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Comments on Can 'Dimers' Be Used For Star Trek's Long Range Sensors?
From 'Using Dimers to Measure Biosignatures and Atmospheric Pressure for Terrestrial Exoplanets'. (Read the complete story)

"There are other possibilities; for example, an 'air laser' sensing technology developed at Princeton may be able to remotely measure airborne environmental pollutants and greenhouse gasses.

(Air Laser)
The image shows a pulse of infra-red light
from this "air laser." The center region
represents the highest intensity;
the outer areas have lower intensity light.
The technique could be used for sensing
minute quantities of gas in the air
from a distance.

Read more at 'Air Laser' Long-Range Sensor.

Also, take a look at this dual-laser sensing system under development at the Department of Energy's Oak Ridge National Laboratory.

(Pump-probe photothermal spectroscopy using quantum cascade lasers)

Learn more about Dual-Laser Sensing.

(Bill Christensen 3/13/2014 2:51:21 PM)

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