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astro-ph1997
Mesosphere Sodium Column Density and the Sodium Laser Guide Star Brightness
Jian Ge, J. R. P. Angel, B. D. Jacobsen +7
The first time simultaneous measurements of sodium column density and the absolute flux from a sodium laser guide star, created by a monochromatic 3 W cw laser, tuned to the peak o…
astro-ph1996
An Optical Ultrahigh Resolution Spectrograph for Use with Adaptive Optics
J. Ge, B. Jacobsen, J. R. P. Angel +5
A prototype ultrahigh resolution spectrograph has been built with an adaptive optics telescope. It provides resolving power, 300 Å wavelength coverage and 0.8\% efficienc…