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5 January 1994 Mid- to far-infrared femtosecond pulses
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Abstract
The emergence of new, efficient, nonlinear crystals and the development of passively mode- locked, solid state lasers, such as the Kerr-lens mode-locked Ti:sapphire laser, has rekindled interest in optical parametric oscillators (OPOs) while opening up new regions of the spectrum to high repetition rate, high average power femtosecond pulses. With synchronous pumping techniques it is now possible to generate pulses as short as 40 fs for (nominally) 1 < (lambda) < 4 micrometers , at repetition rates of 108 Hz, and with average powers measured in 100s of mW. Tuning can be achieved in critically or non-critically phase-matched KTP or LBO via crystal angle, temperature or pump wavelength tuning each of which has its merits in terms of tuning range, ease of use, noise properties, etc.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Henry M. van Driel, A. Hache, and Gary Mak "Mid- to far-infrared femtosecond pulses", Proc. SPIE 2041, Mode-locked and Other Ultrashort Laser Designs, Amplifiers, and Applications, (5 January 1994); https://doi.org/10.1117/12.165636
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