Temporal Shaping of High Peak Power Pulse Trains from a Burst-Mode Laser System
| Autor: | Jürgen Reiter, Joachim Hein, Jörg Körner, Malte C. Kaluza |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2015 |
| Předmět: |
Ytterbium
Femtosecond pulse shaping Pockels cell Astrophysics::High Energy Astrophysical Phenomena chemistry.chemical_element Yb:CaF2 Physics::Optics solid-state laser lcsh:Technology temporal shaping law.invention lcsh:Chemistry Optics Solid-state laser law femtosecond laser cryogenically cooled General Materials Science Laser power scaling Instrumentation lcsh:QH301-705.5 Burst mode (computing) Fluid Flow and Transfer Processes Physics business.industry lcsh:T Process Chemistry and Technology Amplifier General Engineering Injection seeder Laser Q-switching Pockels effect lcsh:QC1-999 Computer Science Applications chemistry lcsh:Biology (General) lcsh:QD1-999 lcsh:TA1-2040 Optoelectronics business lcsh:Engineering (General). Civil engineering (General) burst diode pumped Tunable laser lcsh:Physics |
| Zdroj: | Applied Sciences, Vol 5, Iss 4, Pp 1790-1802 (2015) Applied Sciences Volume 5 Issue 4 Pages 1790-1802 |
| ISSN: | 2076-3417 |
| Popis: | 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. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|