Monolithic integration of uncooled PbSe bicolor detectors

被引：6
|
作者：
Torquemada, M. C. [1 ]
Villamayor, V. [1 ]
Gomez, L. J. [1 ]
Vergara, G. [1 ]
Rodrigo, M. T. [1 ]
Perez, G. [1 ]
Genova, I. [1 ]
Catalan, I. [1 ]
Fernandez, D. [1 ]
Almazan, R. M. [1 ]
Alvarez, M. [1 ]
Sierra, C. [1 ]
Gutierrez, C. M. [1 ]
Magaz, M. T. [1 ]
Plaza, J. [1 ]
机构：
[1] Inst Tecnol Maranosa, Area Optron & Acust, Unidad Foton, Madrid 28033, Spain
来源：
SENSORS AND ACTUATORS A-PHYSICAL | 2013年 / 199卷
关键词：
Uncooled IR detector; PbSe; Spectral discrimination; Gas detection; Interference filter; Monolithic integration; LEAD SELENIDE; PHOTODETECTOR; ARRAYS;
D O I：
10.1016/j.sna.2013.06.015
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report on the manufacture of a dual band uncooled infrared detector of lead selenide for smart detection of IR emitters. The first advanced bicolor PbSe sensor with its spectral response modified by design for our purpose has been developed by means of the monolithical integration of two high-pass interference filters and polycrystalline PbSe sensors. Wavelength cut-on of the filters was 3.7 and 4.3 mu m. Room temperature detectivities of unfiltered lead selenide yield values of D*pk (3.6 mu m, 330 Hz, 1 Hz) similar to 10(9) cm Hz(1/2)/W. Considering the excellent properties of this MWIR sensor, the possibility of enhancing it with a selected spectral response opens its use to a wide range of applications. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：297 / 303
页数：7
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