Silver halide lasers and amplifiers: Nd ion diffusion in AgBr crystals

Lev Nagli; Alla German; Abraham Katzir

doi:10.1117/12.309484

5 June 1998 Silver halide lasers and amplifiers: Nd ion diffusion in AgBr crystals

Lev Nagli, Alla German, Abraham Katzir

Proceedings Volume 3262, Surgical-Assist Systems; (1998) https://doi.org/10.1117/12.309484
Event: BiOS '98 International Biomedical Optics Symposium, 1998, San Jose, CA, United States

Abstract

The luminescence of silver bromide crystals doped with rare earth ions (Nd³⁺) was investigated in the visible and near IR spectral ranges. The emission, excitation, and absorption spectra, as well as the kinetic parameters, were measured over a broad temperature range. Crystal doping was produced by growing in the melt and by a diffusion method. A novel method for measuring the diffusion profile of rare earth ions in AgBr crystals, based on the luminescence distribution of the dopant, was proposed. The luminescence parameters of AgBr:Nd crystals doped by the diffusion method were compared with these for crystals doped by adding Nd³⁺ to the melt. The spectroscopy parameters of Pr³⁺ and Er³⁺ ions in AgBr crystals doped in the melt were also investigated. The Judd-Ofelt analysis was applied to the rare-earth doped crystals, and transition rates, branching ratios, and quantum efficiencies were calculated. Good agreement between theory and experiment was obtained.

Citation Download Citation

Lev Nagli, Alla German, and Abraham Katzir "Silver halide lasers and amplifiers: Nd ion diffusion in AgBr crystals", Proc. SPIE 3262, Surgical-Assist Systems, (5 June 1998); https://doi.org/10.1117/12.309484

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