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Synthesis and luminescence properties of lithium aluminium phosphate glasses doped with Nd3+ ion for laser medium
N Sangwaranatee1,*, N Chanthima2,3 J Kaewkhao2,3 and Y Tariwong2,3

Applied Physics, Faculty of Science and Technology, Suan Sunandha Rajabhat University, Bangkok 10300, Thailand


Abstract

Nd3+ ion doped lithium aluminium phosphate glasses were synthesized and studied their properties for laser medium application. The density and the refractive index of the glass samples were carried out at the room temperature. The optical and luminescence properties were studied by investigating absorption and NIR emission spectra of the glass samples. The glasses absorbed photons in ultraviolet (UV), visible light (VIS) and near-infrared (NIR) regions are clearly observed from absorption spectra. For the photoluminescence properties, the glass samples showed the strongest emission at 1063 nm when it were excited by 581 nm which assigned to the energy transitions of Nd3+. The three phenomenological Judd-Ofelt parameters (Ω2, Ω4, Ω6) were determined from the spectral intensities of absorption band in order to calculate the radiative transition possibility (AR), stimulated emission cross section (σ(p)) and branching ratio (R) of the 4F3/2  4I9/2, 4I11/2 and 4I13/2 transitions. From the obtained results the conclusions made about the possibility of using these glasses as laser material.

Keywords: luminescence ,aluminium phosphate

Topic: Optical, luminescence, Electronic Materials and applications

Link: https://ifory.id/abstract/b2hf4vwGkgym

Conference: The 4th International Conference on Applied Physics and Materials Application (ICAPMA 2019)

Plain Format | Corresponding Author (NARONG SANGWANATEE)

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