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Single-pass gain over theoretical value and pulsation in amplified seeding light were observed in RE3+ doped lanthanum lead zirconate titanate ceramic plates. Theoretical consideration based on light energy trapping and localization was given to elucidate the findings and micro random laser source array was proposed.
Spectroscopic, structural, dielectric, and electro-optic properties were studied in Pb0.90La0.10[(Yb1/2Nb1/2)0.15(Zr0.425Ti0.575)0.85]0.975O3 (PYN–PLZT) ceramics. Theoretically, phenomenological parameters, such as absorption and emission cross-sections were evaluated, based on the experimental data obtained in the ceramics, suggesting that the PYN–PLZT solid solution, which is with very high constitutional...
Great enhancement of random lasing emission in Nd3++ doped (Pb,La)(Zr,Ti)O3 ceramics were investigated upon exposing to plasma atmosphere. The diffusion of light, optical energy storage and increased scatterers play vital roles in the experimental results.
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