We have observed a large variation with laser polarization in the amount of laser light resonantly backscattered from the Earth’s mesospheric sodium layer located at a 90-km altitude. This variation is evidence of optical pumping of mesospheric sodium atoms.
© 1992 Optical Society of America
Original Manuscript: April 20, 1992
Published: August 15, 1992
T. H. Jeys, E. Kibblewhite, R. M. Heinrichs, K. F. Wall, J. Korn, and T. C. Hotaling, "Observation of optical pumping of mesospheric sodium," Opt. Lett. 17, 1143-1145 (1992)