Satellite and retroreflector atmospheric spectroscopy system
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United States of America Patent
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Oct 26, 2004
Grant Date -
Jul 31, 2003
app pub date -
Dec 20, 2002
filing date -
Dec 20, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for obtaining atmospheric spectroscopy measurements from an observation platform using retroreflectors is disclosed. The observation platform is located above the surface of a planetary body, and at least one retroreflector is located on the surface of the planetary body. Electromagnetic radiation from a radiation source that is incident upon the retroreflector is reflected to a spectrometer located on the observation platform. By analyzing the received radiation, the spectrometer obtains atmospheric spectroscopy measurements for the atmospheric region through which the incident and reflected radiation pass.
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