28 July 2017 Characterizing output beam of a multimode laser using modal analysis method
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Abstract
Based on the modal analysis method, a model describing the output beam of a diode pumped solid state (DPSS) laser emitting a multimode beam is presented. Measuring the output beam profiles in near-field, the individual modes as well as their contributions are determined. To this purpose, the superposition principle and the angular spectrum method are employed to predict the beam profile along the propagation axis and at far-field.
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Saiedeh Saghafi, Nikoo Haghi-Danaloo, Klaus Becker, Massih Foroughipour, Hans-Ulrich Dodt, "Characterizing output beam of a multimode laser using modal analysis method", Proc. SPIE 10414, Advances in Microscopic Imaging, 104140A (28 July 2017); doi: 10.1117/12.2286083; https://doi.org/10.1117/12.2286083
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