0.3% energy stability, 100-millijoule-class, Ti:sapphire chirped-pulse eight-pass amplification system

Opt Express. 2008 Sep 15;16(19):14875-81. doi: 10.1364/oe.16.014875.

Abstract

Highly stable operation of a two-stage multipass Ti:sapphire amplifier (a four-pass pre-amplifier and a four-pass power amplifier) for a 100-mJ-class chirped-pulse amplification system has been demonstrated by passive stabilization. By optimizing the ratio of pump energies to the two amplifiers and the optical losses artificially inserted into the second power amplifier, a root-mean-square fluctuation in pulse energy of 0.3% was achieved, which was 5 times lower than that of the pump laser. This is the lowest pulse-to-pulse fluctuation, to the best of our knowledge, obtained by the 100-mJ-class Ti:sapphire amplifiers.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Aluminum Oxide / chemistry*
  • Amplifiers, Electronic*
  • Computer Simulation
  • Computer-Aided Design*
  • Energy Transfer
  • Equipment Design
  • Equipment Failure Analysis
  • Lasers*
  • Models, Theoretical*
  • Signal Processing, Computer-Assisted / instrumentation*

Substances

  • Aluminum Oxide