Schweizer, T., Hewak, D.W., Samson, B.N. and Payne, D.N.
Spectroscopy of potential mid-infrared laser transitions in gallium lanthanum sulphide glass
At 10th International Conference on Luminiscence and Optical Spectroscopy (ICL'96), Czech Republic.
18 - 23 Aug 1996.
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This paper presents experimental results on the mid-infrared emission of rare-earth doped gallium lanthanum sulphide glasses and fibres. Measured fluorescence includes the 3.4µm transition (1G4 - 3F4) in Pr3+-doped Ga:La:S fibre, the 3.6µm transition (4F9/2 - 4I9/2) in Er3+-doped Ga:La:S fibre, and the 4.3µm transition (6H11/2 - 6H13/2) in Dy3+-doped Ga:La:S bulk glass. Fibre lasers with these emission wavelengths would be of interest for gas sensing applications.
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