Single rod efficient Nd:YAG and Nd:YALO lasers with average output powers of 46 and 47 W in diffraction limited beams with M<1.2 and 100 W with M<3.7 |
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Authors: | M Ostermeyer and R Menzel |
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Institution: | Department of Physics, University of Potsdam, Am Neuen Palais 10, D-14469 Potsdam, Germany |
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Abstract: | Using a new resonator concept guaranteeing fundamental mode operation, flashlamp pumped Nd lasers with average output powers of 46 and 47 W for the two materials were realized with beam qualities better than 1.2*DL. Due to the absence of thermally induced birefringence the efficiency of the Nd:YALO laser was up to 1.85% and thus 1.5 times higher than that of the realized Nd:YAG laser. The Nd:YALO laser output is linear polarized. Average output power of 100 W could be extracted from a Nd:YAG single rod oscillator with a beam quality of better than 3.7×DL. |
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Keywords: | Solid-state lasers Beam quality Fundamental transverse mode Dynamic stability |
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