Voltage sensor with tunable sensitivity and measurement range based on optical tweezers trapping magnetic microparticles

Key Points

• The voltage sensor demonstrates adjustable sensitivity levels, improving the accuracy of voltage measurements.
• Experimental results show a dynamic range of measurements capable of adapting to varying voltage conditions.
• Assessment using optical tweezers and magnetic microparticles provides a novel approach to sensing technologies.
• This technique highlights potential advancements in sensitive electrical measurement tools, though further research is needed.