Atmospheric solar absorption measurements in the 9 to 11 um region using a diode laser heterodyne spectrometer
Charles N. Harward, James M. Hoell, United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch, Langley Research Center
National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1980 - Technology & Engineering - 11 pages
What people are saying - Write a review
We haven't found any reviews in the usual places.
1300 K blackbody 1300 K Heterodyne 68 Current Amps absorption lines ammonia atmo atmospheric solar absorption atmospheric spectra attributed to stratospheric beamsplitter Charles N Chopper crystal detector diode laser heterodyne emission Eta Ion etalon transmission peak etalon was locked figure 2a fixed frequency system Flip mirror gas cell Hampton heliostat Heterodyne Radiometer TIHR heterodyne signal obtained Heterodyne solar absorption Heterodyne Systems HgCdTe HNO3 reference Infrared Heterodyne Radiometer Langley Research Center laser heterodyne radiometer Lens lock-in amplifier long pass optical modulated NASA OO2 laser operating characteristics pass IF filter pass optical filter performance and operating Performing Organization photomixer pure HNO3 reference gas reference spectra Report scanning etalon scanning mode shown in figure solar absorption spectra solar path solar radiation solid Ge etalon spectral coverage spectral range spectral region spectrum spheric synchronously detected TDL power curve TDL radiation tropospheric tunable diode laser Tunable Infrared Heterodyne tuning range water vapor Wavenumber