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Femtosecond continuum generation in bulk laser host materials with sub-μJ pump pulses

Femtosecond continuum generation in bulk laser host materials with sub-μJ pump pulses

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BRADLER, Maximilian, Peter BAUM, Eberhard RIEDLE, 2009. Femtosecond continuum generation in bulk laser host materials with sub-μJ pump pulses. In: Applied Physics B: Lasers and Optics. Springer. 97(3), pp. 561-574. ISSN 0721-7269. eISSN 1432-0649. Available under: doi: 10.1007/s00340-009-3699-1

@article{Bradler2009Femto-51906, title={Femtosecond continuum generation in bulk laser host materials with sub-μJ pump pulses}, year={2009}, doi={10.1007/s00340-009-3699-1}, number={3}, volume={97}, issn={0721-7269}, journal={Applied Physics B: Lasers and Optics}, pages={561--574}, author={Bradler, Maximilian and Baum, Peter and Riedle, Eberhard}, note={Article Number: 561} }

2020-11-24T13:39:55Z eng Riedle, Eberhard Baum, Peter 2020-11-24T13:39:55Z We report a comprehensive investigation of femtosecond continuum generation in single crystals of several common laser host materials. The absolute spectral energy density, pulse-to-pulse stability, pump threshold, and beam profile are studied in dependence on the focusing conditions, crystal thickness, pump pulse energy, and pump wavelength (775–1600 nm). Continuum generation is shown at repetition rates of up to 80 MHz and for pump pulse durations of up to 350 fs. In yttrium aluminum garnet (YAG), yttrium vanadate (YVO<sub>4</sub>), gadolinium vanadate (GdVO<sub>4</sub>), and potassium-gadolinium tungstate (KGW) thresholds below 50 nJ, plateau-like visible and infrared spectra, and higher infrared photon flux as compared to conventional materials like sapphire are found. We discuss the particular advantages of these materials for application in parametric amplification, femtosecond spectroscopy, and carrier-envelope phase stabilization. Riedle, Eberhard Femtosecond continuum generation in bulk laser host materials with sub-μJ pump pulses 2009 Bradler, Maximilian Baum, Peter terms-of-use Bradler, Maximilian

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