Interlune Produces Pure Helium-3 from Domestic Helium Using Novel Cryogenic Technology - Yahoo Finance Singapore

Researchers at the University of Alberta predict a new quantum sensor could detect magnetic fields as weak as 24 aT/√Hz in just 10 minutes. This sensitivity, achieved with a 10 W ultraviolet laser, has the potential to surpass that of current cryogenic magnetometers, devices that require extremely low temperatures to operate. The analysis reveals that a relative intensity noise of -100 dBc/Hz is important for optimal performance, guiding efforts to either increase laser power or minimize noise. The approach uses a noble gas, eliminating the need for alkali vapors and enabling hours-long spin relaxation at room temperature.

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