Multiplexed 256 Element Ingaas Detector Arrays For 0.8-1.7 um Room-Temperature Operation

G H Olsen; A M Joshi; V. S. Ban; K. M. Woodruff; G. A, Gasparian; M J. Lange; G. C. Erickson; E. Mykietyn; S. R. Forrest

doi:10.1117/12.948311

7 December 1988 Multiplexed 256 Element Ingaas Detector Arrays For 0.8-1.7 um Room-Temperature Operation

G H Olsen, A M Joshi, V. S. Ban, K. M. Woodruff, G. A, Gasparian, M J. Lange, G. C. Erickson, E. Mykietyn, S. R. Forrest

Author Affiliations +

Proceedings Volume 0972, Infrared Technology XIV; (1988) https://doi.org/10.1117/12.948311
Event: 32nd Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1988, San Diego, CA, United States

Abstract

Indium gallium arsenide (InGaAs) photodetectors have been configured into linear arrays of 30 x 30 micron photodetectors spaced 50 um apart. The devices have typical responsivities of 0.9 NW (86% QE) at 1.3 μm and exhibit room temperature dark currents below 100 pA. A 256 element array has been mounted in a Reticon multiplexer and configured into a PAR optical multichannel analyzer to extend spectral response out to 1.7 urn. Individual InGaAs detectors have been fabricated for response out to 2.2 urn with dark current below 1 uA (-1V) and 50% QE at room temperature.

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G H Olsen, A M Joshi, V. S. Ban, K. M. Woodruff, G. A, Gasparian, M J. Lange, G. C. Erickson, E. Mykietyn, and S. R. Forrest "Multiplexed 256 Element Ingaas Detector Arrays For 0.8-1.7 um Room-Temperature Operation", Proc. SPIE 0972, Infrared Technology XIV, (7 December 1988); https://doi.org/10.1117/12.948311

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