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Beam shaping with higher Laguerre-Gaussian orders for high power Bessel beams

JUN
23
2019
23. JUN 2019

Lecture Hall ICM - Internationales Congress Center München CLEO®/Europe-EQEC > Materials Processing with Lasers > Beam shaping for laser processing

11:30-11:45 h | ICM - Internationales Congress Center München ICM Room 14b

Subjects: Laser Materials Processing

Speaker: Malte Per Siems (Institute of Applied Physics, Abbe Center of Photonics, Friedrich Schiller University Jena, Albert-Einstein-Straße 15)

Chairman: Patrick Salter (, Oxford University)

Type: Lecture

Speech: English

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Elongated foci are essential for scaling ultrashort laser processes. However, axicon tips limit the quality of Bessel beams – especially at high powers. We demonstrate how an apt combination of Laguerre-Gauss modes can circumvent these singularities.

Malte Per Siems

Institute of Applied Physics, Abbe Center of Photonics, Friedrich Schiller University Jena, Albert-Einstein-Straße 15

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