Abstract

This paper corrects a definitional error in the previous paper on this topic and reports a considerably better dielectric material for this type of detector (i.e., dln∊/dT values as large as 30% K−1 in the range 0.3 to 10 K). Computed responsivity (times the square root of the detector area) based on this material varies from 6 × 106 to 2 × 104 V · W−1 · cm for reservoir temperatures between 0.3 and 10 K. The corresponding variation of the detectivity is from 2 × 1014 to 1 × 1011 cm · W−1 · Hz1/2.

© 1974 Optical Society of America

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