In this paper we have demonstrated monolithic "microchip" vertical external-cavity surface-emitting lasers (VECSEL), in which a cavity is formed between the VECSEL semiconductor back mirror and a dielectric mirror coating on the outer surface of the heat spreader, and where pump-induced thermal lensing may provide cavity stability. We have demonstrated stable, high power operation of composite microchip VECSELs in the 850 nm and 980 nm wavelength region. We have achieved >350 mW output power at 850 nm and >2.5 W at 980 nm. These initial results strongly indicate the promise of the microchip VECSELs as a low cost, high power, compact and versatile source of laser light.


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    Title :

    Microchip vertical external cavity surface-emitting lasers


    Contributors:
    Hastie, J.E. (author) / Hopkins, J.-M. (author) / Jeon, C.W. (author) / Calvez, S. (author) / Burns, D. (author) / Dawson, M.D. (author) / Abram, R. (author) / Riis, E. (author) / Ferguson, A.I. (author) / Alford, W.J. (author)


    Publication date :

    2003-01-01


    Size :

    157330 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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