Revolutionizing Electric Field Measuring Techniques

Nowadays, electrical fields are being used not only in electrical engineering, but also for industrial, weather forecasting, safety, and medical applications. As a result, the need for a precise electric field strength measurement device has become increasingly high, and many investigations have devoted their resources to creating such device. TU Wien has developed a small electric field sensor that is much simpler, and most importantly, it is less prone to distortion.

Revolutionizing Electric Field Measuring Techniques

There are a lot of measurement systems in the market. However, most of them are big, depend on complex surrounding calibration procedures, or the device is grounded to provide a reference measurement. All these factors cause distortion that affects the measurement. Additionally, dielectric devices develop surfaces charges that also lead to distortion, and conductive metallic components can have the same effect.

The sensor made by TU Wien is made from silicon forming a small, grid shaped structure fixed onto a small spring, so that when the silicon is exposed to an electrical field a force is exerted on the silicon crystals causing the spring to compress or extend. Another grid was added to make these slight changes visible. The silicon grid is lined up, so when movement occurs, light can pass through which is then measured and used to calculate the electrical field. It can only measure strength not direction, and it can be used for fields of up to 1 k Hz.  The silicon structures are just a few micrometers in diameter making it much smaller than conventional sensors.

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About The Author

Ibrar Ayyub

I am an experienced technical writer with a Master's degree in computer science from BZU Multan University. I have written for various industries, mainly home automation and engineering. My writing style is clear and simple, and I am skilled in using infographics and diagrams. I am a great researcher and am able to present information in a well-organized and logical manner.

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