Proceedings PaperImmersed photodiodes for IR range from 8 to 14 um
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The immersion lens (IL) influence on detecting ability D(lambda) * of CdxHg1-xTe photodiodes designed for the IR range from 8 to 14 micrometers is considered. Theoretical dependencies of D(lambda) * and the threshold temperature difference (Delta) Tt of the IR imaging system on the limit wavelength (lambda) co immersion photodiodes (IPh) are given. Affecting both a signal and noise of photodiodes the immersion increases their D(lambda) *. IR imaging systems with IPh become not so critical to the choice of (lambda) .