Title :
Spectral loss characteristics of GeO2-P2O5-doped silica graded-index fibres in long-wavelength band
Author :
Edahiro, T. ; Horiguchi, M. ; Chida, K. ; Ohmori, Y.
Author_Institution :
NTT Ibaraki Electrical Communication Laboratory, Tokai, Japan
Abstract :
Spectral loss characteristics of GeO2-P2O5-doped silica graded-index fibres were investigated in the long-wavelength band. A broad absorption loss, increasing in proportion to the OH-ion concentration, was observed in the vicinity of 1.60 ¿m wavelength.
Keywords :
germanate glasses; losses; optical fibres; phosphosilicate glasses; 1.60 micron wavelength; OH ion concentration effect; SiO2:GeO2-P2O5 graded index fibres long wavelength band; broad absorption loss; low loss optical fibres; spectral loss characteristics;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19790194
