Browsing Department of Physics, UW-Madison by Author "Wakai, Ronald T."
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A Portable Ultrasensitive SERF Atomic Magnetometer for Biomagnetic Measurements
Wyllie, Robert; Li, Zhimin; Cook, Peter; Wakai, Ronald T.; Walker, Thad G. (2007-07-02)We present a portable Rb cell atomic magnetometer suited for biomagnetic measurements. Working in the spin-exchange relaxation free regime, we demonstrate an initial white noise floor of 60 fT/sqrt {Hz}. We show an adult ... -
A Portable Ultrasensitive SERF Atomic Magnetometer for Biomagnetic Measurements
Proite, Nicholas; Cook, Peter; Li, Zhimin; Wakai, Ronald T.; Walker, Thad G.; Wyllie, Robert (2009-09-10)We present a portable Rb cell atomic magnetometer suited for biomagnetic measurements. Working in the spin-exchange relaxation free regime, we demonstrate an initial white noise floor of 60 fT$/\sqrt {Hz} $. We show an ... -
Ultrasensitive Atomic Magnetometers
Wyllie, Robert; Wakai, Ronald T.; Walker, Thad G. (2009-09-10)We have developed a novel, small-volume portable single-channel atomic biomagnetometer and have used it to detect adult MCG signals. The cryogenic-free magnetometer has sufficiently high sensitivity (20 fT/rt(Hz)) that ...