Advancement of an Interferometric Flow Velocity Measurement Technique by Adaptive Optics
Advancement of an Interferometric Flow Velocity Measurement Technique by Adaptive Optics
复制标题
自适应光学干涉式流速测量技术的进展
DOI:
10.1080/15599612.2014.890685
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发表时间:
2014
影响因子:
5.5
通讯作者:
J. Czarske
中科院分区:
文献类型:
--
作者:
L. Büttner;C. Leithold;J. Czarske
Flow measurements often take place under difficult conditions. Optical flow measurement techniques are affected by variations of the refractive index, caused e.g., by temperature, concentration, or pressure gradients. This will give rise to an increased measurement uncertainty or cause the measurement to fail. To overcome these limitations, we propose the employment of adaptive optics. In this contribution we present interferometric flow velocity measurements through a fluctuating air-water interface by the use of adaptive optics. Using the adaptive optics, the rate of valid measurement signals can be improved from 28% to 83%. The results are promising to enable measurements in difficult environments affected by refractive index variations which were not accessible so far.
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DOI:
--
发表时间:
2000
期刊:
影响因子:
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DOI:
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发表时间:
2006
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DOI:
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发表时间:
1992
期刊:
影响因子:
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