New Developments In Instrumentation For Long Path Atmospheric Transmittance And Radiance Measurements

A. Ben-Shalom; A. D. Devir; S. G. Lipson; U. P. Oppenheim; E. Trahovsky

doi:10.1117/12.934037

23 June 1983 New Developments In Instrumentation For Long Path Atmospheric Transmittance And Radiance Measurements

A. Ben-Shalom, A. D. Devir, S. G. Lipson, U. P. Oppenheim, E. Trahovsky

Proceedings Volume 0356, Field Measurement and Calibration Using Electro-Optical Equipment; (1983) https://doi.org/10.1117/12.934037
Event: 26th Annual Technical Symposium, 1982, San Diego, United States

Abstract

Instrumentation and procedures for performing absolute spectral transmittance and radiance measurements over very long atmospheric horizontal paths, up to 50 km, are described. A collimated chopped radiation source was developed using a 64 cm diameter optical collimator and an electrically heated graphite element which operated at 2400 K. For detection a 20 cm diameter spectro-radiometer was developed and used successfully in many field measurements of absolute transmittance. The contribution of the measured data towards improving the LOWTRAN propagation model is presented. The successful development of the instrumentation and its operation make it a very powerful tool for obtaining significant absolute atmospheric transmittance data over very long horizontal paths.

Citation Download Citation

A. Ben-Shalom, A. D. Devir, S. G. Lipson, U. P. Oppenheim, and E. Trahovsky "New Developments In Instrumentation For Long Path Atmospheric Transmittance And Radiance Measurements", Proc. SPIE 0356, Field Measurement and Calibration Using Electro-Optical Equipment, (23 June 1983); https://doi.org/10.1117/12.934037

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