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[Fizinfo] Ortvay kollokvium

Chronological Thread 
  • From: szpl <szpl AT>
  • To: <fizinfo AT>
  • Subject: [Fizinfo] Ortvay kollokvium
  • Date: Fri, 18 Nov 2016 10:03:05 +0100

ELTE Fizikai Intézet


2016. november 24., csütörtök, 15:00-kor
Az ELTE Pázmány Péter s. 1/A alatti épületében
földszinti 0.81 előadóban

Osvay Károly (ELI-HU Non-Profit Ltd.)
"An introduction to the ELI-ALPS Research Infrastructure"

Kivonatos ismertetés:
The Attosecond Light Pulse Source (ALPS) facility of the pan-European Extreme Light Infrastructure (ELI) project is designed to build a laser-based research infrastructure in which light pulses of few optical cycles in the infrared or mid-infrared spectral range are generated and used for basic and applied research. These pulses will be used as driving source for the generation of even shorter extreme ultraviolet pulse with durations that can be as short as a few tens of attosecond.

Four laser sources are being implemented at the ELI-ALPS infrastructure, operating in different regimes of repetition rate, peak power, and spectral range. All four light sources deliver pulses with unique parameters: unparalleled fluxes, extreme broad bandwidths and sub-cycle control of the generated fields. The high repetition rate (HR) system delivers TW peak power, < 5 fs pulses at 100 kHz. The 1 kHz repetition rate single cycle (SYLOS) system provides 20 TW pulses with a pulse duration of <5 fs. The petawatt-class
high-field (HF) laser will operate at 10 Hz repetition rate with 17 fs pulse duration. The above laser systems operate in a bandwidth window of 600 nm - 1400 nm. These lasers are complemented by the mid-infrared (MIR) laser system, which provides tunable (2.5 µm - 3.9 µm) sub-4 cycle laser pulses at 100 kHz repetition rate with 15 W average power.

These exceptional laser sources will generate a set of secondary sources with incomparable characteristics, including light sources ranging from the THz to the X-ray spectral ranges and particle sources. The laser and secondary sources
foreseen at ELI-ALPS will push the frontier of attosecond science in three main directions as coincidence measurements, investigations of highly nonlinear
processes in the XUV and X-ray spectral range, and ultrafast valence-shell and core electron dynamics.

Beyond attoscience, the laser sources of ELI-ALPS would also provide regional and national, basic and applied science projects with experimental opportunities in radiobiology, biophotonics, plasma and particle physics.

Activities in the purpose-designed and built building complex will start with the installation of the MIR and the HR laser systems in Spring 2017. Simultaneously, we will also start the assembly of the high harmonic beamlines,
the THz laboratory, and nanoplasmonic experiments. The first XUV bursts of light with attosecond duration are expected to be generated by the end of 2017.

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