Hard x-ray optics for the HEFT balloon-borne payload:  prototype design and status

William W. Craig; Finn Erland Christensen; Todd R. Decker; Charles J. Hailey; Fiona A. Harrison; Randal M. Hill; Mario A. Jimenez-Garate; Peter H. Mao; Steven M. Schindler

doi:10.1117/12.330269

10 November 1998 Hard x-ray optics for the HEFT balloon-borne payload: prototype design and status

William W. Craig, Finn Erland Christensen, Todd R. Decker, Charles J. Hailey, Fiona A. Harrison, Randal M. Hill, Mario A. Jimenez-Garate, Peter H. Mao, Steven M. Schindler

Author Affiliations +

Proceedings Volume 3445, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy IX; (1998) https://doi.org/10.1117/12.330269
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

We report on the current status and performance of prototype hard x-ray optics we are producing for use on the high energy focusing telescope (HEFT) experiment. The baseline substrates are thermally formed glass mirrors that are overcoated with multilayers to provide good performance throughout the 20-80 keV bandpass. Progress made in the thermal forming process as well as in the multilayer performance has allowed production of optics that meet or exceed all HEFT requirements. We present metrology on the substrates and result from x-ray characterization. A novel mounting scheme for the individual telescope shells is currently being tested. If successful the mounting technique will produce a monolithic, extremely stiff and robust optic.

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William W. Craig, Finn Erland Christensen, Todd R. Decker, Charles J. Hailey, Fiona A. Harrison, Randal M. Hill, Mario A. Jimenez-Garate, Peter H. Mao, and Steven M. Schindler "Hard x-ray optics for the HEFT balloon-borne payload: prototype design and status", Proc. SPIE 3445, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy IX, (10 November 1998); https://doi.org/10.1117/12.330269

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