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Atomic Force Microscopy01:08

Atomic Force Microscopy

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Atomic force microscopy (AFM) is a type of scanning probe microscopy that can analyze topographic details of various specimens like ceramics, glass, polymers, and biological samples. AFM offers over 1000 times more resolution than the optical imaging system. Images generated from AFM are three-dimensional surface profiles, offering an advantage over the flat, two-dimensional images from other imaging techniques.
The AFM Probe
The probe is regarded as the heart of any AFM setup and comprises the...
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Fabrication and Testing of Microfluidic Optomechanical Oscillators
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基于单模环共振器的光机械传感器,用于先进的原子力传感.

Yide Zhang1,2,3, Artem S Vorobev2,3, Savda Sam1,2,3

  • 1Institute of Chemical Technologies and Analytics, TU Wien, Vienna 1060, Austria.

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概括

我们开发了一种用于原子力显微镜 (AFM) 的新型单模环共振器光机械传感器. 这种紧的,在绝缘体上的设备提供了增强的模式稳定性和高精度的力传感能力.

关键词:
原子力显微镜 (AFM) 的应用移位密集化是指移位密集化的情况.强力传感传感器是什么?这是一个光机械传感器.环形共振器的共振器是一个环形共振器.光子学是一种光子学.

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科学领域:

  • 纳米技术纳米技术
  • 视觉机械学 视觉机械学
  • 材料科学 材料科学 材料科学

背景情况:

  • 原子力显微镜 (AFM) 的性能受到悬臂约束的限制.
  • 现有的光机传感器面临着模式稳定性和复杂的光学响应方面的挑战.

研究的目的:

  • 开发一个紧而高效的基于环共振器的单模式光学机械传感器.
  • 为了克服传统AFM传感器的局限性,提高性能.

主要方法:

  • 使用在绝缘体 (SOI) 平台为单模环共振器.
  • 与光机械传感器集成了一个图形图尺度的悬臂.
  • 实现可调节的机械共振频率和可调节的刚度.

主要成果:

  • 异常的位移分辨率为6.7 × 10-16 m/Hz1/2.
  • 强力检测限制降至5.0 × 10-14 N.
  • 实验结果与理论预测之间有很强的一致性.

结论:

  • 单模光机械传感器为AFM提供了一个稳定,高灵敏度的平台.
  • 为传统的光学检测方法提供了一个紧,可扩展和精确的替代方案.
  • 实现下一代纳米级传感和AFM应用程序,具有可调节的性能.