Koglin, Jason E. and Christensen, Finn E. and Chonko, Jim and Craig, William W. and Decker, Todd R. and Jimenez-Garate, Mario A. and Gunderson, Kurt and Hailey, Charles J. and Harrison, Fiona A. and Jensen, Carsten P. and Sileo, Mike and Windt, David L. and Yu, Haitao (2003) Development and production of hard X-ray multilayer optics for HEFT. In: X-Ray and Gamma-Ray Telescopes and Instruments for Astronomy. Proceedings of SPIE. No.4851. Society of Photo-Optical Instrumentation Engineers (SPIE) , Bellingham, WA, pp. 607-618. ISBN 0-8194-4630-0. https://resolver.caltech.edu/CaltechAUTHORS:20180111-131341721
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Abstract
The High Energy Focusing Telescope (HEFT) will observe a wide range of objects including young supernova remnants, active galactic nuclei, and galaxy clusters at energies between 20 and 70 keV. Large collecting areas are achieved by tightly nesting layers of grazing incidence mirrors in a conic approximation Wolter-I design. The segmented mirrors that form these layers are made of thermally formed glass substrates coated with depth-graded multilayer films for enhanced reflectivity. The mirrors are assembled using an over-constraint method that forces the overall shape of the nominally cylindrical substrates to the appropriate conic form. We will present performance data on the HEFT optics and report the current status of the assembly production.
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| Additional Information: | © 2003 Society of Photo-Optical Instrumentation Engineers (SPIE). This technical progress described in this paper could not have been made without the expert and tireless work of our technical staff. In particular, Marcela Stern was essential in defining the slumping techniques. We are very grateful to CASA at the University of Colorado for hosting us as guests at their excellent long-beam UV facility. This work is supported by a NASA grant to Columbia University: NAG5-5260 (Thermally Formed Optics for X-Ray and Gamma-Ray Astronomy), and by NASA grants to the California Institute of Technology with subawards to Columbia: Caltech No. 1019776 (High Energy Focussing Telescope) and Caltech No. 1046806 (Critical Technologies for the Constellation Hard X-Ray Telescope). | ||||||||
| Group: | Space Radiation Laboratory | ||||||||
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| Subject Keywords: | X-ray optics, Hard X-ray telescope | ||||||||
| Series Name: | Proceedings of SPIE | ||||||||
| Issue or Number: | 4851 | ||||||||
| DOI: | 10.1117/12.461479 | ||||||||
| Record Number: | CaltechAUTHORS:20180111-131341721 | ||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20180111-131341721 | ||||||||
| Official Citation: | Jason E. Koglin, Finn Erland Christensen, Jim Chonko, William W. Craig, Todd R. Decker, Mario A. Jimenez-Garate, Kurt S. Gunderson, Charles J. Hailey, Fiona A. Harrison, Carsten P. Jensen, Mike Sileo, David L. Windt, Haitao Yu, "Development and production of hard X-ray multilayer optics for HEFT", Proc. SPIE 4851, X-Ray and Gamma-Ray Telescopes and Instruments for Astronomy, (11 March 2003); doi: 10.1117/12.461479 | ||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||
| ID Code: | 84260 | ||||||||
| Collection: | CaltechAUTHORS | ||||||||
| Deposited By: | Ruth Sustaita | ||||||||
| Deposited On: | 11 Jan 2018 23:01 | ||||||||
| Last Modified: | 15 Nov 2021 20:18 |
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