An optical computerized tomography (OCT) technique is applied to research the radiation of an electrical element. An algebra iterative method is used to reconstruct the complicated temperature field of the radiator model including an opaque object. The result is consistent with the measurement of the thermocouple. # 1998 Society of Photo-Optical Instrumentation Engineers. S0091-3286(98)02508-2 Subject terms: computerized tomography; holographic interferometry; multidirection interferometer. Paper 12107 received Oct. 14, 1997; revised manuscript received Mar. 14, 1998; accepted for publication Mar. 14, 1998.
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