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CNM's QuEEN-M platform merges atomic-resolution STEM with ultrafast spectroscopy to enable time-resolved studies of dynamic material processes at sub-nanometer scales. By integrating cathodoluminescence and electron energy-loss spectroscopy with a novel fiber-coupled mirror design, the system addresses signal collection efficiency while minimizing sample heating. This instrumentation advances the capability to probe light-matter interactions and transient electromagnetic fields, offering significant utility for quantum information science and microelectronics research.
CNM’s QuEEN-M Integrates Atomic-Resolution STEM with Ultrafast Studies

QuEEN-M, a new platform at CNM, combines atomic-resolution STEM with ultrafast studies—down to picosecond timescales—for materials research.
Researchers can now observe materials’ dynamic processes at a fine scale thanks to the Quantum Emitter Electron Nanomaterial Microscope, or QuEEN-M, a new platform available through the CNM user program. The instrument integrates an atomic-resolution scanning transmission electron microscope with…
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