Remotely induced atmospheric lasing
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We propose and analyze a remote atmospheric lasing configuration which utilizes a combination of an ultrashort pulse laser to form a plasma filament (seed electrons) by tunneling ionization and a heater pulse which thermalizes the seed electrons. Electrons collisionally excite nitrogen molecules and induce lasing in the ultraviolet. The lasing gain is sufficiently high to reach saturation within the length of the plasma filament. A remotely generated ultraviolet source may have applications for standoff detection of biological and chemical agents. © 2011 American Institute of Physics.
author list (cited authors)
Sprangle, P., Peñano, J., Hafizi, B., Gordon, D., & Scully, M.