Generation of hollow beams by using a binary spatial light modulator.

@article{Fatemi2006GenerationOH,
  title={Generation of hollow beams by using a binary spatial light modulator.},
  author={Fredrik K. Fatemi and Mark Bashkansky},
  journal={Optics letters},
  year={2006},
  volume={31 7},
  pages={864-6}
}
We demonstrate the generation of hollow laser beams by using a binary spatial light modulator and compare the results with those for a continuous modulator. The binary phase modulator produces beams that have continuous, azimuthally varying phase profiles and can be dynamically changed with kilohertz refresh rates. The intensity and phase profiles are… CONTINUE READING