Abstract
Multi-pixel THz photoconductive emitters are an emerging class of THz source that can extend the capabilities of THz time-domain spectrometers and THz imaging systems dramatically. Here we report our recent work using pixel arrays to steer and shape the transverse profile of a THz beam. Further, pixel arrays containing orthogonal elements can be used to generate linear, circular, radial or azimuthal THz beams, where the polarisation purity can be dynamically tuned electrically.
© 2023 The Author(s)
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