Use of monochromators during AXAF calibration

Douglas A. Swartz; Ronald F. Elsner; Jeffery J. Kolodziejczak; Stephen L. O'Dell; Allyn F. Tennant; Martin E. Sulkanen; Martin C. Weisskopf; Richard J. Edgar

doi:10.1117/12.331236

19 November 1998 Use of monochromators during AXAF calibration

Douglas A. Swartz, Ronald F. Elsner, Jeffery J. Kolodziejczak, Stephen L. O'Dell, Allyn F. Tennant, Martin E. Sulkanen, Martin C. Weisskopf, Richard J. Edgar

Author Affiliations +

Proceedings Volume 3444, X-Ray Optics, Instruments, and Missions; (1998) https://doi.org/10.1117/12.331236
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

Two monochromator sources were used during the AXAF calibration at Marshall Space Flight Center's X-ray Calibration Facility. Data acquired using these sources require special analysis owing to large spatial variations in the monochromators' beams and to higher-order contributions to the spectral content. A description of the two monochromators is given, followed by a discussion of the spectral and spatial content as monitored by beam- normalization detector flow proportional counters. Emphasis is given to the methodology employed in determining the spatial content through fits to beam uniformity measurements. A model is described which adequately represents the beam spatial properties over the range of source conditions encountered during calibration.

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Douglas A. Swartz, Ronald F. Elsner, Jeffery J. Kolodziejczak, Stephen L. O'Dell, Allyn F. Tennant, Martin E. Sulkanen, Martin C. Weisskopf, and Richard J. Edgar "Use of monochromators during AXAF calibration", Proc. SPIE 3444, X-Ray Optics, Instruments, and Missions, (19 November 1998); https://doi.org/10.1117/12.331236

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