Design and performance of a PtSi spectroscopic infrared array and detector head

Philip J. Cizdziel

doi:10.1117/12.45787

1 September 1991 Design and performance of a PtSi spectroscopic infrared array and detector head

Philip J. Cizdziel

Proceedings Volume 1488, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing II; (1991) https://doi.org/10.1117/12.45787
Event: Orlando '91, 1991, Orlando, FL, United States

Abstract

The design and performance of a new 1024-element PtSi IR linear array and detector head available from EG&G Reticon are described. The self-scanned Schottky barrier detector array provides a 1.1 to 5.0 micrometers spectral response, 60% fill factor, 25 micrometers pitch and 100:1 slit-like aspect ratio for efficient coupling to laboratory spectrometers. Pixel-to-pixel non- uniformities of 0.4% rms and saturation charge levels of 9 picocoulombs are achieved. The LN2-cooled detector head used to house the array features a fast focal ratio, short window-to-detector separation and quasi-standard mounting flange. Both analog video and temperature sensing outputs are provided. Timing may be internally or externally controlled. In the former mode, only +/- 15 VDC and +5 VDC power inputs are needed. In the latter mode, external clock and sync inputs as well as power are required. The sensor, dewar, and coldshielding is described; as well as the analog, digital and temperature sensing electronics. A discussion of system-wide performance data and technical specifications concludes the review.

Citation Download Citation

Philip J. Cizdziel "Design and performance of a PtSi spectroscopic infrared array and detector head", Proc. SPIE 1488, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing II, (1 September 1991); https://doi.org/10.1117/12.45787

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