Steering accuracy of a spatial light modulator-based single beam steerer: guidelines and limitations

Engström, David,1976Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),University of Gothenburg (författare)

The positioning accuracy when a phase-only one dimensional spatial light modulator (SLM) is used for beam steering is limited by the number of pixels and their quantized phase modulation. Optimizing the setting of the SLM pixels individually can lead to the inaccuracy being a significant fraction of the diffraction limited spot size. This anomalous behaviour was simulated numerically, and experiments showed the same phenomena with very good agreement. However, by including an extra degree of freedom in the optimization of the SLM setting, we show that the accuracy can be improved by a factor proportional to the number of pixels in the SLM.

Bengtsson, Jörgen,1968Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)jorgenb (författare)
Eriksson, Emma,1980Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),University of Gothenburg(Swepub:gu)xeriem (författare)
Goksör, Mattias,1975Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),University of Gothenburg(Swepub:gu)xgokma (författare)
Göteborgs universitetInstitutionen för fysik (GU) (creator_code:org_t)

Av författaren/redakt...: Engström, David, ...; Bengtsson, Jörge ...; Eriksson, Emma, ...; Goksör, Mattias, ...

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