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Labeled picture of laboratory-constructed solid-state DNP device for hyperpolarization. The magnetic field is supplied via superconducting magnet, while a liquid helium flow cryostat allows the sample to be held at cryogenic temperatures. The Gunn diode provides microwaves to transfer polarization from electrons to nearby nuclei, and the on-board NMR system allows the buildup of hyperpolarization to be monitored in real time for dynamics studies and quality control.
