Optical ranging and vibration sensing based on the lagging propagation phase of structured beams.
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DOI: 10.1364/ol.510527
Abstract: Recently, studies have shown that the spatial confinement on waves or photons with beam shaping techniques would modify the propagation speed of optical fields including both group and phase velocities. Particularly, for the monochromatic spatially… read more here.
Keywords: propagation; propagation phase; structured beams; lagging propagation ... See more keywords