A group of engineers at the University has created new laser sensing technology that has future applications in bomb detection and in airborne pollutant measurement. Instead of previous remote laser sensing methods, in which the returning beam of light is a reflection of the outgoing beam, the new system generates an entirely new laser beam from oxygen atoms whose elections have been excited to high energy levels.
The returning beam is thousands of times stronger in the new method developed by professors Richard Miles and Marlan Scully, research scholar Arthur Dogariu and James Michael GS, which will allow them to determine not just how many contaminants are in the air but also the identity and location of these contaminants. These specifics have been of concern when detecting explosive vapors in the past because, for explosives, the amount of gas emitted is miniscule.
So far the research has been focused on developing the underlying methods for detection. The process has been demonstrated in the laboratory over a distance of about a foot and a half, although researchers foresee extension of this distance in the near future.
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