Contribution Of Oxygen To Attenuation In The Solar Blind UV Spectral Region

E. Trakhovsky; A. Ben-Shalom; U. P. Oppenheim; A. Devir; L. S. Balfour; M. Engel

doi:10.1117/12.951079

5 July 1989 Contribution Of Oxygen To Attenuation In The Solar Blind UV Spectral Region

E. Trakhovsky, A. Ben-Shalom, U. P. Oppenheim, A. Devir, L. S. Balfour, M. Engel

Proceedings Volume 1038, 6th Mtg in Israel on Optical Engineering; (1989) https://doi.org/10.1117/12.951079
Event: Sixth Meeting of Optical Engineering in Israel, 1988, Tel Aviv, Israel

Abstract

The Solar Blind Ultraviolet (SBUV) spectral region covers the interval between 230 nm and 290 nm. The lower limit of this interval is given by the edge of the Schumann-Runge band and the upper limit is determined by solar radiation penetrating the stratospheric ozone shield. The SBUV region is interesting from the experimental point of view, since the lack of solar background is favorable in such applications as lidar, atmospheric communication and remote sensing. The present models (LOWTRAN-6) include as atmospheric attenuators in this region ozone absorption, aerosol and molecular scattering. New theoretical calculations of the Herzberg I oxygen band predict significant absorption by 0₂. This prediction is confirmed experimentally in the present study. Field measurements at 252, 255 and 264 nm are reported over optical paths of up to 2750 m. Results show that LOWTRAN-6 is inadequate in the SBUV region, as indicated by the present extinction measurements.

Citation Download Citation

E. Trakhovsky, A. Ben-Shalom, U. P. Oppenheim, A. Devir, L. S. Balfour, and M. Engel "Contribution Of Oxygen To Attenuation In The Solar Blind UV Spectral Region", Proc. SPIE 1038, 6th Mtg in Israel on Optical Engineering, (5 July 1989); https://doi.org/10.1117/12.951079

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