导语：“光纤温度传感器凭借其卓越的性能，如高可靠性、高绝缘性、强抗电磁干扰能力、优良重复性和快速响应速度，价格相对较低，这使得它们成为了新一代温度传感器研究与开发的热门方向之一。”在浙江省自然科学基金项目的支持下，中国计量大学赵士龙团队深入探索了利用稀土掺杂氧氟微晶玻璃光纤制备温度传感器。据悉，该课题于今年4月正式完工，并取得了一系列创新性的成果。

作为一种宝贵且广泛应用于军事、冶金工业、石油化工及玻璃陶瓷等领域的战略资源，稀土元素一直是各国关注的焦点。如何有效地利用稀土并拓展其应用领域，是近年来科研人员持续探索的问题。在浙江省自然科学基金项目资助下，中国计量大学赵士龙团队致力于研究使用稀土掺杂氧氟微晶玻璃光纤制作温度传感器。该课题已于今年4月圆满完成，并取得了显著进展。

赵士龙教授指出，尽管目前市场上已经存在多种类型的温度传感器，如热电偶和热电阻，以及辐射型温标等，但这些传统设备在某些特殊环境中或特定行业中的适用范围有限。此外，在科技前沿领域，对精确控制和监测温度需求日益增长，因此常规温测技术无法完全满足各种场景下的要求。

"相比那些普通的temperature sensors, fiber optic temperature sensors boast a plethora of advantages, including high reliability, excellent insulation properties, strong resistance to electromagnetic interference, superior repeatability and quick response times. They are particularly well-suited for harsh environments such as high current flow zones or areas with intense magnetic fields," Zhao explains.

In the project led by Zhao's team at China's Zhejiang University, researchers focused on developing a novel type of optical fiber temperature sensor using rare earth-doped oxyfluoride microstructured glass fibers. By optimizing the composition and processing techniques for these materials, they successfully created highly transparent rare earth-doped oxyfluoride microstructured glass fibers that can be used as the basis for advanced optical temperature sensing devices.

"This research has not only expanded our understanding of how different components in these glasses affect their thermal sensitivity but also provided valuable insights into designing new types of optically based temperature sensors," Zhao notes.

The project has resulted in 13 SCI papers published to date, including five articles in top-tier journals. The team has also been granted three patents and trained five graduate students during the course of their work. Moreover, Zhao himself was selected as one of Zhejiang Province's young science leaders and received an Outstanding Young Teacher Award from Zhejiang Province in 2018.