Graded d-spacing multilayer telescope for high-energy x-ray astronomy

Finn Erland Christensen; Allan Hornstrup; Niels J. Westergaard; Herbert W. Schnopper; James L. Wood; Kevin Parker

doi:10.1117/12.51230

1 January 1992 Graded d-spacing multilayer telescope for high-energy x-ray astronomy

Finn Erland Christensen, Allan Hornstrup, Niels J. Westergaard, Herbert W. Schnopper, James L. Wood, Kevin Parker

Proceedings Volume 1546, Multilayer and Grazing Incidence X-Ray/EUV Optics; (1992) https://doi.org/10.1117/12.51230
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

A high energy telescope design is presented which combines grazing incidence geometry with Bragg reflection in a graded d-spacing multilayer coating to obtain significant sensitivity up to --6O keV. The concept utilizes total reflection and first order Bragg reflection in a graded d-spacing multilayer structure in a way that higher energies are reflected from the deepest layers in the stack. The specific design presented in this paper is based on Ni/C and Mo/C structures with dspacings ranging from 25A to 100 A. X-ray reflectivity data obtained with Cu Kc1 (8. 05 keV) are presented from the first graded d-spacing structures of this kind.

Citation Download Citation

Finn Erland Christensen, Allan Hornstrup, Niels J. Westergaard, Herbert W. Schnopper, James L. Wood, and Kevin Parker "Graded d-spacing multilayer telescope for high-energy x-ray astronomy", Proc. SPIE 1546, Multilayer and Grazing Incidence X-Ray/EUV Optics, (1 January 1992); https://doi.org/10.1117/12.51230

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