Search results for: LeGrand Shumway
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Journal of Lightwave Technology > 2017 > 35 > 4 > 669 - 676
Fiber optic electric field sensors are ideal for characterizing the electric field in many different systems. Unfortunately, many of these systems produce one or more noise types, like vibrational noise which contribute to a harsh sensing environment on the fiber optic sensor. When fiber optic sensors are placed in a harsh vibration environment, multiple noise types can overwhelm the measurements...
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This paper shows a method allowing electric field sensing in high vibration environments. The vibration sensitivity is reduced using a push-pull configuration and external phase modulation. This paper provides both theoretical description and experimental verification.
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Electric arcs are a form of electric discharge through a non-conductive media caused by a high electric potential between two points. The timing of this discharge serves as an important parameter in high pulse power applications and a short discharge time is often desirable. We put together a circuit which operates on the principle of inducing a high voltage pulse on an ignition coil controlled by...
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One of the most common methods used to measure high voltage is using a voltage divider. While this method is fairly reliable for most low frequency high voltage measurements, the voltage divider encounters difficulty when measuring higher frequency voltage signals. In these instances, the signal measured by the voltage divider becomes susceptible to distortion and inaccuracy. One solution to measuring...
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The push-pull slab-coupled optical sensor measures a localized single electric field component with the advantage of reducing adverse strain effects for sensing in harsh vibrating environments. Its miniature size makes it ideal for compact environments.
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Journal of The American Society for Mass Spectrometry > 2014 > 25 > 9 > 1622-1627
This paper presents a method for characterizing electric field profiles of radio frequency (rf) quadrupole ion trap structures using sensors based on slab coupled optical-fiber sensor (SCOS) technology. The all-dielectric and virtually optical fiber-sized SCOS fits within the compact environment required for ion traps and is able to distinguish electric field orientation and amplitude with minimal...
