Researchers at the Korea Advanced Institute of Science and Technology (KAIST) have developed a wearable strain sensor based on the modulation of optical transmittance of a carbon nanotube (CNT)-embedded elastomer.
The sensor can complete sensitive, stable, and continuous measurements of physical signals.
The optical strain sensor is based on the light transmittance changes of a CNT-embedded elastomer; the technology addresses the low sensitivity problem of conventional optical stretchable strain sensors.
Said KAIST's Inkyu Park, "Our group developed a new wearable strain sensor platform that overcomes many limitations of previously developed resistive, capacitive, and optical-type stretchable strain sensors. Our sensor could be widely used in a variety of fields, including soft robotics, wearable electronics, electric skin, healthcare, and even entertainment."
From KAIST College of Engineering
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