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Infrared Cloaking, Stealth, And The Second Law Of Thermodynamics, D. P. Sheehan
Infrared Cloaking, Stealth, And The Second Law Of Thermodynamics, D. P. Sheehan
Physics and Biophysics: Faculty Scholarship
Infrared signature management (IRSM) has been a primary aeronautical concern for over 50 years. Most strategies and technologies are limited by the second law of thermodynamics. In this article, IRSM is considered in light of theoretical developments over the last 15 years that have put the absolute status of the second law into doubt and that might open the door to a new class of broadband IR stealth and cloaking techniques. Following a brief overview of IRSM and its current thermodynamic limitations, theoretical and experimental challenges to the second law are reviewed. One proposal is treated in detail: a high …