Production of defects in ZBLAN, ZBLAN:Tm3+ and ZBLAN:Cr3+ glasses by ultra-short pulses laser interaction
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Journal of Physics and Chemistry of Solids
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In this work we have studied pure and thulium- and chromium-doped ZBLAN glasses irradiated by ultra-short laser pulses. A Ti:sapphire CPA system was used, producing a 500 Hz train of pulses, centered at 830 nm, with 375 μJ of energy and 50 fs of duration (FWHM). The beam was focused by a 20 mm lens, producing a converging beam with a waist of 12 μm. The absorption spectra before and after laser irradiation were obtained showing production of color centers in pure, thulium-doped and chromium-doped ZBLAN glasses. A damage threshold of 9.56 T W/cm2 was determined for ZBLAN.
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COURROL, LILIA C.; MESSADDEQ, YOUNES; MESSADDEQ, SANDRA H.; RIBEIRO, SIDNEY J.L.; SAMAD, RICARDO E.; FREITAS, ANDERSON Z. de; VIEIRA JUNIOR, NILSON D. Production of defects in ZBLAN, ZBLAN:Tm3+ and ZBLAN:Cr3+ glasses by ultra-short pulses laser interaction. Journal of Physics and Chemistry of Solids, v. 69, p. 55-59, 2008. DOI: 10.1016/j.jpcs.2007.07.125. Disponível em: http://repositorio.ipen.br/handle/123456789/5099. Acesso em: 30 Dec 2025.
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