Characterizing vortex beams from a spatial light modulator with collinear phase-shifting holography.
Andersen JM, Alperin SN, Voitiv AA, Holtzmann WG, Gopinath JT, Siemens ME. Characterizing vortex beams from a spatial light modulator with collinear phase-shifting holography. Appl Opt. 2019 Jan 10; 58(2):404-409.