Atmospheric transmission spectroscopy using the sun as the source

Gutman, William; Peterson, William A.; Matise, Brian K.; Manning, J. L.; Soulon, Ross E.

doi:10.1364/ao.29.003213

Cited by 2 publications

(1 citation statement)

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“…While the spectroscopic parameters for O 2 have been trusted by the community for many years, recent studies 2,3,4 have suggested that the quoted values for the near-infrared water lines need to be reconsidered. Historically, water vapor spectral measurements in the near-IR region just beyond 1000 nm are sparse owing to the lack of good light sources and detectors at those wavelengths.…”

Section: Introductionmentioning

confidence: 99%

High-resolution spectra of atmospheric water vapor in the near-IR using Raman-shifted alexandrite laser

2002

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We have developed a pulsed, narrow line Raman shifted alexandrite laser to produce tunable near-IR radiation in the 1140 nm absorption band of water vapor. With the first Stokes Raman conversion in hydrogen, the full tuning range of alexandrite, 730-790 nm, can potentially cover the wavelength range 1050 1200 nm. The application to differential absorption lidar, DIAL, is the vertical profiling of humidity and temperature in the atmosphere. This paper reports the application of Raman-shifted alexandrite radiation for new quantitative measurements of the strengths and widths of water vapor absorption lines between 8865 and 8915 cm -1 . Alexandrite wavelength determination was obtained with oxygen Aband rotational lines near 765 nm. Similar applications and studies of the water vapor band near 940 nm can be readily carried out by Raman-shifting in deuterium.

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Section: Introductionmentioning

confidence: 99%