Dual-Comb Scanning Spectrometer for Remote Sensing of Traces of Explosives

被引：14
作者：
Macarthur, John [1 ]
Hayden, Jakob [2 ]
Warden, Matthew S. [1 ]
Carson, Christopher [1 ]
Stothard, David M. [1 ]
Savitski, Vasili G. [1 ]
机构：
[1] Fraunhofer UK Res Ltd, Fraunhofer Ctr Appl Photon, Glasgow G1 1RD, Lanark, Scotland
[2] IRsweep AG, CH-8712 Staefa, Switzerland
来源：
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2022年 / 71卷
关键词：
Dual-comb spectroscopy (DCS); explosives sensing; frequency combs; quantum cascade lasers (QCLs); remote detection; scanning; SPECTROSCOPY; CHALLENGES; SPECTRA; LIGHT;
D O I：
10.1109/TIM.2022.3147899
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：
Standoff scanning dual-comb spectroscopy of explosive materials is demonstrated with quantum cascade lasers at similar to 8 mu m. The proof-of-concept of the spectrometer, capable of the detection and identification of explosive materials at a distance of 3 m, has a detection limit of cyclotrimethylen-etrinitramine (RDX) and pentaerythritol tetranitrate (PETN) on various surfaces of 5-8 mu g/cm(2) in a scanning regime and 2-3 mu g/cm(2) with stationary beam in reflection-absorption and backscattering modes.
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页数：11
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