Pulse-train excitation of sodium for use as a synthetic beacon
- 1 October 1992
- journal article
- research article
- Published by Optica Publishing Group in Journal of the Optical Society of America B
- Vol. 9 (10) , 1931-1944
- https://doi.org/10.1364/josab.9.001931
Abstract
The responses of two-level atoms and of sodium atoms to trains of repetitively pulsed resonance radiation are computed. It is found that the optimum backscatter from mesospheric sodium for a given irradiance is attained when the pulse trains are phase modulated and when the lengths of individual pulses are in the 500–700-ps range, corresponding to a transform-limited bandwidth somewhat smaller than the Doppler-broadened hyperfine-structure pattern of the D2 line.This publication has 15 references indexed in Scilit:
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