Force measurement goes to femto-Newton sensitivity of single microscopic particle

Xiaohe Zhang; Bing Gu; Cheng-Wei Qiu

doi:10.1038/s41377-021-00684-6

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Force measurement goes to femto-Newton sensitivity of single microscopic particle

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- Force measurement goes to femto-Newton sensitivity of single microscopic particle
- Light: Science & Applications Vol. 10, Issue 12, Pages: 2258-2260(2021)
- Affiliations：
  
  1.Advanced Photonics Center, Southeast University, Nanjing 210096, China
  2.Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117583, Singapore
- Author bio：
  
  Cheng-Wei Qiu (chengwei.qiu@nus.edu.sg)
- Funds：
- DOI：10.1038/s41377-021-00684-6
  CLC：
- Published：31 December 2021，
  
  Published Online：08 December 2021，
- Accepted：
Scan QR Code
Zhang, X. H., Gu, B. & Qiu, C. W. Force measurement goes to femto-Newton sensitivity of single microscopic particle. Light: Science & Applications, 10, 2258-2260 (2021).
DOI：

Zhang, X. H., Gu, B. & Qiu, C. W. Force measurement goes to femto-Newton sensitivity of single microscopic particle. Light: Science & Applications, 10, 2258-2260 (2021). DOI： 10.1038/s41377-021-00684-6.

摘要

Abstract

Highly sensitive force measurements of a single microscopic particle with femto-Newton sensitivity have remained elusive owing to the existence of fundamental thermal noise. Now

researchers have proposed an optically controlled hydrodynamic manipulation method

which can measure the weak force of a single microscopic particle with femto-Newton sensitivity.

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Keywords

references

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Erben, E. et al. Feedback-based positioning and diffusion suppression of particles via optical control of thermoviscous flows.Opt. Express29, 30272–30283 (2021)..

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