Within the past years, structured light has paved the way to advanced optical manipulation. Besides well-established amplitude and phase structuring, we will present the pioneering topical role of polarization modification for innovative trapping landscapes. Beyond, by combining scalar and vectorial modulation, fully-structured light becomes available including sophisticated spin and orbital energy flow topologies – thus, trapping gets full structure. Additionally, we present tight focusing as a tool for 4D light field customization, demonstrate its application as well as identification. These tailored focal fields of 3D polarization will revolutionize trapping of polarization sensitive objects, allowing for the formation of advanced functional matter.
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