Comparison of resonator-originated and external beam shaping |
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Authors: | Zeitner U D Aagedal H Wyrowski F |
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Affiliation: | Institut für Angewandte Physik, Friedrich-Schiller-Universit?t Jena, Jena, Germany. |
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Abstract: | The spatial shaping of laser beams is a subject of research in modern optics. Recently the introduction of diffractive elements in laser resonators has offered an alternative to external beam-shaping optics by mode shaping within the resonator. We describe the specification of the laser resonator mirrors to obtain by means of internal mode shaping a desired beam outside the resonator. Modal discrimination of the modified resonator and the mirror alignment sensitivity is discussed. Basic features of resonator-originated and external beam shaping are compared. |
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