Stray-light analysis of the SABER telescope

John L. Stauder; Roy W. Esplin; Lorin Zollinger; Martin G. Mlynczak; James M. Russell III; Larry L. Gordley; Benjamin Thomas Marshall

doi:10.1117/12.221362

29 September 1995 Stray-light analysis of the SABER telescope

John L. Stauder, Roy W. Esplin, Lorin Zollinger, Martin G. Mlynczak, James M. Russell III, Larry L. Gordley, Benjamin Thomas Marshall

Author Affiliations +

Proceedings Volume 2553, Infrared Spaceborne Remote Sensing III; (1995) https://doi.org/10.1117/12.221362
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

The stray light analysis of the sounding of the atmosphere using broadband emission radiometry (SABER) instrument on the thermosphere-ionosphere-mesosphere energetics and dynamics (TIMED) mission is discussed. Relevant mission objectives and operating conditions are stated to define the stray light problem. Since SABER is an earth limb viewing sensor, the telescope must be designed for large off-axis rejection. Described are the key design features which make the instrument well suited for its mission. Representative point source transmittance (PST) curves computed using the commercial stray light program APART are presented. Nonrejected radiance (NRR) values computed using APART generated PST curves and LINEPACK generated curves for the total radiance from the earth and the atmosphere are given. A method for computing NRR from the earth and the atmosphere using line-of-sight radiance profiles versus tangent height is described. Computed NRR values demonstrate that the effect of stray light on SABER's measurement capability is negligible.

Citation Download Citation

John L. Stauder, Roy W. Esplin, Lorin Zollinger, Martin G. Mlynczak, James M. Russell III, Larry L. Gordley, and Benjamin Thomas Marshall "Stray-light analysis of the SABER telescope", Proc. SPIE 2553, Infrared Spaceborne Remote Sensing III, (29 September 1995); https://doi.org/10.1117/12.221362

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