Programmable spatial beam shaping of a 100 kHz amplified femtosecond laser - Université Jean-Monnet-Saint-Étienne Access content directly
Journal Articles Optics Letters Year : 2005

Programmable spatial beam shaping of a 100 kHz amplified femtosecond laser

Abstract

We present programmable spatial beam-shaping of 100-kHz, 4-µJ amplified femtosecond pulses in a focal plane using wavefront modulation. Phase distributions are determined by a numerical iterative procedure. A non-pixelated optically-addressed liquid crystal light valve is used as a programmable wavefront tayloring device. Top-hat, doughnut, square and triangle shapes with a 20-Μm size are obtained in a focal plane. The suitability for femtosecond laser machining is demonstrated.
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Dates and versions

ujm-00118057 , version 1 (04-12-2006)

Identifiers

  • HAL Id : ujm-00118057 , version 1

Cite

Nicolas Sanner, Nicolas Huot, Eric Audouard, Christian Larat, Brigitte Loiseaux, et al.. Programmable spatial beam shaping of a 100 kHz amplified femtosecond laser. Optics Letters, 2005, 30, pp.1479-1481. ⟨ujm-00118057⟩
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