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Tailoring the nonlinear refractive index of fluoride-phosphate glasses for laser applications |
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| Authors: | T. Töpfer J. Hein J. Philipps D. Ehrt R. Sauerbrey |
| Affiliation: | Institut für Optik und Quantenelektronik, Friedrich-Schiller-Universit?t Jena, Max-Wien-Platz 1, 07743 Jena, Germany, DE Otto-Schott-Institut für Glaschemie, Friedrich-Schiller-Universit?t Jena, Fraunhoferstrasse 6, 07743 Jena, Germany, DE |
| Abstract: | In this paper we report on measurements of the nonlinear refractive index n2 at 1047 nm of various fluoride-phosphate laser glasses relative to fused silica using degenerate four-wave mixing. We find good agreement with empirical estimates obtained from the d-line linear refractive index and the Abbe number for pure fluoride-phosphate glasses. Significant increase of n2 is observed when adding sulfate and niobium oxide to the glass composition offering tailorable nonlinear properties for glasses employed in short pulse laser oscillators. Received: 27 December 1999 / Published online: 24 March 2000 |
| Keywords: | PACS: 78.20.Ci 42.65.An 42.70.Hj |
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