Gain-Swept Superradiance Applied to the Stand-Off Detection of Trace Impurities in the Atmosphere

We show that gain-swept superradiance can be used to detect low (parts per million) concentrations of various gases at distances on the order of kilometers, which is done by using pulse timing to create small regions of gain at positions that sweep toward a detector. The technique is far more sensit...

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Veröffentlicht in:Proceedings of the National Academy of Sciences - PNAS 2005-05, Vol.102 (22), p.7806-7811
Hauptverfasser: Kocharovsky, V., Cameron, S., Lehmann, K., Lucht, R., Miles, R., Rostovtsev, Y., Warren, W., Welch, G. R., Scully, M. O.
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container_issue 22
container_start_page 7806
container_title Proceedings of the National Academy of Sciences - PNAS
container_volume 102
creator Kocharovsky, V.
Cameron, S.
Lehmann, K.
Lucht, R.
Miles, R.
Rostovtsev, Y.
Warren, W.
Welch, G. R.
Scully, M. O.
description We show that gain-swept superradiance can be used to detect low (parts per million) concentrations of various gases at distances on the order of kilometers, which is done by using pulse timing to create small regions of gain at positions that sweep toward a detector. The technique is far more sensitive than previous methods such as light detection and ranging or differential absorption light detection and ranging.
doi_str_mv 10.1073/pnas.0500534102
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subjects Amplifiers
Atmosphere
Atmospherics
Clouds
Gases
Infrared radiation
Lasers
LIDAR
Molecules
Photons
Physical Sciences
Physics
Pollution
Population inversion
Pulse duration
title Gain-Swept Superradiance Applied to the Stand-Off Detection of Trace Impurities in the Atmosphere
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