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Proceedings Article

A far and extreme ultraviolet limb imaging spectrograph for DMSP satellites

[+] Author Affiliations
Robert P. McCoy, Kenneth F. Dymond, Gilbert G. Fritz, Stefan E. Thonnard, Robert R. Meier, Paul A. Regeon

Naval Research Lab. (USA)

Proc. SPIE 1745, Instrumentation for Planetary and Terrestrial Atmospheric Remote Sensing, 310 (June 29, 1992); doi:10.1117/12.60624
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From Conference Volume 1745

  • Instrumentation for Planetary and Terrestrial Atmospheric Remote Sensing
  • Supriya Chakrabarti; Andrew B. Christensen
  • San Diego, CA, United States | July 22, 1992

abstract

The Naval Research Laboratory is developing a limb imaging far- and extreme-ultraviolet (FUV/EUV) spectrograph (800-1700 A) to measure vertical profiles of the ionospheric and thermospheric airglow from DMSP Block 5D3 satellites. The spectrograph, called the Special Sensor Ultraviolet Limb Imager (SSULI), uses a near-Wadsworth optical configuration with a mechanical grid collimator, concave grating and linear array detector. Measured airglow profiles from the SSULI sensors will be used to infer vertical profiles of electron density and neutral density. At night, electron densities will be determined by measurement of ion recombination nightglow. Daytime electron densities will be obtained from measurements of multiple resonant scattering of O(+) 834 A radiation produced primarily by photoionization excitation. Dayside neutral densities and temperatures will be inferred from measurement of dayglow emissions from N2 and O produced by photoelectron impact excitation.

© (1992) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Robert P. McCoy ; Kenneth F. Dymond ; Gilbert G. Fritz ; Stefan E. Thonnard ; Robert R. Meier, et al.
"A far and extreme ultraviolet limb imaging spectrograph for DMSP satellites", Proc. SPIE 1745, Instrumentation for Planetary and Terrestrial Atmospheric Remote Sensing, 310 (June 29, 1992); doi:10.1117/12.60624; http://dx.doi.org/10.1117/12.60624


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