@article{SeefeldtHeuerMenzel2003,
  author    = {Seefeldt, Michael and Heuer, Axel and Menzel, Ralf},
  title     = {Compact white-light source with an average output power of 2.4 W and 900 nm spectral bandwidth},
  year      = {2003},
  language  = {en}
}
@article{HeuerHaenischMenzel2003,
  author    = {Heuer, Axel and H{\"a}nisch, Christoph and Menzel, Ralf},
  title     = {Low-power phase conjugation based on stimulated Brillouin scattering in fiber amplifiers},
  year      = {2003},
  language  = {en}
}
@article{RaabSkoczowskyMenzel2003,
  author    = {Raab, Volker and Skoczowsky, Danilo and Menzel, Ralf},
  title     = {Tuning high-power diodes with as much as 0.38 W of power and M2 = 1.2 over a range of 32 nm with 3-GHz bandwidth},
  year      = {2003},
  language  = {en}
}
@article{HeuerHaenischMenzel2003,
  author    = {Heuer, Axel and H{\"a}nisch, Christoph and Menzel, Ralf},
  title     = {New concept for low threshold optical phase conjugation via SBS in a fiber amplifier},
  isbn      = {0-8194-4772-2},
  year      = {2003},
  language  = {en}
}