Micro-modification of luminescence property in Ag+-doped phosphate glass using femtosecond laser irradiation

• Published in: Journal of non-crystalline solids Vol. 383; pp. 161 - 164
• Main Authors: Tu, Zhanfeng, Teng, Yu, Zhou, Jiajia, Zhou, Shifeng, Qiu, Jianrong
• Format: Journal Article Conference Proceeding
• Language: English
• Published: Oxford Elsevier B.V 01.01.2014; Elsevier
• Subjects: Condensed matter: electronic structure, electrical, magnetic, and optical properties; Condensed matter: structure, mechanical and thermal properties; Cross-disciplinary physics: materials science; rheology; Exact sciences and technology; Femtosecond laser; Glasses (including metallic glasses); Luminescence; Materials science; Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation; Optical properties of bulk materials and thin films; Phosphate glass; Photoluminescence; Physical radiation effects, radiation damage; Physics; Silver; Specific materials; Structure of solids and liquids; crystallography; Ultraviolet, visible, and infrared radiation effects (including laser radiation); Femtosecond laser; Silver; Phosphate glass; Luminescence; Phosphates; Radiation effects; Doping; Glass; Fluorescence; Laser irradiation; Raman spectroscopy; Laser pulse; Laser radiation; Optical properties
• ISSN: 0022-3093; 1873-4812
• DOI: 10.1016/j.jnoncrysol.2013.04.050

Localized micro-structure and luminescence property are modified in Ag+-doped phosphate glass with high repetition rate femtosecond laser pulses. Confocal fluorescence spectra show that the luminescence intensity due to fs-laser induced Ag0 gradually increases and then decreases with the decreasing distance from the center of the laser-affected zone. In the inner structure, the intensity ratio of two Raman bands at 708cm−1 and 1210cm−1 decreases with the more close to the center of the laser-affected zone. A possible mechanism is proposed to explain the observed phenomena. •Microstructure is modified in Ag+-doped phosphate glass with fs laser pulses.•Luminescence intensity changes in the laser-affected zone.•The migration and reduction of Ag+ are induced by fs laser.•Confocal Raman spectrum is used to discuss the possible formation mechanism.