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

Craig, William W. and Christensen, Finn E. and Decker, Todd and Hailey, Charles J. and Harrison, Fiona A. and Hill, Randal M. and Jimenez-Garate, Mario and Mao, Peter and Schindler, Steven (1998) Hard x-ray optics for the HEFT balloon-borne payload: prototype design and status. In: EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy IX. Proceedings of SPIE. No.3445. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, pp. 112-120. ISBN 9780819429001. https://resolver.caltech.edu/CaltechAUTHORS:20180731-114052914

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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.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1117/12.330269DOIArticle
ORCID:
AuthorORCID
Christensen, Finn E.0000-0001-5679-1946
Harrison, Fiona A.0000-0003-2992-8024
Additional Information:© 1998 Society of Photo-Optical Instrumentation Engineers (SPIE). This work was supported under NASA grant NAG5-5129. M. Stern has helped to refine the thermal forming process and K. Knox has helped quantify and study the process.
Group:Space Radiation Laboratory
Funders:
Funding AgencyGrant Number
NASANAG5-5129
Series Name:Proceedings of SPIE
Issue or Number:3445
Record Number:CaltechAUTHORS:20180731-114052914
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180731-114052914
Official Citation: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, "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); doi: 10.1117/12.330269; https://doi.org/10.1117/12.330269
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:88383
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:31 Jul 2018 20:03
Last Modified:03 Oct 2019 20:06

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