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Atomic Force Microscopy

Atomic Force Microscopy

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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Updated: Jun 7, 2025

Functionalization of Atomic Force Microscope Cantilevers with Single-T Cells or Single-Particle for Immunological Single-Cell Force Spectroscopy

Functionalization of Atomic Force Microscope Cantilevers with Single-T Cells or Single-Particle for Immunological Single-Cell Force Spectroscopy

Published on: July 10, 2019

单源多轴冷原子干扰仪在厘米尺度细胞中

Yun-Jhih Chen^1,2, Azure Hansen¹, Gregory W Hoth^1,2

¹National Institute of Standards and Technology, Boulder, Colorado 80305, USA.

Physical review applied

|November 13, 2024

概括

此摘要是机器生成的。

点源原子干涉计 (PSI) 推进了多轴陀螺仪. 这种新的陀螺仪同时测量加速和平面旋转,为诸如陀螺测量等应用提供了更高的灵敏度.

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Functionalization of Atomic Force Microscope Cantilevers with Single-T Cells or Single-Particle for Immunological Single-Cell Force Spectroscopy

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科学领域:

原子物理原子物理
量子传感是一种量子感应.
在惯性导航中使用惯性导航.

背景情况:

传统的陀螺仪在灵敏度和多轴测量方面存在局限性.
原子干涉测量为高精度惯性传感提供了一个有希望的替代方案.

研究的目的:

用点源原子干涉测量 (PSI) 来描述多轴陀螺仪的灵敏度.
为了评估加速和平面旋转的同时测量能力.
确定改善陀螺仪灵敏度的途径.

主要方法:

玻璃真空电池内的冷原子的自由空间拉曼探究.
点源原子干涉计 (PSI) 技术用于测量相梯度.
同时测量拉曼激光束和平面旋转的加速度.

主要成果:

实现了0.033°/s (幅度) 和0.27° (方向) 的旋转向量测量灵敏度,平均为1s.
证明的分数加速度灵敏度为1.6 × 10-5 / √Hz.
确定了提高灵敏度的方法,包括增加审讯时间和降低噪音.

结论:

PSI可实现一个紧的多轴陀螺仪,同时测量加速和旋转.
证明的灵敏度适用于先进的应用.
对审讯时间和降噪的进一步改进可以显著提高性能.