Generation of propagation-dependent oam self-torque with chirped spiral gratings

HIGHLIGHTS

• What: It was demonstrated that the angular velocity of OAM beams can be controlled by programming digital non-uniform spiral gratings into the calibrated phase map of a reflective high-resolution LCoS-SLM.
• Who: Ruediger Grunwald et al. from the SENTECH Instruments GmbH, Schwarzschildstraße, Berlin, Germany have published the article: Generation of Propagation-Dependent OAM Self-Torque with Chirped Spiral Gratings, in the Journal: Photonics 2024, 11, x FOR PEER REVIEW of /2024/
• How: The spirals used in the experiments were generated with online available freeware
• Future: An extended theoretical . . .
  

   

  

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