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首页> 外文期刊>Review of Scientific Instruments >A typical noiseless Pockels E field sensor
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A typical noiseless Pockels E field sensor

机译：典型的无噪声Pockels E场传感器

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摘要

A new practical Pockels E field sensor has been demonstrated. By combining a ferroelectric liquid crystal and a polarization-maintaining optical fiber with the sensor, it is theoretically found that almost all of the optical and electronic noise produced in the system can be completely eliminated. This fact has been experimentally proven not only under the conditions of a uniform electric field but also those of a nonuniform electric field and with ac voltages applied to a stabilized corona discharge. It is shown that if with the new Pockels E field sensor, the smallest detectable phase change was set to be 10−5 rad, the minimum measurable E field in the electrical discharge could be reduced from 102 to 10−1 kV/m. This technique should be useful not only for the field of electrical discharge studies but also for other optical measurement applications such as length, temperature, and pressure using appropriately configured transducers. © 2010 American Institute of Physics Article Outline INTRODUCTION EXPERIMENTAL APPARATUS AND PROCEDURE ELECTRIC FIELD AND ITS ALGORITHM EXPERIMENTAL RESULTS AND DISCUSSION Under the uniform E field without the electrical discharge Under the nonuniform E field with the electrical discharge
机译：一种新型实用的Pockels E场传感器已得到证明。通过将铁电液晶和保持偏振的光纤与传感器结合在一起，从理论上发现，几乎可以消除系统中产生的几乎所有光学和电子噪声。不仅在均匀电场的条件下，而且在非均匀电场的条件下，并且将交流电压施加到稳定的电晕放电条件下，都已经通过实验证明了这一事实。结果表明，如果使用新的Pockels E场传感器，将可检测到的最小相变设置为10−5 rad，则放电中的最小可测量E场可以从102 减小到10−1 kV / m。此技术不仅对放电研究领域有用，而且对使用适当配置的换能器的其他光学测量应用（例如长度，温度和压力）也应是有用的。 ©2010美国物理研究所文章大纲引言实验仪器和过程电场及其算法实验结果与讨论在均匀电场下不带放电下均匀电场下不带放电

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