Kinetics of enhanced photogeneration of E′ centers in oxygen-deficient silica

Hiroyuki Nishikawa, Eiki Watanabe, Daisuke Ito, Yoshimichi Ohki

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The kinetics of the generation of E′ centers induced by a 6.4 eV excimer laser were investigated. Enhanced defect generation was observed in OH-containing oxygen-deficient silicas. The increased E′ centers were found to be correlated with an absorption band at 5.7 eV. The intensity of the 5.7 eV band α, as a function of the laser fluence, F, follows a simple formula of α(F) = αs[1 - exp(- DF)], where the values of αs and the decay coefficient, D, depend on the concentrations of SiH and SiOH bonds.

Original languageEnglish
Pages (from-to)179-184
Number of pages6
JournalJournal of Non-Crystalline Solids
Volume179
Issue numberC
DOIs
Publication statusPublished - 1994 Nov 4
Externally publishedYes

Fingerprint

Excimer lasers
Silicon Dioxide
Absorption spectra
Silica
Oxygen
silicon dioxide
Defects
deuterium fluorides
Kinetics
Lasers
kinetics
oxygen
excimer lasers
fluence
absorption spectra
defects
decay
coefficients
lasers
hydroxide ion

ASJC Scopus subject areas

  • Ceramics and Composites
  • Electronic, Optical and Magnetic Materials

Cite this

Kinetics of enhanced photogeneration of E′ centers in oxygen-deficient silica. / Nishikawa, Hiroyuki; Watanabe, Eiki; Ito, Daisuke; Ohki, Yoshimichi.

In: Journal of Non-Crystalline Solids, Vol. 179, No. C, 04.11.1994, p. 179-184.

Research output: Contribution to journalArticle

Nishikawa, Hiroyuki ; Watanabe, Eiki ; Ito, Daisuke ; Ohki, Yoshimichi. / Kinetics of enhanced photogeneration of E′ centers in oxygen-deficient silica. In: Journal of Non-Crystalline Solids. 1994 ; Vol. 179, No. C. pp. 179-184.
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