MTF measurements of a type-II superlattice infrared focal plane array sealed in a cryocooler

被引：0

作者：

Nghiem, Jean ^{[1
]}

Jaeck, Julien ^{[1
]}

Primot, Jerome ^{[1
]}

Coudrain, Christophe ^{[1
]}

Derelle, Sophie ^{[1
]}

Huard, Edouard ^{[1
]}

Caes, Marcel ^{[1
]}

Bernhardt, Sylvie ^{[1
]}

Haidar, Riad ^{[1
]}

Christol, Philippe ^{[2
]}

Ribet-Mohamed, Isabelle ^{[1
]}

机构：

[1] Off Natl Etud & Rech Aerosp, Chemin Huniere, F-91761 Palaiseau, France

[2] Univ Montpellier, CNRS, IES, F-34000 Montpellier, France

来源：

OPTICS EXPRESS | 2018年 / 26卷 / 08期

关键词：

MODULATION TRANSFER-FUNCTION; SELF-IMAGING GRATINGS; DETECTORS; INAS/GASB; GENERATION;

D O I：

10.1364/OE.26.011031

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In operational electro-optical systems, infrared focal plane arrays (IR FPA) are integrated in cryocoolers which induce vibrations that may strongly affect their modulation transfer function (MTF). In this paper, we present the MTF measurement of an IR FPA sealed in its cryocooler. The method we use to measure the MTF decorrelates operational constraints and the technological limitations of the IR FPA. The bench is based on the diffraction properties of a continuously self imaging grating (CSIG). The 26 mu m pixel size extracted from the MTF measurement is in good agreement with the expected value. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.

引用

页码：11034 / 11045

页数：12

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