Construction of the large-format far-infrared array for SIRTF

Erick T. Young; Michael J. Scutero; George H. Rieke; James T. Davis

doi:10.1117/12.211282

6 June 1995 Construction of the large-format far-infrared array for SIRTF

Erick T. Young, Michael J. Scutero, George H. Rieke, James T. Davis

Proceedings Volume 2475, Infrared Detectors and Instrumentation for Astronomy; (1995) https://doi.org/10.1117/12.211282
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States

Abstract

We report on the design, modeling, and construction of far-infrared focal plane array modules for the Space Infrared Telescope Facility (SIRTF). The modules consist of 4 X 32 detector elements, readout electronics, and interconnections. The modules, which are of Z- plane architecture, may be stacked to produce imaging arrays of at least 32 X 32 format. These arrays are the largest available operating in the wavelength range 50 - 120 micrometers . The design takes advantage of the Hughes CRC-696 readout which was specifically developed for use with far-infrared photoconductive detectors. Since the readouts have excellent performance at temperatures below 2 K, a simplified construction concept using the proven interconnection methods of wire boding and multilayer ceramic boards are used. We report on additional design considerations such as minimization of parasitic capacitance at the input node and accommodation of thermal annealing of the detectors.

Citation Download Citation

Erick T. Young, Michael J. Scutero, George H. Rieke, and James T. Davis "Construction of the large-format far-infrared array for SIRTF", Proc. SPIE 2475, Infrared Detectors and Instrumentation for Astronomy, (6 June 1995); https://doi.org/10.1117/12.211282

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