Luminescence and defect formation by visible and near-infrared irradiation of vitreous silica

Mitsuru Watanabe, Saulius Juodkazis, Hong Bo Sun, Shigeki Matsuo, Hiroaki Misawa

Research output: Contribution to journalArticle

79 Citations (Scopus)

Abstract

We report the observation of photoluminescence (PL) originating from defects created by the visible and near-infrared irradiation of vitreous silica. Three PL bands at 283,468, and 558 nm exhibited excitation spectra peaking at 250 nm, which corresponds to the oxygen vacancy defect VO absorption. The observed PL bands can be attributed to the following transitions: the singlet-singlet transition of oxygen vacancy for 283 nm, and the radiative recombination of separated carriers on the vacancy-interstitial pairs (VO;Oi) and (VO;(O2)i) for 468 and 558 nm, respectively.

Original languageEnglish
Pages (from-to)9959-9964
Number of pages6
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume60
Issue number14
Publication statusPublished - 1999
Externally publishedYes

Fingerprint

Fused silica
Luminescence
Photoluminescence
Irradiation
Oxygen vacancies
luminescence
silicon dioxide
Infrared radiation
photoluminescence
Defects
irradiation
defects
oxygen
radiative recombination
Vacancies
interstitials
excitation

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Luminescence and defect formation by visible and near-infrared irradiation of vitreous silica. / Watanabe, Mitsuru; Juodkazis, Saulius; Sun, Hong Bo; Matsuo, Shigeki; Misawa, Hiroaki.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 60, No. 14, 1999, p. 9959-9964.

Research output: Contribution to journalArticle

Watanabe, Mitsuru ; Juodkazis, Saulius ; Sun, Hong Bo ; Matsuo, Shigeki ; Misawa, Hiroaki. / Luminescence and defect formation by visible and near-infrared irradiation of vitreous silica. In: Physical Review B - Condensed Matter and Materials Physics. 1999 ; Vol. 60, No. 14. pp. 9959-9964.
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