Abstract

A method is presented for measuring the modulation transfer function of signal processing in the element (SPRITE) detectors with a HgCdTe composition optimized for the 3–5-μm band. This method incorporates a 3.39-μm He–Ne laser to generate Young’s fringes of varying spatial frequency, which are scanned across the detector elements. The results are consistent with theoretical models for these devices and indicate a limited resolution capability for SPRITE detectors used for the 3–5-μm band.

© 1992 Optical Society of America

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