High-power widely tunable sub-20 fs Gaussian laser pulses for ultrafast nonlinear spectroscopy.

@article{Metzger2011HighpowerWT,
  title={High-power widely tunable sub-20 fs Gaussian laser pulses for ultrafast nonlinear spectroscopy.},
  author={Bernd Metzger and Andy Steinmann and Harald Giessen},
  journal={Optics express},
  year={2011},
  volume={19 24},
  pages={24354-60}
}
We demonstrate the generation of widely tunable sub-20 fs Gaussian-shaped laser pulses using a grating-based 4-f pulse shaper and a liquid crystal spatial light modulator. Our pump source is an Yb:KGW solitary mode-locked oscillator at 44 MHz repetition rate which is coupled into a large mode area microstructured fiber to generate a broad spectrum from below 900 nm to above 1150 nm. These pulses are precompressed by a prism sequence and subsequently sent into the pulse shaper. We use the… CONTINUE READING

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