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  • INSTRUMENTATION AND PHOTOGRAPHY  (2)
  • 1985-1989  (2)
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  • 1
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    Unknown
    Planned investigation of infrared emissions associated with the induced spacecraft glow: A shuttle infrared glow experiment (SIRGE) (1985)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: The characteristics of infrared molecular emissions induced by energetic collisions between ambient atmospheric species and surfaces in Earth orbit are investigated, using a low-nitrogen-cooled filter wheel photometer covering the wavelength range 0.9-.5 microns with a resolving power Lambda/Delta Lambda of approximately 100. This resolving power is sufficient for identification of the molecular or atomic fluorescent spaces causing the glow.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA. Marshall Space Flight Center 2d Workshop on Spacecraft Glow; p 250-259
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
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    Unknown
    Laser heterodyne spectrometer for helioseismology (1986)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: The technique of laser heterodyne spectroscopy has been applied to the measurement of solar oscillations. Coherent mixing of solar radiation with the output of a frequency-stabilized CO2 laser permits the measurement of fully resolved profiles of solar absorption lines with high spectral purity and excellent frequency stability. This technique has been used to measure OH pure rotation lines in the infrared solar spectrum. Power spectra of these line frequency measurements show the well-known 5-min oscillations as well as significant velocity power at shorter periods.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Applied Optics (ISSN 0003-6935); 25; 58-62
    Format: text
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    NASA TECHNICAL REPORTS
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