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Analysis of energy-scaling capability of ultrashort pulses via passively combined divided-pulse amplification

: Kienel, M.


Optical Society of America -OSA-, Washington/D.C.:
Advanced Solid State Lasers, ASSL 2013 : October 27, 2013 - November 1, 2013, Paris, France
Washington, DC: OSA, 2013 (OSA Technical digest series)
ISBN: 978-1-55752-982-4
Paper ATu3A.05
Conference "Advanced Solid State Lasers" (ASSL) <2013, Paris>
Fraunhofer IOF ()

The possibility of energy scaling of ultrashort-pulse amplifiers employing both chirpedpulse amplification (CPA) and passively combined divided-pulse amplification (DPA) are analyzed both experimentally and numerically. It turns out that the achievable system efficiency is limited by mainly three effects: saturation in the amplifier, differences in the accumulated nonlinear phase and depolarization effects.