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Large Signal Analysis of the Infrared Semiconductor Mercury-Cadmium-Telluride Detectors

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Abstract

A mathematical model for the relationship between the output voltage and incident radiation of the infrared semiconductor mercury-cadmium-telluride (MCT) detector is presented. The model, basically a sine-series function, can easily yield closed-form expressions for the harmonic and intermodulation performance of the MCT detector with large-amplitude multisinusoidal incident radiation. The special case of two-tone equal-amplitude incident radiation is considered in detail. The results show that the second-order harmonic and intermodulation products are always higher than the third-order components. Moreover, the results show that the second-order intermodulation is always dominant.

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Authors and Affiliations

  1. King Fahd University of Petroleum and Minerals, P.O. Box 203, Dhahran, 31261, Saudi Arabia

    Muhammad Taher Abuelma’atti

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  1. Muhammad Taher Abuelma’atti
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Correspondence to Muhammad Taher Abuelma’atti.

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Abuelma’atti, M.T. Large Signal Analysis of the Infrared Semiconductor Mercury-Cadmium-Telluride Detectors. Int J Infrared Milli Waves 28, 849–858 (2007). https://doi.org/10.1007/s10762-007-9267-z

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  • DOI: https://doi.org/10.1007/s10762-007-9267-z

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