Characterization of the defects in a ZBLAN glass

Ruihua Li; Huirong Wang; Peizhen Deng; Fuxi Gan

doi:10.1117/12.22515

1 October 1990 Characterization of the defects in a ZBLAN glass

Ruihua Li, Huirong Wang, Peizhen Deng, Fuxi Gan

Proceedings Volume 1327, Properties and Characteristics of Optical Glass II; (1990) https://doi.org/10.1117/12.22515
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

Abstract

Theoretically light transmission losses as low as lO3dB/Km are possible in optical fibers made from heavy metal fluoride glasses. One reason for this has not yet been achieved is scattering due to defects in the glass. A study of defects in ZrF4BaF2LaF3A1F3NaF (ZBLAN) glass has been carried out by laser light scattering tomography Leitz optical microscopy scanning electron microscopy energy dispersive spectroscopy and wavelength dispersive spectroscopy. Defects as light scattering centers were exhibited and their appearance dimensions and distribution were observed throughout the samples. The commonly found crystallites in this glass were identified to be LaF3 in different shapes and sizes. The formation mechanism and contribution of the defects to extrinsic scattering loss are discussed. 1 .

Citation Download Citation

Ruihua Li, Huirong Wang, Peizhen Deng, and Fuxi Gan "Characterization of the defects in a ZBLAN glass", Proc. SPIE 1327, Properties and Characteristics of Optical Glass II, (1 October 1990); https://doi.org/10.1117/12.22515

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