Title :
Index change mechanism in erbium codoped aluminosilicate glass from 193nm irradiation
Author :
Groothoff, N. ; Lancry, M. ; Poumellec, B. ; Canning, J.
Author_Institution :
Sch. of Chem., Univ. of Sydney, Sydney, NSW
Abstract :
The absorption process causing index change in erbium codoped aluminosilicate optical fiber preform plates induced with 193 nm irradiation is determined to be triggered by two-photon excitation. The main contribution to index change is from material densification.
Keywords :
aluminium; densification; erbium; glass; light absorption; light diffraction; optical fibres; photoexcitation; silicon compounds; two-photon processes; SiO2:Er,Al; absorption process; erbium codoped aluminosilicate glass; index change mechanism; material densification; two-photon excitation; wavelength 193 nm; Diffraction gratings; Erbium; Glass; Microscopy; Optical fibers; Optical interferometry; Optical materials; Phase shifting interferometry; Preforms; Silicon compounds;
Conference_Titel :
IEEE Lasers and Electro-Optics Society, 2008. LEOS 2008. 21st Annual Meeting of the
Conference_Location :
Acapulco
Print_ISBN :
978-1-4244-1931-9
Electronic_ISBN :
978-1-4244-1932-6
DOI :
10.1109/LEOS.2008.4688478
