Millimeter Wave Measurements of Explosives and Simulants

被引：12

作者：

Barber, Jeffrey ^{[1
]}

Weatherall, James C. ^{[3
]}

Smith, Barry T. ^{[2
]}

Duffy, Steve ^{[4
]}

Goettler, Stephen J. ^{[4
]}

Krauss, Ronald A. ^{[2
]}

机构：

[1] Battelle Mem Inst, 2900 Fire Rd,Suite 201, Egg Harbor Township, NJ 08234 USA

[2] US Dept Homeland Secur, Sci & Technol Directorate, Transportat Secur Lab, Atlantic City, NJ 08405 USA

[3] SRA Int Inc, Egg Harbor Township, NJ 08234 USA

[4] Global Syst Technol Inc, Egg Harbor Township, NJ 08234 USA

来源：

PASSIVE MILLIMETER-WAVE IMAGING TECHNOLOGY XIII | 2010年 / 7670卷

关键词：

explosives; simulants; terahertz; dielectric constant; permittivity; millimeter wave; PERMITTIVITY;

D O I：

10.1117/12.848794

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Devices using electromagnetic (EM) waves in the GHz range are evolving rapidly. The advancement of this technology for security applications, such as explosives detection and personnel screening, requires an understanding of the optical properties of various materials. Using terahertz time-domain spectroscopy and free space millimeter-wave measurements, the dielectric constant of explosives have been measured. Methods used to standardize the experimental measurement and characterize the EM/material interaction are described. These results have enabled the development of mixtures of benign substances as simulants for testing. A comparison of the anticipated signal returns are presented for the range 100 - 500 GHz for a limited set of explosives and simulants.

引用

页数：7

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