Accession Number : AD0643911

Title :   TECHNIQUES FOR THE MEASUREMENT OF AIRGLOW AND AURORA IN THE INFRARED.

Descriptive Note : Interim rept.,

Corporate Author : UTAH STATE UNIV LOGAN ELECTRO-DYNAMICS LABS

Personal Author(s) : Huppi,E. Ray

Report Date : 01 JUL 1966

Pagination or Media Count : 36

Abstract : Two systems designed to enable the spectral measurement of the airglow in the 2 to 4 micron region have been developed. Both systems are designed for use in high-altitude aircraft. This eliminates the problem of strong thermal emission of the lower atmosphere which is encountered when making airglow measurements in the 2 to 4 micron region from the ground. In the first system the entire measurement apparatus, including the interferometer-spectrometer, is cooled in order to eliminate unwanted thermal emission. The second system incorporates the use of a cold chopper mounted outside the aircraft. This technique allows the interferometer-spectrometer to be maintained at normal temperatures.

Descriptors :   (*AIRGLOW, INFRARED EQUIPMENT), (*AURORAE, INFRARED EQUIPMENT), SKY BRIGHTNESS, NIGHT SKY, UPPER ATMOSPHERE, INFRARED RESEARCH, INTERFEROMETERS, RADIOMETERS, SPECTRUM ANALYZERS, INFRARED SPECTRA

Subject Categories : Atmospheric Physics
      Optics

Distribution Statement : APPROVED FOR PUBLIC RELEASE