Mercury cadmium telluride/cadmium telluride distributed Bragg reflectors for use with resonant cavity-enhanced detectors

A HgCdTe/CdTe system is investigated for use in distributed Bragg reflectors. The modeled performance is described and compared to an as-grown structure. As-grown 15-layer structures with arithmetically varying layer thickness are also annealed at 250°C and performance re-evaluated at 2 h, 7 h, and...

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Bibliographic Details
Published in:Journal of electronic materials 2005-06, Vol.34 (6), p.710-715
Main Authors: WEHNER, J. G. A, SEWELL, R. H, ANTOSZEWSEI, J, MUSCA, C. A, DELL, J. M, FARAONE, L
Format: Article
Language:English
Subjects:
Applied sciences
Electronics
Exact sciences and technology
Infrared radiation
Materials
Mercury cadmium telluride
Mirrors
Radiation detectors
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Summary:A HgCdTe/CdTe system is investigated for use in distributed Bragg reflectors. The modeled performance is described and compared to an as-grown structure. As-grown 15-layer structures with arithmetically varying layer thickness are also annealed at 250°C and performance re-evaluated at 2 h, 7 h, and 24 h annealing times. There is some shifting of the absorption edge and some degradation in reflectivity, but the mirror is still functional. [PUBLICATION ABSTRACT]
ISSN:0361-5235
1543-186X
DOI:10.1007/s11664-005-0008-6