Backscattering from the upper atmosphere /75-160 km/ detected by optical radar.
Ruby laser optical radar detection of upper atmospheric backscattering
RADIATION DETECTOR↗
Engineering topics
Alley, C. O.
Publications and source records attributed to Alley, C. O..
Optical radar using a corner reflector on the moon.
Lunar corner reflector landing proposal for laser beam precision measurements including Moon orbit, size, ephemeris time and libration
OPTICAL RADAR↗