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2025 , Vol. 43 >Issue 12: 65 - 79

DOI: https://doi.org/10.3981/j.issn.1000-7857.2025.04.00139

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Advances in quantum vacuum measurement technology

  • Yongjun CHENG ,
  • Wenjun SUN ,
  • Meng DONG ,
  • Wenjie JIA ,
  • Dong FAN
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  • National Key Laboratory on Vacuum Technology and Physics, Lanzhou Institute of Physics, Lanzhou 730000, China

Received date: 2025-04-30

  Revised date: 2025-05-22

  Online published: 2025-07-03

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Abstract

Optical vacuum measurement technology, with its remarkable advantages in expanding measurement ranges and breaking through uncertainty limitations, has emerged as a key technology supporting innovation in strategic fields such as deep space exploration, semiconductor manufacturing, and advanced equipment development. This paper initiates from the interaction mechanism between photons and gas molecules, comprehensively introducing theoretical model innovations and experimental setup breakthroughs in quantum optical methods for retrieving vacuum parameters, including Fabry−Perot cavity optical interferometry, cold atom collisional loss, and spectral absorption. It systematically reviews the latest developments from fundamental research to engineering applications by international research institutions in this field. In-depth analysis reveals existing bottleneck issues within current quantum vacuum measurement technology systems. Subsequently, potential evolution directions for quantum vacuum measurement technology are prospected through technical pathways such as quantum vacuum standard establishment and miniaturized device integration.

Key words： vacuum measurement; Fabry−Perot cavity; cold atoms; spectral absorption; quantum sensing

Cite this article

Yongjun CHENG , Wenjun SUN , Meng DONG , Wenjie JIA , Dong FAN . Advances in quantum vacuum measurement technology[J]. Science & Technology Review, 2025 , 43(12) : 65 -79 . DOI: 10.3981/j.issn.1000-7857.2025.04.00139

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