Photoinduced phenomena in chalcogenide glasses doped with metals

M. S. Iovu; P. Boolchand; D. G. Georgiev; S. M. Iovu; M. Popescu

doi:10.1117/12.639737

14 December 2005 Photoinduced phenomena in chalcogenide glasses doped with metals

M. S. Iovu, P. Boolchand, D. G. Georgiev, S. M. Iovu, M. Popescu

Proceedings Volume 5972, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies II; 59720R (2005) https://doi.org/10.1117/12.639737
Event: Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies II, 2004, Bucharest, Romania

Abstract

In the present paper we have focus our study on relaxation of photodarkening in α-As₂Se₃ doped with Sn and rare-earth (RE) ions (Dy³⁺, Pr³⁺, Ho³⁺, Sm³⁺, Nd³⁺, Er³⁺). The relaxation process of photodarkening is described by a stretched exponential function with the dispersion parameter 0<α2Se₃ glass was probed by a local probe like ¹¹⁹Sn Moessbauer spectroscopy, and in conjunction with Temperature Differential Scanning Calorimetry (TMDSC) some aspects of the molecular glass structure were elucidate. Recommendation concerning the stabilization of the glass structure by metal impurity against photostructural transformation have been suggested, and which are very important for chalcogenide glasses doped with rare-earth ions as perspective materials for fibre optics amplifiers operating at the 1.3 μm and 1.5 μm telecommunication windows.

Citation Download Citation

M. S. Iovu, P. Boolchand, D. G. Georgiev, S. M. Iovu, and M. Popescu "Photoinduced phenomena in chalcogenide glasses doped with metals", Proc. SPIE 5972, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies II, 59720R (14 December 2005); https://doi.org/10.1117/12.639737

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