Scientific Results

Avalanche mechanism generating laser oscillation in Pr3+, Yb3+:BaY2F8

Year: 2003

Authors: Osiac E., Heumann E., Huber G., Kuck S., Sani E., Toncelli A., Tonelli M.

Autors Affiliation: Institute fur Laser-Physics, Jungiusstraße 9a, 20355 Hamburg, Germany; Physikalisch-Technische Bundesanstalt, Section 4.11, Bundesallee 100, 38116 Braunschweig, Germany; NEST, INFM, Dipartimento di Pisa, Via Buonarroti, 2, I-56127 Pisa, Italy

Abstract: The avalanche excitation mechanism in the Pr/sup 3+/-Yb/sup 3+/-system is demonstrated in Pr,Yb:BaY/sub 2/F/sub 8/ (BYF). A nearly concentric resonator was used consisting of two mirrors with a radius of curvature of 50 mm. Two different output mirrors were used with transmissions of 1% and 6% in the 607.5 nm spectral range. Both orange (607.5 nm) and red (638.7 nm) laser oscillation were observed under 841 nm excitation.

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KeyWords: Avalanche mechanism; Excitation mechanisms; Laser oscillations; Output mirrors; Radius of curvature; Spectral range; Two mirrors, Mirrors; Ytterbium, Laser excitation
DOI: 10.1109/CLEOE.2003.1312090

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