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|Title:||Spectroscopic and lasing properties of Er³⁺:Yb³⁺-doped fluoride phosphate glasses|
|Other Titles:||Spectroscopic and lasing properties of Er(3+):Yb(3+)-doped fluoride phosphate glasses|
|Citation:||Applied Physics B-Lasers and Optics, 2001; 72(4):399-405|
|J.F. Philipps, T. Töpfer, H. Ebendorff-Heidepriem, D. Ehrt, R. Sauerbrey|
|Abstract:||Er³⁺ emission and lasing properties at 1.5 7m were studied in fluoride phosphate glasses (FP20) with different doping concentrations as well as in a commercial phosphate glass (Kigre QX). Emission decay behaviour at 1 7m and 1.5 7m was examined with respect to energy transfer between ytterbium and erbium. Emission cross-sections were determined using the reciprocity and Füchtbauer-Ladenburg methods. Gain spectra were calculated for the glasses and related to differences in the tuning curves and lasing properties. The temperature rise due to the quantum defect was determined via the ratios of green upconversion luminescence for different pump powers. The results from the laser and tuning experiments indicate that the FP20 glass offers good possibilities in broadband amplification and the generation of ultrashort pulses.|
|Keywords:||PACS: 42.55Xi; 42.60LH; 42.70HJ|
|Description:||The original publication can be found at www.springerlink.com|
|Rights:||© Springer-Verlag 2001|
|Appears in Collections:||Physics publications|
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