Author/Authors :
Dumanoglu، نويسنده , , I and Akchurin، نويسنده , , N and Akgun، نويسنده , , U and Ayan، نويسنده , , S and Bruecken، نويسنده , , P and Eskut، نويسنده , , E and Fenyvesi، نويسنده , , A and Kayis Topkasu، نويسنده , , A and Koca، نويسنده , , N and Makonyi، نويسنده , , K and Merlo، نويسنده , , J.-P and Novak، نويسنده , , D and Onel، نويسنده , , Y and Onengut، نويسنده , , S and Kuzucu-Polatoz، نويسنده , , A and Schmidt، نويسنده , , I and Serin، نويسنده , , M and Zeyre، نويسنده ,
Abstract :
We investigated the darkening of nine high OH− fibre types irradiated with 500 MeV electrons from the Linac Injector of LEP (LIL) at CERN. The transmission of Xe light was measured in situ in the 350–800 nm range. The induced attenuation at 450 nm is typically 1.52±0.15 dB/m for a 100 Mrad absorbed dose. Two-parameter fits for darkening and recovery are presented. After irradiation the tensile strength remains essentially unchanged. For Polymicro quartz core fibres the tensile strength is typically 4.6±0.4 GPa.
Keywords :
quartz , Fibre testing and measurement of fibre parameters , Radiation effects on optical elements , Fibressynthetic and natural , Optical material
