Optex expands on its industry leading outdoor battery powered intrusion line by adding the SL-350QFR, a 350 ft. battery-powered photoelectric detector requiring no trenching or wiring. “Even with the ...

Experimental setup showing the two ultrafast silicon detectors used to determine the energy of clinical proton beams. (Courtesy: Anna Vignati) Beam energy is a key parameter in particle therapy, ...

GJD design and manufacture a wide range of external perimeter protection products that identify genuine threats and create alerts when an intruder is at the boundary, rather than inside the premises.

This circuit is presented as an alternative to the IR beam break detector featured in the June 2009 issue (Silicon Chip). In order to make it relatively insensitive to ambient light, it uses a ...

An important new ILC calorimeter research program was installed in the the Fermilab Meson Test Beam Facility on April 15, 2008. It is the largest detector and test beam program run at the Meson Test ...