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Proceedings Paper

Thin-shell plastic lenses for space and laboratory applications
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Paper Abstract

We have identified an inexpensive, readily available, mechanically stable, extremely smooth, elastic, and mechanically uniform plastic suitable for thin film X-ray optics. Polyethylene terephthalate (PET) is easily deformed without losing its elastic properties or surface smoothness. Most important, PET can be coated with mono- or multilayers that reflect X-rays at grazing incidence. We have used these properties to produce X-ray optics made either as a concentric nest of cylinders or as a spiral. We have produced accurately formed shells in precisely machined vacuum mandresl or used a pin and wheel structure to form a continuously wound spiral. The wide range of medical, industrial and scientific applications for our technology includes: a monochromatic X-ray collimater for medical diagnostics, a relay optic to transport an X-ray beam from the target in a scanning electron microscop0e to a lithium-drifted silicon and microcalorimeter detectors and a satellite mounted telescope to collect celestial X-rays. A wide variety of mono- and multilayer coatings allow X-rays up to ~100 keV to be reflected. Our paper presents data from a variety of diagnostic measurements on the properties of the PET foil and imaging results form single- and multi-shell lenses.

Paper Details

Date Published: 3 November 2004
PDF: 12 pages
Proc. SPIE 5537, X-Ray Sources and Optics, (3 November 2004); doi: 10.1117/12.559774
Show Author Affiliations
Herbert W. Schnopper, Smithsonian Astrophysical Observatory (United States)
Russell Ingram, Smithsonian Astrophysical Observatory (United States)
Eric Silver, Smithsonian Astrophysical Observatory (United States)
Marco Barbera, INAF, Osservatorio Astronomico di Guiseppe S. Viana (Italy)
Roberto Candia, INAF, Osservatorio Astronomico di Guiseppe S. Viana (Italy)
Finn E. Christensen, Danish Space Research Institute (Denmark)
Carsten P. Jensen, Danish Space Research Institute (Denmark)
Suzanne E. Romaine, Smithsonian Astrophysical Observatory (United States)
D. Vernani, INAF, Osservatorio Astronomico di Brera (Italy)
Vincenzo Cotroneo, INAF, Osservatorio Astronomico di Brera (Italy)
Salvatore Varisco, INAF, Osservatorio Astronomico di Guiseppe S. Viana (Italy)
Maria Antonella Artale, INAF, Osservatorio Astronomico di Guiseppe S. Viana (Italy)
Kristin Kruse Madsen, Danish Space Research Institute (Denmark)
Alfonso Collura, INAF, Osservatorio Astronomico di Guiseppe S. Viana (Italy)


Published in SPIE Proceedings Vol. 5537:
X-Ray Sources and Optics
Carolyn A. MacDonald; Albert T. Macrander; Tetsuya Ishikawa; Christian Morawe; James L. Wood, Editor(s)

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