Overview

The laser pre amplifier is a subsystem of the high energy laser system PHELIX. It is built for amplificationof pulsed laser radiation with a central wavelength of 1053nm either provided by the PHELIX FemtosecondFrontend or the NanosecondFrontend. The amplified radiation can afterwards be directed to either the LaserLabor (XRLLab) for experiments at lower energies or frontend calibration purposes or directed to the PHELIX MainAmplifier for further amplification. The PHELIXPreAmp consists of two flashlamp-pumped rod amplifiers operated in double-pass configuration. The amplifier rods consist of Noedymium doped phosphate glass. The first amplifier contains a 19mm rod while the second one has a 45mm rod whith a length of each 250mm.

The overall gain for the full system is about 1000. The system was designed for an output energy of up to 20 Joules (depending on the beam size and pulse duration).

-- UdoEisenbarth - 30 Aug 2016
Topic revision: r1 - 2016-08-30, UdoEisenbarth
 
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