A new laser-based flexible humidity sensor has been developed by researchers at the University of Surrey. The sensor is made of a combination of gallium oxide (Ga2O3) and liquid metal, which enables it to be highly sensitive and flexible, making it suitable for use in a range of applications, from medical devices to smartphones. The Ga2O3-liquid metal combination has a high thermal, electrical, and optical response, allowing the sensor to detect humidity levels with a high degree of accuracy. The sensor is also capable of detecting humidity levels in the range of 0-100%, making it ideal for use in a range of settings. The sensor is also highly durable, withstanding a variety of environmental conditions, and can be used in both indoor and outdoor settings. This new technology could revolutionize the way we measure humidity levels, providing us with a more accurate and reliable way to measure the humidity in our environment.

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source: Phys.org