TheAsterix IV laser inPrague (commonly referred to by the acronym PALS for Prague Asterix Laser System) is a high power photolytically pumpediodine gas laser capable of producing ~300 to 500 picosecond long pulses of light at the fundamental line of 1.315 micrometres wavelength with a total energy of about 1kilojoule (or tripled to thethird harmonic at 438nanometers with lower pulse energies) and peak powers of around 3 terawatts. There are also two smaller auxiliary beams capable of producing 100 J pulses. One of the research topics isX-ray generation in laser excited plasma.
Asterix IV was originally developed, built and operated at theMax Planck Institute of Quantum Optics (MPQ) in Garching, Germany. The Laser Plasmas division of Prof. Witkowski operated the laser at MPQ from 1991 until May 1997. In 1999 it was reassembled in Prague and put into operation again on 8 June 2000.[1]
PALS is open to both domestic and foreign researchers.
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