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Judd-Ofelt analysis of Nd3+ in CLNGG single crystals

C. GHEORGHE1,* , A. LUPEI1, V. LUPEI1, L. GHEORGHE1, S. HAU1

Affiliation

  1. National Institute for Laser, Plasma and Radiation Physics, ECS Laboratory, PO Box MG-36, 077125 Magurele, Bucharest, Romania

Abstract

The analysis of the intensities of the f-f transitions of Nd3+ doped calcium lithium niobium gallium garnets (CLNGG) single crystals is presented. The JO parameters Ωt (t=2,4,6) of Nd3+ in CLNGG are determined as Ω2=2.18×10-20 cm2 , Ω4=2.96×10- 20 cm2 , Ω6=4.19×10-20 cm2 . These parameters are comparable to those reported for Nd3+ in CNGG single crystals. A series of other spectroscopic parameters based on Judd Ofelt theory, such as oscillator strengths, radiative transitions probabilities, and radiative lifetimes, branching ratios of the different Nd3+ transitions were determined..

Keywords

CNLGG, Judd - Ofelt analysis, Laser materials.

Submitted at: April 7, 2010
Accepted at: April 26, 2010

Citation

C. GHEORGHE, A. LUPEI, V. LUPEI, L. GHEORGHE, S. HAU, Judd-Ofelt analysis of Nd3+ in CLNGG single crystals, Journal of Optoelectronics and Advanced Materials Vol. 12, Iss. 4, pp. 818-820 (2010)