Scientific and Technical Literature

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Publications represent one of the most important forms of sharing knowledge generated within a company, in collaboration with other companies or with public research organizations.
This page presents Leonardo's technical-scientific production, relating to conference proceedings, book chapters, articles in specialized journals.
The list contains references to the work carried out since 2012 by Leonardo researchers, engineers and technicians, and authorized for publication.

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Version: 1.1 Approved

LDO-ID 2014-09-01-08

Title Thermal imager fixed pattern noise prediction using a characterization of the infrared detector

Abstract

Cooled infrared detectors are typically characterized by well-known electro-optical parameters: Responsivity, Noise Equivalent Temperature Difference, shot noise, 1/f noise, and so on. Particularly important for staring arrays is also the Residual Fixed Pattern Noise that can be obtained after the application of the Non Uniformity Correction algorithm. A direct measure of this parameter is usually hard to define because the Residual Fixed Pattern Noise strongly depends, other than from the detector, from the choice of the Non Uniformity Correction algorithm and from the operative scenario. In this paper, we introduce three measurable parameters, instability, non-linearity and a residual after a polynomial fitting of the detector response curve, and we demonstrate how they are related to the Residual Fixed Pattern Noise after the application of a Non Uniformity Correction (the relationship with three common correction algorithms is discussed). A comparison with experimental data is also presented and discussed.

Authors Mariani Paolo, Zatti Stefano, Giunti Claudio, Sozzi Barbara, Guadagnoli Emanuele, Porta Antonio

Type Paper for Specialistic Magazine

Media SPIE - Optical Engineering

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Anno 2014

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