Characterization Of Direct Readout Si:Sb And Si:Ga Infrared Detector Arrays For Space-Based Astronomy

Mark E. McKelvey; Craig R. McCreight; John H. Goebel; Nicolas N. Moss; Maureen L. Savage

doi:10.1117/12.943602

13 April 1988 Characterization Of Direct Readout Si:Sb And Si:Ga Infrared Detector Arrays For Space-Based Astronomy

Mark E. McKelvey, Craig R. McCreight, John H. Goebel, Nicolas N. Moss, Maureen L. Savage

Proceedings Volume 0868, Optoelectronic Technologies for Remote Sensing from Space; (1988) https://doi.org/10.1117/12.943602
Event: 1987 Symposium on the Technologies for Optoelectronics, 1987, Cannes, France

Abstract

Preliminary test results from the evaluation of Si:Sb and Si:Ga 58 x 62 element infrared detector arrays are presented. These devices are being characterized under background conditions and readout rates representative of operation in orbiting cryogenically-cooled infrared observatories. The arrays are hybridized to silicon direct readout multiplexers which allow random-access and non-destructive readout. Array performance optimization is being conducted with a flexible microcomputer-based drive and readout electronics system. Preliminary Si:Sb measurements indicate a sense node capacitance of 0.06 pF, peak (28 μm) responsivity >3 A/W at 2V bias, read noise of 130 rms e-, dark current ~10 e-/s, and a well capacity >105e-. The limited test data available on the performance of the Si:Ga array are also discussed.

Citation Download Citation

Mark E. McKelvey, Craig R. McCreight, John H. Goebel, Nicolas N. Moss, and Maureen L. Savage "Characterization Of Direct Readout Si:Sb And Si:Ga Infrared Detector Arrays For Space-Based Astronomy", Proc. SPIE 0868, Optoelectronic Technologies for Remote Sensing from Space, (13 April 1988); https://doi.org/10.1117/12.943602

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