Reconstructing the Poynting vector skew angle and wave-front of optical vortex beams via two-channel moiré deflectometery
Yeganeh, Mohammad · Rasouli, Saifollah · Dashti, Mohsen · Slussarenko, Sergei · Santamato, Enrico · Karimi, Ebrahim
Original · EN
A novel approach based on the two-channel moiré deflectometry has been used to measure both wave-front and transverse component of the Poynting vector of an optical vortex beam. Generated vortex beam by the q-plate, an inhomogeneous liquid crystal cell, has been analyzed with such technique. The measured topological charge of generated beams are in an excellent agreement with theoretical prediction.
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