New T-ray Device to Explore Obscure Cosmic Radiation

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New T-ray Device to Explore Obscure Cosmic Radiation
Colored scanning electron microscope image showing a superconducting "hot electron bolometer" (HEB) for detection of terahertz radiation. The superconducting niobiumnitride nano-bridge is shown at the center which connects to the on-chip (partly shown) gold spiral antenna via additional contact pads. The strip covering the bridge is a left-over from the processing. (Image credit: TU Delft)

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