@article{RaabMenzel2002,
  author    = {Raab, Volker and Menzel, Ralf},
  title     = {External resonator design for high-power laser diodes that yields 400 mW of TEM00 power},
  year      = {2002},
  language  = {en}
}
@article{RaabMenzel2002,
  author    = {Raab, Volker and Menzel, Ralf},
  title     = {Phase-locked array of 25 broad-area lasers},
  isbn      = {0-8194-4368-9},
  year      = {2002},
  language  = {en}
}