Spatial distributions of hole traps and image latency in InSb focal plane arrays

Robert G. Benson; William J. Forrest; Judith L. Pipher; William J. Glaccum; Steven Lawrence Solomon

doi:10.1117/12.406541

16 November 2000 Spatial distributions of hole traps and image latency in InSb focal plane arrays

Robert G. Benson, William J. Forrest, Judith L. Pipher, William J. Glaccum, Steven Lawrence Solomon

Proceedings Volume 4131, Infrared Spaceborne Remote Sensing VIII; (2000) https://doi.org/10.1117/12.406541
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

Spatial distributions of hole trap sites on a quasipixel level in InSb arrays for SIRTF are examined. The dependence of flux, fluence, and applied bias on image latency is investigated, and experimental results are presented and discussed. Models of linearity and capacitance are compared with experimental results. We find increasing the depletion width in a light exposed pixel by larger reverse biasing decreases the trapped charge (or latency) in that pixel by factors of approximately 3. Assumed pixel geometries lead to an apparent spatial density of active trap sites that falls quickly with distance from the implants.

Citation Download Citation

Robert G. Benson, William J. Forrest, Judith L. Pipher, William J. Glaccum, and Steven Lawrence Solomon "Spatial distributions of hole traps and image latency in InSb focal plane arrays", Proc. SPIE 4131, Infrared Spaceborne Remote Sensing VIII, (16 November 2000); https://doi.org/10.1117/12.406541

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