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Mapping terahertz waves

A fibre probe that relies on frequency mixing in a nonlinear crystal provides an all-optical scheme for mapping the amplitude and phase of terahertz fields.

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Figure 1: A zoomed-in view of the optical fibre THz probe (red) with a nonlinear ZnTe crystal (blue) attached to its tip.

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Correspondence to Saverio Bartalini or Paolo De Natale.

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Bartalini, S., De Natale, P. Mapping terahertz waves. Nature Photon 9, 147–148 (2015). https://doi.org/10.1038/nphoton.2015.27

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