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MAGNETO-OPTICAL EFFECT IN Bi4Ge3O12 SINGLE CRYSTALS DOPED WITH VANADIUM

P. Petkova1,* , V. Marinova2, T. Dimov1, I. Iliev1, M. Gospodinov3

Affiliation

  1. Shoumen University “K. Preslavski”, Shoumen, Bulgaria
  2. Central Laboratory of Optical Storage and Processing of Information, Bulgarian Academy of Science, P.O. Box 95, Sofia 1113, Bulgaria
  3. Institute of Solid State Physics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee Blvd., 1784 Sofia, Bulgaria

Abstract

The results of magneto-optical effect measurements of undoped and vanadium doped Bi4Ge3O12 (BGO) single crystals are presented. The absorption spectra of V-doped BGO samples, preliminary illuminated with UV light as well as thermally annealed at 300°C, are compared. The modulation method with a vibrating polarizer was used to measure the magneto-optical rotation in the visible spectral range. The Verdet constant was calculated for all investigated samples, and plotted as a function of wavelength..

Keywords

Bi4Ge3O12 crystals, magneto-optical rotation, Verdet constant.

Submitted at: Dec. 9, 2004
Accepted at: Jan. 26, 2005

Citation

P. Petkova, V. Marinova, T. Dimov, I. Iliev, M. Gospodinov, MAGNETO-OPTICAL EFFECT IN Bi4Ge3O12 SINGLE CRYSTALS DOPED WITH VANADIUM, Journal of Optoelectronics and Advanced Materials Vol. 7, Iss. 1, pp. 439-442 (2005)