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Updated: May 21, 2026
Direct Imaging of Laser-driven Ultrafast Molecular Rotation
Published on: February 4, 2017
Direct diode-pumped Kerr-lens mode-locked Ti:sapphire laser
Charles G Durfee1, Tristan Storz, Jonathan Garlick
1Department of Physics, Colorado School of Mines, Golden, Colorado 80401, USA. cdurfee@mines.edu
Abstract:
We describe a Ti:sapphire laser pumped directly with a pair of 1.2 W 445 nm laser diodes. With over 30 mW average power at 800 nm and a measured pulsewidth of 15 fs, Kerr-lens-modelocked pulses are available with dramatically decreased pump cost. We propose a simple model to explain the observed highly stable Kerr-lens modelocking in spite of the fact that both the mode-locked and continuous-wave modes are smaller than the pump mode in the crystal.
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