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  • 1
    Publication Date: 2019-06-28
    Description: Experimental data are employed to calculate absorption cross sections for several rotational lines in the OH A-X system. The cross sections are computed as functions of the spectral and line widths and temperature of a laser beam, and account for lifetimes and branching ratios. Detection limits for the P1(2) transition of the (1,0) band were examined. The oscillator strengths and cross-sections obtained are important for quantifying OH concentrations in the stratosphere from lidar return signals.
    Keywords: GEOPHYSICS
    Type: Journal of Quantitative Spectroscopy and Radiative Transfer (ISSN 0022-4073); 32; 179-184
    Format: text
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  • 2
    Publication Date: 2019-06-27
    Description: Experimental research on a near infrared tunable dye laser was reported, and theoretical simulations were presented for various lidar configurations. The visible and nearinfrared wavelengths considered were suitable for observations of aerosols, water vapor, molecular oxygen pressure and temperature in the troposphere and above. The first phase of development work was described on a ruby pumped, tunable dye laser for the wavelength region 715 to 740 nanometers. Lidar simulations were summarized for measurements of H2O and for two color lidar observations of aerosols in the atmosphere.
    Keywords: GEOPHYSICS
    Type: NASA-CR-155798 , BN-871
    Format: application/pdf
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  • 3
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    In:  CASI
    Publication Date: 2019-07-13
    Description: This program exists to provide support for the balloon stratospheric remote sensing program. Its purpose is to provide laboratory data and engineering support for the remote sensing effort. The goals and efforts are chosen in reponse to both short term and long term needs of the lidar effort. Progress was made on interfacing a Fizeau wave meter to a microcomputer in a way that is compatible with the electronics of the stratospheric balloon system. Installation was begun on a low divergence excimer laser system.
    Keywords: GEOPHYSICS
    Type: NASA-CR-179767 , NAS 1.26:179767
    Format: application/pdf
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