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可转移的微纤维激光阵列用于高灵敏度的热传感.

Jun Ruan1, Yixuan Li1, Junzhe Lin1

  • 1College of Physics and Optoelectronics, Faculty of Science, Beijing University of Technology, Beijing 100124, China. trzhai@bjut.edu.cn.

Nanoscale
|October 13, 2023
PubMed
概括

研究人员开发了一种新的微纤维激光阵列,用于高度敏感的热传感. 这种稳定,可转移的设备将等离子金纳米棒与聚合物纤维集成,用于精确的温度监测.

科学领域:

  • 材料科学 材料科学 材料科学
  • 光学和光子学 在光学和光子学.
  • 纳米技术纳米技术

背景情况:

  • 功能性微纤维提供了多种应用,包括健康监测和发光.
  • 基于聚合物纤维的微激光器由于其颜色,质量和易于制造而具有前景.
  • 开发稳定的微纤维激光器用于高灵敏度的热传感仍然是一个挑战.

研究的目的:

  • 设计和制造一种稳定,可转移的膜,配有低声画廊模式的等离子体混合微激光阵列,用于热传感.
  • 为了研究热光学效应以精确检测温度.
  • 为了实现热传感应用的高灵敏度和低检测极限.

主要方法:

  • 塑金纳米棒与聚合物激光微纤阵列的集成,嵌入聚甲基西洛 (PDMS) 矩阵.
  • 制造低声画廊模式 (WGM) 激光阵列.
  • 激光峰值转移的特征,以应对温度变化.

主要成果:

  • 实现了高质量的WGM激光阵列.
  • 在30.6°C至38.7°C的温度范围内,证明了1.462nm的激光峰值转移.
  • 获得了0.181nm/°C的热传感灵敏度,0.131°C的检测极限,以及2.961°C-1的优点数字.

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  • 由于等离子体增强的光子封闭和减少的散射损失,保持了稳定的激光线宽.

    • 结论:

    • 拟议的设计为制造高灵敏度芯片上温度计设备提供了一个简单的方法.
    • 等离子混合微激光阵列显示了先进的热传感应用的巨大潜力.
    • 塑纳米粒子和聚合物微纤维的整合提高了设备的性能和稳定性.