Some Observations of Meteorological Effects on Optical Wave Propagation
Research and development technical rept.
ARMY ELECTRONICS COMMAND WHITE SANDS MISSILE RANGE NM ATMOSPHERIC SCIENCES LAB
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Values for the refractive index structure coefficient, C sub n squared, were determined from spaced temperature probe measurements and from measurements of the log-amplitude variations in a laser beam. The values of C sub n squared obtained from the optical measurements were smaller than the values obtained from the temperature measurements. Variations in C sub n squared derived by the two methods were in good agreement even though the values obtained optically are over a 440-meter path while the temperature-derived values are essentially point measurements. The variations in the measured horizontal winds along the leeward side of the optical path showed a structure closely related to the optically derived C sub n squared variations.
- Atmospheric Physics
- Lasers and Masers