The 80021 InSb Detector is a photovoltaic detector which approaches the maximum theoretical limit of sensitivity for background limited applications. Choose this detector for background sensitive radiometry applications. It requires liquid nitrogen cooling. Holding time for LN2exceeds four hours.

ftir-pg7dFig. 1 Spectrum of 1273 K blackbody captured with80021 InSb Detector, KBr beam splitter and the MIR 8035™ Scanner