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Proceedings Paper

Characterization of a long-focal-length polycapillary optic for high-energy x-rays
Author(s): Padiyar Cari; - Suparmi; Sushil D. Padiyar; Walter M. Gibson; Carolyn A. MacDonald; Cheryl D. Alexander; Marshall K. Joy; Christine H. Russell; Zewu Chen
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Paper Abstract

Polycapillary fibers and a prototype collector for high energy x rays with a 2 m focal length have been fabricated and characterized. Measurements of a prototype collector, performed in collimating mode, show that the optic has high transmission, good uniformity, and small exit divergence. The transmission as a function of energy was analyzed using an extended single fiber geometrical optic simulation and the result shows that the simulation fits the data fairly well. Scatter transmission and contrast enhancement were measured in focusing mode using a parallel beam input.

Paper Details

Date Published: 2 November 2000
PDF: 10 pages
Proc. SPIE 4144, Advances in Laboratory-based X-Ray Sources and Optics, (2 November 2000); doi: 10.1117/12.405898
Show Author Affiliations
Padiyar Cari, SUNY/Albany (United States)
- Suparmi, SUNY/Albany (United States)
Sushil D. Padiyar, SUNY/Albany (United States)
Walter M. Gibson, SUNY/Albany (United States)
Carolyn A. MacDonald, SUNY/Albany (United States)
Cheryl D. Alexander, NASA Marshall Space Flight Ctr. (United States)
Marshall K. Joy, NASA Marshall Space Flight Ctr. (United States)
Christine H. Russell, Bede Scientific Inc. (United States)
Zewu Chen, X-Ray Optical Systems, Inc. (United States)

Published in SPIE Proceedings Vol. 4144:
Advances in Laboratory-based X-Ray Sources and Optics
Carolyn A. MacDonald; Ali M. Khounsary, Editor(s)

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