Laser beam propagation in the atmosphere at 1.3 um

Susan L. Bragg; J. Daniel Kelley

doi:10.1117/12.18353

1 May 1990 Laser beam propagation in the atmosphere at 1.3 μm

Susan L. Bragg, J. Daniel Kelley

Proceedings Volume 1221, Propagation of High-Energy Laser Beams Through the Earth's Atmosphere; (1990) https://doi.org/10.1117/12.18353
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

Abstract

High-resolution Fourier-transform spectrometry is presently used, in conjunction with a specially designed multipath absorption cell, to obtain molecular absorption spectra in the 1.30-1.32 micron range for water vapor and isotopically substituted water vapor. A range of water vapor number densities, including the foreign gas-pressure broadening of water vapor by air, were studied in order to extract line-shape parameters required for atmospheric laser-propagation modeling. Molecular line shape parameters are summarized for the 1.3-micron region, and estimates are presented for ground-to-space laser propagation at several representative wavelengths. The majority of line strengths are smaller than the corresponding values in the USAF Geophysics Laboratory HITRAN molecular-parameter data base.

Citation Download Citation

Susan L. Bragg and J. Daniel Kelley "Laser beam propagation in the atmosphere at 1.3 μm", Proc. SPIE 1221, Propagation of High-Energy Laser Beams Through the Earth's Atmosphere, (1 May 1990); https://doi.org/10.1117/12.18353

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