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| 二次曝光全息术对微波等离子体推进器羽流的诊断及计算机模拟 | |
| 引用本文： | 冯伟,李恩普,张琳,范琦,林榕.二次曝光全息术对微波等离子体推进器羽流的诊断及计算机模拟[J].光子学报,2005,34(8):1233-1236. |
| 作者姓名： | 冯伟 李恩普 张琳 范琦 林榕 |
| 作者单位： | 1. 西北工业大学理学院,西安,710072 2. 西北工业大学航天学院,西安,710072 |
| 摘 要： | 二次曝光全息术是诊断等离子体电子数密度的一个有效测量方法，具有非接触式测量及不受等离子体发光干扰等优点.根据阿贝尔变换公式，通过计算机应用matlab程序数值模拟了各种不同电子数密度状态下的等离子体干涉图.同时拍摄了航天器中微波等离子体推进器羽流的二次曝光全息图，再现了不同状态下的干涉图样.通过分析和对比两次干涉图，得出了羽流的电子数密度. |
| 关 键 词： | 二次曝光全息术 等离子体 羽流 阿贝尔变换 |
| 收稿时间： | 2004-06-23 |
| 修稿时间： | 2004年6月23日 |
Double-exposed Holographic Interferometry Diagnose in Microwave Plasma Thruster's Plume and Simulation by Computer |
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| Feng Wei,Li Enpu,Zhang Lin,FAN Qi,Lin Rong.Double-exposed Holographic Interferometry Diagnose in Microwave Plasma Thruster''''s Plume and Simulation by Computer[J].Acta Photonica Sinica,2005,34(8):1233-1236. | |
| Authors: | Feng Wei Li Enpu Zhang Lin FAN Qi Lin Rong |
| Institution: | (1 School of Science, Northwestern Polytechnical University,Xi′an 710072 ) (2 College of Astronautics, Northwestern Polytechnical University,Xi′an 710072) |
| Abstract: | Double-exposed holographic interferometry is an effective means in the plasma number density of electronic diagnosis, for it has such merits as non-contact measurement and non-disturbance by plasma luminescence. According to Abel transform, simulated interferograms of various plasma′s electron densities are obtained;by double-exposed holographic interferometry, interferograms of various spacecraft microwave plasma thruster′s plumes are gotten.The electron density of plume is gained by analyzing and contrasting the measured interferograms and simulated ones. |
| Keywords: | Double-exposed holographic interferometry Plasma Plume Abel transform |
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