@book{HeuerHaenischOstermeyeretal.2002,
  author    = {Heuer, Axel and H{\"a}nisch, Christoph and Ostermeyer, Martin and Menzel, Ralf},
  title     = {Low Power Threshold Phase Conjugating Mirrors by SBS in Yb-doped Fiber Amplifiers},
  year      = {2002},
  language  = {en}
}
@article{OstermeyerKlemzHeueretal.2002,
  author    = {Ostermeyer, Martin and Klemz, Guido and Heuer, Axel and Menzel, Ralf},
  title     = {High Brightness Double and Single Rod Nd:YAG Laser Oscillators with up to 180 W and M2 < 1.2},
  year      = {2002},
  language  = {en}
}