Changes in optical property of ultrafine-particle-doped glass by gas atmosphere

Katsuya Yasumoto; Naoto Koshizaki; Kazuo Suga

doi:10.1117/12.132053

7 December 1992 Changes in optical property of ultrafine-particle-doped glass by gas atmosphere

Katsuya Yasumoto, Naoto Koshizaki, Kazuo Suga

Proceedings Volume 1758, Sol-Gel Optics II; (1992) https://doi.org/10.1117/12.132053
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

Ultrafine particle doped glass composites that show changes in optical property by gas atmosphere were developed by using the sol-gel process. The composites consist of silica glass matrix, functional ultrafine particles and micropores. Transition metal oxides or noble metals were used as the functional ultrafine particles in this study. Diameters of doped particles were confirmed to be in the order of nanometer by X-ray diffractometry and transmission electron microscopy. When the composites were exposed to NO gas flow (0.75 vol%) at 350 degree(s)C, the optical transmittance of the Au-doped composite largely decreased at 400 nm, while that of the Fe₂O₃- or the Co₃O₄-doped glass composites largely increased at 600 nm.

Citation Download Citation

Katsuya Yasumoto, Naoto Koshizaki, and Kazuo Suga "Changes in optical property of ultrafine-particle-doped glass by gas atmosphere", Proc. SPIE 1758, Sol-Gel Optics II, (7 December 1992); https://doi.org/10.1117/12.132053

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