4.6 Article

Direct diode-pumped Kerr-lens mode-locked Ti:sapphire laser

Journal

OPTICS EXPRESS
Volume 20, Issue 13, Pages 13677-13683

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.20.013677

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Funding

  1. AFOSR [FA9550-10-1-0394]
  2. NIH [EB003832]
  3. STTR AFOSR [FA9550-10-C-0017]
  4. AFRL SBIR [FA8650-11-C-2102]

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We describe a Ti:sapphire laser pumped directly with a pair of 1.2W 445nm laser diodes. With over 30mW average power at 800 nm and a measured pulsewidth of 15fs, 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. (C) 2012 Optical Society of America

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