Scientific Results

Laser Performance of 1% at. Yb : Lu 2O 3 Ceramic

Year: 2012

Authors: Pirri A., Toci G., Vannini M.

Autors Affiliation: Istituto di Fisica Applicata N. Carrara(IFAC), Consiglio Nazionale Delle Ricerche (CNR), Via Madonna del Piano 10 C, Sesto Fiorentino, 50019 Florence, Italy

Abstract: We present the performance of a laser prototype based on 1% at. Yb: Lu 2 O 3 ceramic, longitudinally pumped in quasi-CW regime at 968nm. A slope efficiency of 49% with respect to the absorbed pump power was obtained for laser operation at 1032.5nm. We studied the effects on the laser oscillation due to the reinjection of the residual pump. The thermal behavior of the sample was investigated by means of numerical simulations, accounting for the different thermal load resulting from spontaneous and laser emission. Finally, we report the measured level of the Amplified Spontaneous Emission, which is found to be less than 0.1mW.

Journal/Review:

Volume: 2012      Pages from: 484235-1  to: 484235-7

KeyWords: Ytterbium laser; Laser Ceramics;
DOI: 10.1155/2012/484235

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