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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 3, Iss. 4 — Apr. 10, 2005
  • pp: 219–221

Raman spectra of undoped and uranium doped CaF2 single crystals

Liangbi Su, Jun Xu, Weiqiao Yang, Xiongwei Jiang, and Yongjun Dong  »View Author Affiliations


Chinese Optics Letters, Vol. 3, Issue 4, pp. 219-221 (2005)


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Abstract

Raman scattering experiments for nominally pure and uranium doped CaF2 single crystals were presented. In all crystals, the Raman active T_(2g) vibration mode of CaF2 was observed, whose frequency shift and full-width at half-maximum (FWHM) broadening correspond well with defects and impurities in CaF2 lattice. Additional Raman peaks develop in nominally pure CaF2 with high etch pits density and U^(6+):CaF2 crystals. Part of additional Raman peaks in the experimental results, which are assumed due to vibration modes from F- interstitials and vacancies, are in well agreement with the theoretical predications by employing the Green-function formulation.

© 2005 Chinese Optics Letters

OCIS Codes
(160.4670) Materials : Optical materials
(300.6450) Spectroscopy : Spectroscopy, Raman

Citation
Liangbi Su, Jun Xu, Weiqiao Yang, Xiongwei Jiang, and Yongjun Dong, "Raman spectra of undoped and uranium doped CaF2 single crystals," Chin. Opt. Lett. 3, 219-221 (2005)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-3-4-219

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