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

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.

Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1966
Accession Number
AD0643911

Entities

People

  • E. Ray Huppi

Organizations

  • Utah State University

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Aircrafts
  • Altitude
  • Atmospheres
  • Emission
  • High Altitude
  • Interferometers
  • Measurement
  • Spectrometers

Fields of Study

  • Physics

Readers

  • Astronomy and Astrophysics.
  • Optical Fiber Sensing and Electromagnetic Propagation.
  • Thermal Physics or Thermal Science.