Evolution of structure and photosensitive defects in sol-gel-derived TEOS and doped TEOS glasses

Alexander Leyderman; Hairong Zheng; Daniel Arcos; Benjamin G. Penn

doi:10.1117/12.384343

2 May 2000 Evolution of structure and photosensitive defects in sol-gel-derived TEOS and doped TEOS glasses

Alexander Leyderman, Hairong Zheng, Daniel Arcos, Benjamin G. Penn

Proceedings Volume 3943, Sol-Gel Optics V; (2000) https://doi.org/10.1117/12.384343
Event: Symposium on Integrated Optoelectronics, 2000, San Jose, CA, United States

Abstract

The influence of aluminum ions on the UV optical absorption of germano-silicate sol-gel glass system is studied through investigating the variation of structure and photochemical transformation of germanium-related oxygen deficient centers (GODCs). The absorption spectra studies reveal that co- doping by aluminum and subsequent UV radiation effect the transformation of the GODCs from germanium lone pair center to neutral oxygen mono-vacancy in germano-silicate xerogel specimen. Possible mechanism of such an effect is discussed.

Citation Download Citation

Alexander Leyderman, Hairong Zheng, Daniel Arcos, and Benjamin G. Penn "Evolution of structure and photosensitive defects in sol-gel-derived TEOS and doped TEOS glasses", Proc. SPIE 3943, Sol-Gel Optics V, (2 May 2000); https://doi.org/10.1117/12.384343

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