Two types of additional absorption spectra in CaF2 crystals

A. A. Vorob'ev, E. K. Zavadovskaya, L. A. Lisitsyna, V. M. Lisitsyn

Research output: Contribution to journalArticle

Abstract

A study of two types of additional absorption spectra observed in colored CaF2 crystals is reported. The spectral shape for the additively colored crystal is governed by the experimental conditions; during photochemical coloring, it depends on the thermal prehistory of the sample. In all cases, a spectrum consisting of bands at 370 and 560 nm appears in crystals having a band near 200 nm. An additional band appears at 560 nm in the Smakula spectrum at high-irradiation doses; there are three stages in the increase of this band with increasing dose. A similar dependence on the radiation dose is observed for the 560-nm band in synthesized CaF2 crystals. It is suggested that this band is due to defects produced in the lattice during the irradiation.

Original languageEnglish
Pages (from-to)454-460
Number of pages7
JournalSoviet Physics Journal
Volume12
Issue number4
DOIs
Publication statusPublished - 1972

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absorption spectra
crystals
dosage
irradiation
defects
radiation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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Two types of additional absorption spectra in CaF2 crystals. / Vorob'ev, A. A.; Zavadovskaya, E. K.; Lisitsyna, L. A.; Lisitsyn, V. M.

In: Soviet Physics Journal, Vol. 12, No. 4, 1972, p. 454-460.

Research output: Contribution to journalArticle

Vorob'ev, AA, Zavadovskaya, EK, Lisitsyna, LA & Lisitsyn, VM 1972, 'Two types of additional absorption spectra in CaF2 crystals', Soviet Physics Journal, vol. 12, no. 4, pp. 454-460. https://doi.org/10.1007/BF00816032
Vorob'ev, A. A. ; Zavadovskaya, E. K. ; Lisitsyna, L. A. ; Lisitsyn, V. M. / Two types of additional absorption spectra in CaF2 crystals. In: Soviet Physics Journal. 1972 ; Vol. 12, No. 4. pp. 454-460.
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