Photophysics, Laser Chemistry

Applied physics

, Volume 24, Issue 4, pp 341-348

First online:

Theoretical and experimental investigations of a passively mode-locked Nd: Glass laser

  • C. KolmederAffiliated withPhysik Department der Technischen Universität München
  • , W. ZinthAffiliated withPhysik Department der Technischen Universität München

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The presented theoretical model for a mode-locked Nd-glass laser simultaneously takes into account dynamics of the mode-locking dye, amplification saturation and radiation background. A systematic variation of laser parameters gives insight into the pulse formation process and allows to improve the laser design. The calculations show that it should be possible to decrease considerably the duration of light pulses of a mode-locked Nd-glass laser. Using a new mode-locking dye with a switching time of τ=2.7×10−12 s we obtained stable laser operation and a pulse duration of 1.7×10−12s.