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23 August 2007 Advances in femtosecond lasers having enhanced efficiencies
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Proceedings Volume 6731, International Conference on Lasers, Applications, and Technologies 2007: Advanced Lasers and Systems; 67310E (2007) https://doi.org/10.1117/12.751894
Event: International Conference on Lasers, Applications, and Technologies '07, 2007, Minsk, Belarus
Abstract
Progress in the development of efficient and reliable diode-pumped femtosecond laser systems based on both Kerr-lens and saturable-absorber mode locking is reported. Efficient Kerr-lens mode locking in diode pumped ytterbium-doped lasers, namely Yb:KY(WO4)2 (Yb:KYW) and Yb:YVO4, is demonstrated with average output powers in excess of 1W, pulse durations around 100fs and electrical-to-optical efficiencies that exceed 15%. Novel semiconductor saturable absorbers based on InAs/InGaAs quantum dots are described and their applicability for efficient femtosecond pulse generation from near-infrared solid-state lasers is discussed. Efficient passive mode locking in the spectral regions around 1.3&mgr;m and 1.55&mgr;m in Cr:forsterite and the more recently developed Er, Yb:YAl3(BO4)3 crystalline lasers has been demonstrated using low-loss InGaNAs saturable absorbers. A few examples of applications for this category of robust and efficient femtosecond lasers have been included. Specifically, the characteristics of a femtosecond visible light source producing pulses as short as 200fs at 520nm are outlined.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
A. A. Lagatsky, V. E. Kisel, F. Bain, C. T. A. Brown, N. V. Kuleshov, and W. Sibbett "Advances in femtosecond lasers having enhanced efficiencies", Proc. SPIE 6731, International Conference on Lasers, Applications, and Technologies 2007: Advanced Lasers and Systems, 67310E (23 August 2007); https://doi.org/10.1117/12.751894
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