Optical Characterization of Erbium Doped KY₃F₁₀ Fluoride Single Crystals

Saidi Khiari, Faiza Bendjedaa, Madjid Diaf

Laboratory of Laser Physics, Optical Spectroscopy and Optoelectronics (LAPLASO), University of Annaba, Annaba, Algeria.
University of El-Tarf, El-Tarf, Algeria.

DOI: 10.4236/opj.2013.31003                

Abstract

Preparation and optical characterisation of Erbium doped KY₃F₁₀ single crystals are reported. The crystals were grown using the Czochralski pulling technique. The single phase was controlled by X-ray diffraction analysis. Room temperature optical spectra were recorded between 200 and 1600 nm. They were used to fit the three phenomenological Judd-Ofelt (JO) parameters Ω_t (t = 2, 4, 6). The emission transition probabilities, branching ratios and radiative lifetimes are then deduced. The possibility to use such material for laser emissions is discussed.

Keywords

Solid State Laser; Laser Spectroscopy; Laser Materials; Fluoride; Rare Earth; KY₃F₁₀ Crystals; Judd-Ofelt Theory

Conflicts of Interest

The authors declare no conflicts of interest.

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