@article{VerpoortBittnerWittrock2020,
  author    = {Sven Verpoort and Matthias Bittner and Ulrich Wittrock},
  title     = {Fast focus-shifter based on a unimorph deformable mirror},
  journal   = {Applied Optics},
  volume    = {59},
  number    = {23},
  pages     = {6959 -- 6965},
  doi       = {10.1364/AO.397495},
  url       = {https://www.osapublishing.org/ao/abstract.cfm?uri=ao-59-23-6959},
  year      = {2020},
}