Contrast improvement by prepulse suppression in cascaded amplifier cavities

Sebastian Keppler; Ragnar Bödefeld; Marco Hornung; Alexander Sävert; Joachim Hein; Malte C. Kaluza

doi:10.1117/12.887583

9 June 2011 Contrast improvement by prepulse suppression in cascaded amplifier cavities

Sebastian Keppler, Ragnar Bödefeld, Marco Hornung, Alexander Sävert, Joachim Hein, Malte C. Kaluza

Proceedings Volume 8080, Diode-Pumped High Energy and High Power Lasers; ELI: Ultrarelativistic Laser-Matter Interactions and Petawatt Photonics; and HiPER: the European Pathway to Laser Energy; 80800F (2011) https://doi.org/10.1117/12.887583
Event: SPIE Optics + Optoelectronics, 2011, Prague, Czech Republic

Abstract

We introduce a method to suppress prepulses of pulse picking systems due to the limited extinction ratio of polarization gating systems. By matching the round trip times of the oscillator and the subsequent regenerative amplifiers, leaking pulses are hidden below the temporal intensity pedestal of the main pulse. With this method, prepulses at the temporal position equal to the time difference of the round trip times of the cavities could be suppressed completely.

Citation Download Citation

Sebastian Keppler, Ragnar Bödefeld, Marco Hornung, Alexander Sävert, Joachim Hein, and Malte C. Kaluza "Contrast improvement by prepulse suppression in cascaded amplifier cavities", Proc. SPIE 8080, Diode-Pumped High Energy and High Power Lasers; ELI: Ultrarelativistic Laser-Matter Interactions and Petawatt Photonics; and HiPER: the European Pathway to Laser Energy, 80800F (9 June 2011); https://doi.org/10.1117/12.887583

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