Thin-gate front side-illuminated versus back side-illuminated charge-coupled devices for x-ray astronomy

R. P. Kraft, D. N. Burrows, G. P. Garmire, J. A. Nousek

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We present a comparison of the spectroscopic capabilities of a front side-illuminated thin-gate CCD and the AXAF CCD Imaging Spectrometer back side-illuminated CCD for two simulated astrophysical observations below 1 keV. The thin-gate CCD has superior energy resolution but inferior (although nonnegligible) quantum efficiency over this bandpass. We show that the low-noise, thin-gate CCD design provides superior determination of confidence intervals for spectroscopy below 1 keV.

Original languageEnglish (US)
Pages (from-to)L51-L54
JournalAstrophysical Journal
Volume466
Issue number1 PART II
StatePublished - Jan 1 1996

Fingerprint

x ray astronomy
astronomy
confidence interval
charge coupled devices
spectrometer
spectroscopy
energy
X Ray Astrophysics Facility
imaging spectrometers
low noise
quantum efficiency
confidence
astrophysics
comparison
intervals

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

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Thin-gate front side-illuminated versus back side-illuminated charge-coupled devices for x-ray astronomy. / Kraft, R. P.; Burrows, D. N.; Garmire, G. P.; Nousek, J. A.

In: Astrophysical Journal, Vol. 466, No. 1 PART II, 01.01.1996, p. L51-L54.

Research output: Contribution to journalArticle

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T1 - Thin-gate front side-illuminated versus back side-illuminated charge-coupled devices for x-ray astronomy

AU - Kraft, R. P.

AU - Burrows, D. N.

AU - Garmire, G. P.

AU - Nousek, J. A.

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N2 - We present a comparison of the spectroscopic capabilities of a front side-illuminated thin-gate CCD and the AXAF CCD Imaging Spectrometer back side-illuminated CCD for two simulated astrophysical observations below 1 keV. The thin-gate CCD has superior energy resolution but inferior (although nonnegligible) quantum efficiency over this bandpass. We show that the low-noise, thin-gate CCD design provides superior determination of confidence intervals for spectroscopy below 1 keV.

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