Drawing condition dependences of optical absorption and photoluminescence in pure silica optical fibers

Hibino, Yoshinori; Hanafusa, Hiroaki; Sakaguchi, Shigeki
December 1985
Applied Physics Letters;12/1/1985, Vol. 47 Issue 11, p1157
Academic Journal
Drawing-induced absorption at 630 nm and photoluminescence (PL) at 650 nm are investigated for pure synthetic silica optical fibers fabricated under various drawing conditions. It is found that both the absorption peak and the PL intensity increase with increasing drawing tension. These results suggest that the defects responsible for the absorption and the PL are closely related to the nonbridging oxygen defects.


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