[time-nuts] Mini Magnetic Sensor May Have Biomedical, Security Applications

Brooke Clarke brooke at pacific.net
Sat Nov 10 19:23:30 UTC 2007


Hi:

NIST has come up with a new magnetic sensor that's in the 3 to 40 fT range. 
It's based on a Rb cell's sensivity to magnetic fields.  It's based on the work 
done for the Chip-Scale Atomic Clock.  See:
http://www.nist.gov/public_affairs/techbeat/tb2007_1108.htm#magnetometer
http://patapsco.nist.gov/ImageGallery/details.cfm?imageid=45 <- image of sensor
http://www.nist.gov/public_affairs/releases/CSMagnetometer.htm <- pressrelease
http://www.nist.gov/public_affairs/releases/miniclock.htm

Is this something that could be done using the Rb cell from a frequency standard?

-- 
Have Fun,

Brooke Clarke
http://www.PRC68.com
http://www.precisionclock.com
http://www.prc68.com/I/WebCam2.shtml 24/7 Sky-Weather-Astronomy Cam




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