The design and implementation of photoacoustic based laser warning receiver for harsh environments

被引：10
|
作者：
El-Sherif, Ashraf F. [1 ]
Ayoub, H. S. [2 ]
El-Sharkawy, Yasser H. [3 ]
Gomaa, Walid [1 ]
Hassan, H. H. [2 ]
机构：
[1] Mil Tech Coll, Dept Engn Phys, Laser Photon Res Ctr, Cairo, Egypt
[2] Cairo Univ, Fac Sci, Dept Phys, Giza, Egypt
[3] Mil Tech Coll, Dept Biomed Engn, Cairo, Egypt
来源：
OPTICS AND LASER TECHNOLOGY | 2018年 / 98卷
关键词：
Photoacoustic; Laser warning receiver (LWR); Polymeric material; High power infrared laser; Target designators; Harsh environment; Thermography Photoacoustic detector array; False alarm rate (FAR); SPECTROSCOPY;
D O I：
10.1016/j.optlastec.2017.06.030
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper discusses the implementation of new type of laser warning receiver (LWR) system, based on the detection of photoacoustic signals, induced by high power infrared laser designators pulses on target's surfaces. This system appends conventional optoelectronic based LWR to decrease the false alarm rate (FAR) in harsh environments, where ambient conditions are expected to obstruct optical LWR. To improve the sensitivity of the photoacoustic based LWR system, some metallic and polymeric target shielding materials were studied, in order to cover a friendly civil structure, vehicle or a maritime entity with a low cost large area acoustic detector array shield. A thermographic investigation of target surface material- laser reaction, signal processing and system configuration and functional analysis are also presented. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：385 / 396
页数：12
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