Noise sources in imaging static Fourier transform spectrometers

被引：10

作者：

Ferrec, Yann ^{[1
]}

Ayari-Matallah, Noura ^{[2
,3
]}

Chavel, Pierre ^{[2
]}

Goudail, Francois ^{[2
]}

Sauer, Herve ^{[2
]}

Taboury, Jean ^{[2
]}

Fontanella, Jean-Claude ^{[3
]}

Coudrain, Christophe ^{[1
]}

Primot, Jerome ^{[1
]}

机构：

[1] Off Natl Etud & Rech Aerosp, F-91123 Palaiseau, France

[2] Univ Paris 11, CNRS, Inst Opt, Lab Charles Fabry, F-91127 Palaiseau, France

[3] Thales Optron SA, F-78990 Elancourt, France

来源：

OPTICAL ENGINEERING | 2012年 / 51卷 / 11期

关键词：

hyperspectral imaging; Fourier spectroscopy; noise; imaging systems; INTERFEROMETER; PERFORMANCE;

D O I：

10.1117/1.OE.51.11.111716

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Imaging static Fourier transform spectrometers are well-adapted instruments for remote sensing. However, the path from the raw images to the spectral images is quite long, thus multiplying the potential noise sources. In this article, we propose to review these perturbation sources. We first recall how detector or photon noise on the interferogram affects the estimated spectrum. Then, we focus on inhomogeneities of the focal plane array. Although these inhomogeneities are deterministic, they generate noise when they are ill-corrected. Finally, we describe defects due to errors that may occur during the image processing step. We also give some avenues to limit the impact of these noises. (C) 2012 Society of Photo-Optical Instrumentation Engineers (SPIE). [DOI: 10.1117/1.OE.51.11.111716]

引用

页数：10

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