| 1.54 THz激光成像实验与物质穿透特性 |
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| 引用本文： | 高翔,刘海庆,徐强,揭银先,高宇,史楠,杨曜,王二辉,程永飞.1.54 THz激光成像实验与物质穿透特性[J].强激光与粒子束,2008,20(11). |
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| 作者姓名： | 高翔 刘海庆 徐强 揭银先 高宇 史楠 杨曜 王二辉 程永飞 |
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| 作者单位： | 1. 中国科学院 等离子体物理研究所， 合肥 230031； 2. 合肥工业大学， 合肥 230009 |
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| 基金项目： | 国家自然科学基金
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| 摘 要： | 用1.54 THz的波导型辉光放电激励的大功率连续波氰化氘（DCN）激光系统，进行了1.54THz激光成像实验研究和多种物质的穿透特性研究。利用简单的被测物体的2维扫描光学系统进行了连续波1.54 THz激光物体穿透成像，通过测量穿透光的不同强度清楚地识别了放入信封的塑料胸卡和金属硬币的位置和形状。实验中对不同物质进行了1.54 THz激光穿透特性测量，得到了多种不同物质的吸收系数。
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| 关 键 词： | THz激光 2维成像 穿透特性 氰化氘激光器 |
| 收稿时间： | 1900-01-01; |
1.54 THz laser imaging and transmission property |
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| GAO Xiang,LIU Hai-qing,XU Qiang,JIE Yin-xian,GAO Yu,SHI Nan,YANG Yao,WANG Er-hui,CHENG Yong-fei.1.54 THz laser imaging and transmission property[J].High Power Laser and Particle Beams,2008,20(11). |
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| Authors: | GAO Xiang LIU Hai-qing XU Qiang JIE Yin-xian GAO Yu SHI Nan YANG Yao WANG Er-hui CHENG Yong-fei |
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| Institution: | 1. Institute of Plasma Physics, Chinese Academy of Sciences, P. O. Box 1126, Hefei 230031, China； 2. Hefei University of Technology, Hefei 230009, China |
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| Abstract: | Experimental study of 1.54 THz laser imaging and transmission property were studied by using a CW THz waveguide discharge-pumped high-power DCN laser system operating on 1.54 THz. A real-time, continuous-wave terahertz imaging is demonstrated with the 1.54 THz laser and a simple two-dimension scanning system. The position and shape of a plastic sign card and a metal coin hidden in an envelop are easily identified through just measuring the transmission intensity of the THz laser. Absorption coefficients of a few samples were also measured with the 1.54 THz laser system. The 1.54 THz laser transmission property of these samples was reported in detail. |
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| Keywords: | two dimensions imaging transmission property NCN laser |
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