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《Optical Technique》 2008-S1
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Simulated calculation on the measurent of the distribution of the refractive index of the flow field using interferometry

ZHOU Zhan-rong,ZHAO Wei,ZHAO Yun-fang,SHEN Xiao-fang (Department of Physics,Second Artillery Engineering College,Xi'an 710025,China)  
A new method of obtaining the distribution of refractive index from interference fringes is proposed.This method uses a series of different space concentric circles to zone the axis symmetry flow field,so the many data points are obtained in the great change distribution of the refractive index.The space distribution of refraction index is calculated by utilizing Abel conversion. By the computer simulation of the real-time holographic interference fringes around the axis symmetry flow field,the results show that it is not only simple,but is also high accurate in obtaining the distribution of refractive index from interference fringes.
【CateGory Index】: O436.1
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