@article{SchuellerRuhlDinstuehlerSengeretal.2022,
  author    = {Aaron Sch{\"u}ller-Ruhl and Leonard Dinst{\"u}hler and Thorsten Senger and Stefan Bergfeld and Christian Ingenhag and Robert Fleischhaker},
  title     = {Direct fabrication of arbitrary phase masks in optical glass via ultra-short pulsed laser writing of refractive index modifications},
  journal   = {Applied Physics B},
  editor    = {Jacob Mackenzie},
  volume    = {128},
  number    = {Article number: 208},
  pages     = {1 -- 11},
  doi       = {10.1007/s00340-022-07928-2},
  year      = {2022},
}