Terahertz near-field imaging using a Y splitter and Sommerfeld wire waves on bare metal rods
Résumé
We describe a near-field experiment using a Y splitter supporting cw THz Sommerfeld wire modes coupled and de-coupled with differential phase plates. Owing to a taper up to similar to 50 mu m of one of the Y ends, a near-field imaging resolution of similar to 90 mu m is demonstrated in agreement with calculations.
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