Optically induced defects in vitreous silica

S. Juodkazis, M. Watanabe, H. B. Sun, Shigeki Matsuo, J. Nishii, H. Misawa

研究成果: Article

20 引用 (Scopus)

抄録

We report the observation of photoluminescence (PL) in optically damaged vitreous silica (v-SiO2) and its gradual decrease by annealing at temperature range from room temperature to 773 K. Optical damage was induced by tightly focused picosecond or femtosecond irradiation inside v-SiO2. PL bands at 280, 470 and 650 nm were observed. The PL can be excited by 250 nm irradiation, which corresponds to the absorption band of the oxygen vacancy, VO. The decrease of PL with annealing is explained by structural modifications of the defects in the damaged area.

元の言語English
ページ(範囲)696-700
ページ数5
ジャーナルApplied Surface Science
154
DOI
出版物ステータスPublished - 2000 2 1
外部発表Yes

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Fused silica
Photoluminescence
silicon dioxide
photoluminescence
Defects
defects
Irradiation
Annealing
irradiation
annealing
Oxygen vacancies
Absorption spectra
damage
absorption spectra
Temperature
room temperature
oxygen
temperature

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Condensed Matter Physics

これを引用

Juodkazis, S., Watanabe, M., Sun, H. B., Matsuo, S., Nishii, J., & Misawa, H. (2000). Optically induced defects in vitreous silica. Applied Surface Science, 154, 696-700. https://doi.org/10.1016/S0169-4332(99)00430-4

Optically induced defects in vitreous silica. / Juodkazis, S.; Watanabe, M.; Sun, H. B.; Matsuo, Shigeki; Nishii, J.; Misawa, H.

:: Applied Surface Science, 巻 154, 01.02.2000, p. 696-700.

研究成果: Article

Juodkazis, S, Watanabe, M, Sun, HB, Matsuo, S, Nishii, J & Misawa, H 2000, 'Optically induced defects in vitreous silica', Applied Surface Science, 巻. 154, pp. 696-700. https://doi.org/10.1016/S0169-4332(99)00430-4
Juodkazis, S. ; Watanabe, M. ; Sun, H. B. ; Matsuo, Shigeki ; Nishii, J. ; Misawa, H. / Optically induced defects in vitreous silica. :: Applied Surface Science. 2000 ; 巻 154. pp. 696-700.
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