flux of . Concentration of Cu was calculated from the linear optical absorption measured in the beam off mode. Temperature was calculated from , using data on thermomodulation.
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