基于扭秤的激光干涉差动测量微小冲量方法

叶继飞; 洪延姬

基于扭秤的激光干涉差动测量微小冲量方法

叶继飞^,,
洪延姬

1.
装备学院激光推进及其应用国家重点实验室,北京怀柔 101416

详细信息

通讯作者:
叶继飞（1981-），男，吉林辽源人，博士，主要从事先进推进技术研究工作。 Email: yjf1981@163.com

中图分类号: TN24
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出版历程
- 刊出日期: 2013-11-15

Laser interference differential measurement of micro impulse based on torsion balance

YE Ji-fei^,,
HONG Yan-ji

1.
State Key Laboratory of Laser Propulsion &Application,Academy of Equipment,Beijing 101416,China

摘要

摘要: 基于扭秤测量冲量原理，结合激光干涉法差动测量角度的方法，提出一种基于扭秤的激光干涉差动测量微小冲量的方法。介绍系统的基本组成和测量过程，给出扭秤结构设计参数，并对系统参数进行了标定，结合设计参数与标定结果，对系统的分辨率、量程和精度进行了校核，在典型的测量环境下，对激光烧蚀靶材所形成的Ns量级微小冲量进行了测量，给出了典型的测量结果并进行分析。结果表明：所提出的基于扭秤的激光干涉差动测量微小冲量方法，系统分辨率可达10-7Ns量级，测量范围跨5个数量级，最大可以测量10-2Ns量级冲量，测量精度优于95%。
- 微冲量测量 /
- 扭摆 /
- 激光干涉 /
- 激光微烧蚀
Abstract: Based on the impulse measuring principle of torsion balance, a kind of laser interference differential method of micro impulse was advanced. The system setting and measurement procedure were introduced. The torsion balance structure design parameters were given. The calibration and verification were put forward. The system resolution, measurement range and precision were calculated. In the typical measurement condition, the micro impulse generated by the laser ablation was measured with the method, the typical result was given and analyzed. The results show that the system resolution of the method is competent for the 10-7 Ns magnitude, the measurement range covers five magnitudes, the maximum magnitude is 10-2 Ns with precision better than 95%.
- micro impulse measurement /
- torsion /
- laser interference /
- laser micro ablation

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参考文献(1)

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