UV AND GAMMA-RADIATION DAMAGE IN SILICA GLASS AND FIBERS DOPED WITH GERMANIUM AND CERIUM

被引：26
作者：
ANOIKIN, EV
GURYANOV, AN
GUSOVSKY, DD
DIANOV, EM
MASHINSKY, VM
MIROSHNICHENKO, SI
NEUSTRUEV, VB
TIKHOMIROV, VA
ZVEREV, YB
机构：
[1] ACAD SCI USSR,INST CHEM HIGH PUR SUBST,GORKI,USSR
[2] MV LOMONOSOV STATE UNIV,INST NUCL PHYS,MOSCOW,USSR
[3] NIZHNY NOVGOROD STATE UNIV,GORKI,USSR
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1992年 / 65卷 / 1-4期
关键词：
D O I：
10.1016/0168-583X(92)95073-Z
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Defect centres induced by UV laser excitation in the germanosilicate core of optical fibre preforms both with and without Ce addition were studied by the optical absorption spectroscopy and ESR. Selective ionization of Ce3+ ions showed the paramagnetic Ge(1) centre to be formed by trapping an electron and Ge(2) to be a hole centre. Two kinds of Ge E centres thermally annealed at different temperatures were observed. Results of gamma-ray-induced attenuation measurements of optical fibres drawn from the preforms are presented and analysed.
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页码：392 / 396
页数：5
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