Characterization of the Si:As Blocked Impurity Band (BIB) Detector in Keck's Long Wavelength Spectrometer (LWS)

Details Characterization of the Si:As Blocked Impurity Band (BIB) Detector in Keck's Long Wavelength Spectrometer (LWS) Characterization of the Si:As Blocked Impurity Band (BIB) Detector in Keck's Long Wavelength Spectrometer (LWS)

Aug 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002exa....14...57c&link_type=abstract

Experimental Astronomy, v. 14, Issue 1, p. 57-60 (2002).

Astronomy and Astrophysics

Astronomy

1

Long Wavelength Spectrometer (Lws), Blocked Impurity Band (Bib) Detectors, Quantum Yield, Gain Dispersion, Detective Quantum Efficiency

Scientific paper

Keck’s Long Wavelength Spectrometer (LWS), is the facilityinstrument used for imaging and spectroscopy in the wavelengthrange of 3 28 μm at the Keck Observatory. LWS uses an 128 × 128 Si:As blocked impurity band (BIB) array manufactured by the Boeing Corporation. This paper discusses the method used for optimizing the detector’s operating parameters at a temperature of 8.5 K and bias voltage of 1.2 V. A process for characterizing detective quantum efficiency of BIB detectors is also presented.

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