Xiangcao Li, Bao’an Liu, Chunyan Yan, Jie Ren, Chang Liu, Xin Ju. Defects of laser-irradiated KDP crystals with different fluences studied by photoluminescence spectroscopy[J]. Matter and Radiation at Extremes, 2020, 5(3): 035402
- Matter and Radiation at Extremes
- Vol. 5, Issue 3, 035402 (2020)
Fig. 1. (a) Spectrum of light source. (b) and (c) PL emission spectra from a KDP crystal at different damage sites.
Fig. 2. Experimental spectra (black solid curves), simulated spectra (red dashed curves), and Gaussian fits (blue dashed curves): (a) excitation light source; (b) and (c) PL emission spectra of a KDP crystal at different damage sites.
Fig. 3. PL decay kinetics at 600 nm of a KDP crystal. The plots labeled (b) and (c) correspond to the spectra in Figs. 2(b) and 2(c) , respectively. The black solid curves are the experimental spectra, and the red dashed curves are double-exponential simulated spectra.
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Table 1. Parameters of peaks with Gaussian fitting for samples irradiated by different fluences.
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Table 2. Probabilities of different types of defects.
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Table 3. Parameters of PL decay kinetics at 600 nm.
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