The Raman spectra of phosphosilicate core (P2O5–SiO2) fibers were investigated. Significant changes in the spectra were observed after UV irradiation of the fibers. An interpretation of the photostructural changes confirmed by computer simulation of phosphorus-related centers is proposed.
© 1998 Optical Society of America
V. G. Plotnichenko, V. O. Sokolov, V. V. Koltashev, V. B. Sulimov, and E. M. Dianov, "UV-irradiation-induced structural transformation in phosphosilicate glass fiber," Opt. Lett. 23, 1447-1449 (1998)