Photoactivation of Color Centers Induced by CW Laser Irradiation in Ion-Implanted Diamond.

In both cases, an increasing trend with the exposure time is observed, with the MgV – and Sn-related emission reaching a saturation value after 30 and 50 min of processing-laser irradiation, respectively.

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These graphs report a clear dependence of the asymptotic saturation plateau at large energies with the processing wavelength. Particularly, the saturation of the PL intensity is maximum under 405 nm processing and exhibits a decreasing trend at increasing wavelength, with a saturation intensity which is more than halved under 522 nm CW irradiation.

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