Optical properties of Eu2(CO3)34H2O entrapped in silica sol-gel glass

Wieslaw Strek; J. Sokolnicki; J. Legendziewicz; M. Borzechowska; K. Maruszewski

doi:10.1117/12.293457

1 November 1997 Optical properties of Eu₂(CO₃)₃4H₂O entrapped in silica sol gel glass

Wieslaw Strek, J. Sokolnicki, J. Legendziewicz, M. Borzechowska, K. Maruszewski

Proceedings Volume 3176, Tunable Solid State Lasers; (1997) https://doi.org/10.1117/12.293457
Event: Tunable Solid State Lasers, 1996, Wroclaw, Poland

Abstract

Preparation of silica glasses containing Eu₂(CO₃)₃ 4H₂O by means of sol-gel technology was described. The absorption, emission, and excitation of Eu₂(CO₃)₃ 4H₂O compounds in powder and entrapped in silica sol-gel glass were measured in a broad temperature range. It was found that the optical properties of europium ion direct environment were not preserved in silica glass. A broad band, in UV range, characteristic to Eu²⁺ ions or C-T transition, was also observed. The intensity of this broad band is controlled by temperature an concentration of the active ions. Following the energy diagram of f-f transitions derived from Eu₂(CO₃)₃ H₂O system, the symmetry of Eu³⁺ ion was discussed in precursor and gel spectra. The effect of anisotropy of europium ion was considered, too.

Citation Download Citation

Wieslaw Strek, J. Sokolnicki, J. Legendziewicz, M. Borzechowska, and K. Maruszewski "Optical properties of Eu₂(CO₃)₃4H₂O entrapped in silica sol gel glass", Proc. SPIE 3176, Tunable Solid State Lasers, (1 November 1997); https://doi.org/10.1117/12.293457

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