Theoretical investigation of feasibility of Yb:YAG as laser material for nanosecond pulse emission with large energies in the Joule range |
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Authors: | Martin Ostermeyer |
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Affiliation: | University of Potsdam, Institute of Physics, Nonlinear Optics and Experimental Quantum Information, Am Neuen Palais 10, 14469 Potsdam, Germany |
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Abstract: | The long fluorescence lifetime of the upper laser level of Yb:YAG seems to make it an attractive material for the realization of Q-switched pulses with large pulse energy. The consequences of the spectroscopic parameter set of Yb:YAG for the feasibility of a large pulse energy laser, which emits pulses with nanosecond duration, are addressed on the basis of a rate equation model. The rate equations are analytically solved and applied to the optical side pumping of Yb:YAG rods. The thermal population of the lower laser level and the saturation of the laser material are discussed in specific. |
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Keywords: | 140.3580 160.3380 |
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