Comparison of cw laser performance of Nd:KGW, Nd:YAG, Nd:BEL, and Nd:YVO4 under laser diode pumping

作者: A.A. Demidovich , A.P. Shkadarevich , M.B. Danailov , P. Apai , T. Gasmi

DOI: 10.1007/S003400050467

关键词: WavelengthOptoelectronicsLaserSolid-stateQuantum opticsCw laserThermal lensingLaser diodeOpticsMaterials scienceAbsorption (electromagnetic radiation)

摘要: crystals under low-power laser diode end-pumping. Output power dependencies on the pump and wavelength of these diode-pumped solid state lasers were investigated. The high Nd3+ concentration Nd:KGW samples used in our measurements as well up-conversion exited-state absorption processes cause reduced output dependence which was experimentally observed. At levels up to 270 mW a slope efficiency ηsl≈46% reached for laser. microchip operation with ηsl≈50% demonstrated. Thermal lensing at powers 3 W measured.

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