| 连续太赫兹波成像系统检测酚醛泡沫材料中的缺陷 |
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| 引用本文： | 王丽凤,李璟,洪治.连续太赫兹波成像系统检测酚醛泡沫材料中的缺陷[J].光学仪器,2010,32(1):13-15. |
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| 作者姓名： | 王丽凤 李璟 洪治 |
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| 作者单位： | 中国计量学院,太赫兹技术与应用研究所,浙江,杭州,310018 |
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| 基金项目： | 国家质检总局科技计划资助项目，浙江省教育厅资助项目 |
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| 摘 要： | 主要研究连续太赫兹成像系统检测不透明酚醛泡沫材料中的缺陷。在酚醛泡沫中插入不同直径的铁丝,然后利用透过泡沫的信号强度变化来检测泡沫内部的铁丝,实验结果能探到的最小铁丝直径为0.4mm。表明连续太赫兹波成像技术在探测不透明酚醛泡沫材料内部缺陷方面具有很大的应用前景。
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| 关 键 词： | 太赫兹波成像 酚醛泡沫 缺陷检测 |
Cw terahertz image system for detecting defects in phenolic foam |
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| WANG Lifeng,LI Jing,HONG Zhi.Cw terahertz image system for detecting defects in phenolic foam[J].Optical Instruments,2010,32(1):13-15. |
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| Authors: | WANG Lifeng LI Jing HONG Zhi |
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| Affiliation: | (Centre for THz Research, China Jiliang University, Hangzhou 310018, China) |
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| Abstract: | We present a cw terahertz image system for detecting defects in optically opaque phenolic foam （PF）. We used iron wires of different diameters, each wire was inserted into a phenolic foam （PF）. The variations of the terahertz radiation transmitted through the sample were detected, which was produced by the iron wires. The results show that detection was possible down to 0. 4mm. The cw terahertz image method has a good potential for detecting defects in optically PF. |
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| Keywords: | terahertz image phenolic foam defect detection |
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