Thin-shell plastic lenses for space and laboratory applications

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

Risultato della ricerca: Otherpeer review

7 Citazioni (Scopus)

Abstract

We have identified an inexpensive, readily available, mechanically stable, extremely smooth, elastic, and mechanicallyuniform plastic suitable for thin film X-ray optics. Polyethylene terephthalate (PET) is easily deformed without losing itselastic properties or surface smoothness. Most important, PET can be coated with mono- or multilayers that reflect X-raysat grazing incidence. We have used these properties to produce X-ray optics made either as a concentric nest of cylindersor as a spiral. We have produced accurately formed shells in precisely machined vacuum mandrels or used a pin and wheelstructure to form a continuously wound spiral. The wide range of medical, industrial and scientific applications for ourtechnology includes: a monochromatic X-ray collimator for medical diagnostics, a relay optic to transport an X-ray beamfrom the target in a scanning electron microscope to a lithium-drifted silicon and microcalorimeter detectors and a satellitemounted telescope to collect celestial X-rays. A wide variety ofmono- and multilayer coatings allow X-rays up to 100 keVto be reflected. Our paper presents data from a variety of diagnostic measurements on the properties of the PET foil andimaging results form single- and multi-shell lenses.
Lingua originaleEnglish
Pagine82-93
Numero di pagine12
Stato di pubblicazionePublished - 2004

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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