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

Kemp, A. and MacLean, A.J. and Hopkins, J.M. and Hastie, J.E. and Calvez, S. and Dawson, M.D. and Burns, D. (2006) Thermal management in disc lasers: doped dielectric and semiconductor laser gain media in thin-disc and microchip formats. In: Photon06, 2006-09-04 - 2006-09-07. (Unpublished)

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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.