Sol-gel derived ionic copper-doped microstructured optical fiber: a potential selective ultraviolet radiation dosimeter

被引：137

作者：

El Hamzaoui, Hicham ^{[1
]}

Ouerdane, Youcef ^{[2
]}

Bigot, Laurent ^{[1
]}

Bouwmans, Geraud ^{[1
]}

Capoen, Bruno ^{[1
]}

Boukenter, Aziz ^{[2
]}

Girard, Sylvain ^{[2
]}

Bouazaoui, Mohamed ^{[1
]}

机构：

[1] Univ Lille 1, CNRS, Lab PhLAM IRCICA, F-59655 Villeneuve Dascq, France

[2] Univ St Etienne, CNRS, Lab Hubert Curien, F-42000 St Etienne, France

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 28期

关键词：

DEFICIENT SILICA GLASS; PHOTOLUMINESCENCE BAND; DEFECT CENTERS; CU+ IONS; LUMINESCENCE; CU2+;

D O I：

10.1364/OE.20.029751

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report the fabrication and characterization of a photonic crystal fiber (PCF) having a sol-gel core doped with ionic copper. Optical measurements demonstrate that the ionic copper is preserved in the silica glass all along the preparation steps up to fiber drawing. The photoluminescence results clearly show that such an ionic copper-doped fiber constitutes a potential candidate for UV-C (200-280 nm) radiation dosimetry. Indeed, the Cu+-related visible photoluminescence of the fiber shows a linear response to 244 nm light excitation measured for an irradiation power up to 2.7 mW at least on the Cu-doped PCF core. Moreover, this response was found to be fully reversible within the measurement accuracy of this study (+/- 1%), underlying the remarkable stability of copper in the Cu+ oxidation state within the pure silica core prepared by a sol-gel route. This reversibility offers possibilities for the achievement of reusable real-time optical fiber UV-C dosimeters. (C) 2012 Optical Society of America

引用

页码：29751 / 29760

页数：10