Computer Science – Performance
Scientific paper
Oct 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987opten..26.1048l&link_type=abstract
Optical Engineering (ISSN 0091-3286), vol. 26, Oct. 1987, p. 1048-1054.
Computer Science
Performance
11
Astronomical Spectroscopy, Charge Coupled Devices, Laboratory Equipment, X Ray Spectroscopy, Cameras, Computer Techniques, Cooling Systems, Resolution, Software Tools
Scientific paper
This paper describes the design and performance of a laboratory instrument for imaging and nondispersive spectroscopy of soft X-rays (300 eV to 10 keV) utilizing a virtual-phase CCD. This instrument has achieved a spatial resolution of 22 microns (limited by pixel size) with an overall array area of 584 x 390 pixels. It has achieved an energy resolution of about 140 eV FWHM for single-pixel Fe-55 X-ray events (5.9 keV) with the CCD operated at -30 C. The CCD has been operated in photon-counting mode at room temperature, and X-ray spectra with an energy resolution of about 450 eV at 5.9 keV have been obtained. The low energy X-ray sensitivity of the CCD also has been demonstrated by detecting carbon K-alpha X-rays (277eV).
Ceglio Natale M.
Doty John P.
Luppino Gerard A.
Ricker George R.
Vallerga John V.
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