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\bibitem{Zhou_etal2002} Zhou, Y. D., Becker, C. R., Ashokan, R., Selamet, Y., Chang, Y., Boreiko, R. T., et al. (2002). Progress in far-infrared detection technology. In \textit{Proc. SPIE} (Vol. 4795, pp. 121--128). Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series.

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