• H Nadgaran

      Articles written in Pramana – Journal of Physics

    • Pulsed pump: Thermal effects in solid state lasers under super-Gaussian pulses

      H Nadgaran M Sabaian

      More Details Abstract Fulltext PDF

      Solid state laser (SSL) powers can be realistically scaled when pumped by a real, efficient and multimode pulse. In this work, a fourth-order super-Gaussian pulse was assumed as a pump for SSL’s and a complete analytical expression for the thermal phase shift is given. Moreover, the focal length of thermal lens in paraxial ray approximation regime was studied. The results when applied to a Ti: sapphire crystal show an appreciable correction for abberation compared to a top-hat pulse.

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