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首页> 外文会议>Annual conference for chemical, biological, radiological, nuclear, and explosives (CBRNE) sensing;SPIE defense, security and sensing (DSS) symposium;Conference for chemical, biological, radiological, nuclear, and explosives (CBRNE) sensing; 20090414-16;2 >Optimal Dynamic Detection of Explosives
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Optimal Dynamic Detection of Explosives

机译：炸药的最佳动态检测

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摘要

The detection of explosives is a notoriously difficult problem, especially at stand-off distances, due to their (generally) low vapor pressure, environmental and matrix interferences, and packaging. We are exploring optimal dynamic detection to exploit the best capabilities of recent advances in laser technology and recent discoveries in optimal shaping of laser pulses for control of molecular processes to significantly enhance the standoff detection of explosives. The core of the ODD-Ex technique is the introduction of optimally shaped laser pulses to simultaneously enhance sensitivity of explosives signatures while reducing the influence of noise and the signals from background interferents in the field (increase selectivity). These goals are being addressed by operating in an optimal nonlinear fashion, typically with a single shaped laser pulse inherently containing within it coherently locked control and probe sub-pulses. With sufficient bandwidth, the technique is capable of intrinsically providing orthogonal broad spectral information for data fusion, all from a single optimal pulse.
机译：爆炸物的检测是一个众所周知的难题，尤其是在距离较远的地方，这是因为爆炸物（通常）具有较低的蒸气压，环境和基质干扰以及包装。我们正在探索最佳动态检测，以利用激光技术最新进展的最佳功能，以及用于控制分子过程的激光脉冲最佳成形的最新发现，以显着增强爆炸物的对峙检测。 ODD-Ex技术的核心是引入最佳形状的激光脉冲，以同时增强炸药特征的灵敏度，同时减少噪声和来自现场背景干扰物的信号的影响（提高选择性）。通过以最佳的非线性方式工作来解决这些目标，通常使用固有地包含在其内的相干锁定的控制和探测子脉冲的单个成形激光脉冲。有了足够的带宽，该技术就能够从单个最佳脉冲内在地为数据融合提供正交的广谱信息。

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