Detection of aging in the common explosive RDX using terahertz time-domain spectroscopy

被引：15
|
作者：
Yan, Zhijin [1 ]
Shi, Wei [1 ]
机构：
[1] Xian Univ Technol, Dept Appl Phys, Key Lab Ultrafast Photoelect Technol & Terahertz, 5 South Jinhua Rd, Xian 710048, Peoples R China
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2022年 / 39卷 / 03期
基金：
中国国家自然科学基金;
关键词：
ENERGETIC MATERIALS; THZ EXPOSURE; DECOMPOSITION;
D O I：
10.1364/JOSAB.446048
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A method to detect the aging in cyclotrimethylene-trinitramine (RDX), using terahertz (THz) waves, is reported in this paper. The absorption spectra of RDX are analyzed, and any changes of the characteristic absorption peaks (before and after aged treatment of RDX in laboratory) are compared. When RDX samples undergo aging, the characteristic absorption peaks (at 1.02 THz, 1.36 THz, 1.58 THz, and 2.37 THz) disappear, which corresponds to the fracture of N-NO2 bonds in RDX molecules. These results show that THz time-domain spectroscopy technology may be used not only for analysis but also for detection of aging in RDX and similar materials. (C) 2021 Optica Publishing Group
引用
收藏
页码：A9 / A12
页数：4
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