Orbital Angular Momentum In article number 2400008, Edouard Hertz and co-workers show how ultrashort spatially structured beams can sculpt a sample of gas-phase molecules in three dimensions so as to produce a spatial pattern of aligned molecules whose shape and temporal evolution allow to restore the spatial light information on a time-delayed reading pulse. This property can be exploited to establish versatile optical processing of orbital angular momentum fields or to design new photonic devices.
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Voisine et al. (2024) studied this question.
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