Thin-shell plastic lenses for space and laboratory applications

Herbert W. Schnopper; Russell Ingram; Eric Silver; Marco Barbera; Roberto Candia; Finn E. Christensen; Carsten P. Jensen; Suzanne E. Romaine; D. Vernani; Vincenzo Cotroneo; Salvatore Varisco; Maria Antonella Artale; Kristin Kruse Madsen; Alfonso Collura

doi:10.1117/12.559774

3 November 2004 Thin-shell plastic lenses for space and laboratory applications

Herbert W. Schnopper, Russell Ingram, Eric Silver, Marco Barbera, Roberto Candia, Finn E. Christensen, Carsten P. Jensen, Suzanne E. Romaine, D. Vernani, Vincenzo Cotroneo, Salvatore Varisco, Maria Antonella Artale, Kristin Kruse Madsen, Alfonso Collura

Author Affiliations +

Proceedings Volume 5537, X-Ray Sources and Optics; (2004) https://doi.org/10.1117/12.559774
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

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.

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Herbert W. Schnopper, Russell Ingram, Eric Silver, Marco Barbera, Roberto Candia, Finn E. Christensen, Carsten P. Jensen, Suzanne E. Romaine, D. Vernani, Vincenzo Cotroneo, Salvatore Varisco, Maria Antonella Artale, Kristin Kruse Madsen, and Alfonso Collura "Thin-shell plastic lenses for space and laboratory applications", Proc. SPIE 5537, X-Ray Sources and Optics, (3 November 2004); https://doi.org/10.1117/12.559774

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