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Appl. Sci. 2015, 5(4), 1790-1802; doi:10.3390/app5041790

Temporal Shaping of High Peak Power Pulse Trains from a Burst-Mode Laser System

1
Institute of Optics and Quantum Electronics, Friedrich-Schiller-University Jena, Max-Wien-Platz 1, Jena 07743, Germany
2
Helmholtz Institute Jena, Fröbelstieg 3, Jena 07743, Germany
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Alexei V. Sokolov
Received: 25 September 2015 / Revised: 21 November 2015 / Accepted: 8 December 2015 / Published: 15 December 2015
(This article belongs to the Special Issue Diode-Pumped, Ultra-Short Pulse Lasers)
View Full-Text   |   Download PDF [3035 KB, uploaded 15 December 2015]   |  

Abstract

It has been shown in the past that pulsed laser systems operating in the so-called “burst mode” are a beneficial approach to generate high peak power laser pulses at high repetition rates suitable for various applications. So far, most high-energy burst-mode laser systems put great effort into generating a homogeneous energy distribution across the burst duration, e.g., by shaping the pump pulse. In this work, we present a new shaping technique, which is able to produce arbitrary energy distributions within the burst by pre-shaping the seed pulse burst with a Pockels cell. Furthermore, this technique allows for the precompensation of any static modulations across the burst, which may be introduced during the subsequent amplification process. Therefore, a pulse burst with a uniform energy distribution can also be generated. The method is tested with an ultra-short pulse burst mode laser amplifier system producing bursts of a 1 ms duration with a pulse repetition rate of 1 MHz and a maximum output power of 800 W during the burst. Furthermore, a method to predict the influence of the amplifier on a non-uniformly shaped burst is presented and successfully tested to produce a pre-defined pulse shape after amplification. View Full-Text
Keywords: burst; Pockels cell; temporal shaping; Ytterbium; diode pumped; solid-state laser; cryogenically cooled; Yb:CaF2; femtosecond laser burst; Pockels cell; temporal shaping; Ytterbium; diode pumped; solid-state laser; cryogenically cooled; Yb:CaF2; femtosecond laser
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Körner, J.; Reiter, J.; Hein, J.; Kaluza, M.C. Temporal Shaping of High Peak Power Pulse Trains from a Burst-Mode Laser System. Appl. Sci. 2015, 5, 1790-1802.

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