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Thermal management in disc lasers: doped-dielectric and semiconductor laser gain media in thin-disc and microchip formats

Kemp, Alan and MacLean, Alexander J. and Hopkins, John-Mark and Hastie, Jennifer and Calvez, Stephane and Dawson, Martin and Burns, David (2007) Thermal management in disc lasers: doped-dielectric and semiconductor laser gain media in thin-disc and microchip formats. Journal of Modern Optics, 54 (12). pp. 1669-1676. ISSN 0950-0340

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Abstract

Finite element and analytical modelling of thermal effects in doped-dielectric and semiconductor disc lasers is used to assess advanced approaches to thermal management. The prospective utility of high thermal conductivity materials such as diamond - particularly to improve the spectral coverage in semiconductor disc lasers and to scale the output power of quasi-monolithic microchip lasers - is illustrated. The potential of materials with strong pump absorption to improve the practicality of doped-dielectric thin-disc lasers, particularly for mobile applications, is also outlined.