Transient optical transmission changes induced by pulsed electron radiation in commercial crown silicate glasses

A. O. Volchek, V. M. Lisitsyn, A. I. Gusarov, V. Yu Yakovlev, V. I. Arbuzov

Результат исследований: Материалы для журналаСтатья

11 Цитирования (Scopus)

Аннотация

We report on results of time-resolved induced optical absorption measurements in commercial crown silicate glass K8 (similar to Schott BK7 glass) and its radiation-resistant counterpart K108 under 0.25-MeV pulsed electron radiation. The spectra have been obtained in a wavelength range 280-1100 nm on a time interval 10 ns-1 s after the end of a 20-ns pulse. In contrast to behavior of stable defects, the efficiency of non-stationary color centers' generation in the long-wavelength spectrum range is similar for both standard and radiation-resistant glasses. The characteristic time for transmission recovery in the visible range at room temperature was found to be about 100 μs. Based on the Kramers-Krönig relations we have estimated transient refractive index changes. For the same radiation dose such changes can be two orders of magnitude higher than those observed in stationary conditions.

Язык оригиналаАнглийский
Страницы (с-по)100-106
Число страниц7
ЖурналNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Том211
Номер выпуска1
DOI
СостояниеОпубликовано - сен 2003

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Instrumentation
  • Surfaces and Interfaces

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