10 February 2011 Comparative numerical study of efficiency of energy deposition in femtosecond microfabrication with fundamental and second harmonics of Yb-doped fiber laser
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Abstract
We present the results of comparative numerical study of energy deposition in single shot femtosecond laser inscription for fundamental and second harmonic of Yb-doped fiber laser. We have found that second harmonic is more efficient in absorbing energy which leads to lower inscription threshold. Hence this regime is more attractive for applications in femtosecond laser microfabrication.
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Alexandr Dostovalov, Sergey Babin, Mandana Baregheh, Mykhaylo Dubov, Vladimir Mezentsev, "Comparative numerical study of efficiency of energy deposition in femtosecond microfabrication with fundamental and second harmonics of Yb-doped fiber laser", Proc. SPIE 7914, Fiber Lasers VIII: Technology, Systems, and Applications, 791432 (10 February 2011); doi: 10.1117/12.877631; https://doi.org/10.1117/12.877631
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