Looking into four-dimensional space with light

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Optical setup based on a spatial light modulator, which tailores the two incommi
Optical setup based on a spatial light modulator, which tailores the two incomming beams (not drawn). Their superposition generates the Hopfion structure. Waveplate and beam splitter together generate orthogonal circular polarization for both beams. © WWU - Ramon Droop
Optical setup based on a spatial light modulator, which tailores the two incomming beams (not drawn). Their superposition generates the Hopfion structure. Waveplate and beam splitter together generate orthogonal circular polarization for both beams. WWU - Ramon Droop Light is used for various purposes in nowadays applications. For example, data can be transmitted with light and nanoscopic structures can be created by light. To enable such applications, light must be structured. To do this, its properties - intensity (brightness), phase (position in oscillation-cycle) and polarization (direction of the oscillation) - are "tailored".
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