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Advances in anti-relaxation coatings of alkali-metal vapor cells

机译：碱金属蒸气电池防松弛涂层的研究进展

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摘要

Sensitivity of the precise measurement based on interaction between light and atoms can be improved by prolonging spin-polarization lifetime of alkali-metal atoms. However, spin-polarized alkali-metal atoms can be completely depolarized by wall relaxation caused by collisions between spin-polarized atoms and bare glass cell walls. Anti-relaxation coatings show great potentials to prevent wall relaxation. In this review, we summarize the state-of-the-art materials for anti-relaxation coatings, including straight-chain alkanes, alkenes, and organochlorosilanes. Fabrication processes of alkali-metal vapor cells with different anti-relaxation coatings are also thoroughly reviewed, including cleaning, coating, chasing, and ripening. Characterizations of anti-relaxation coatings are highlighted, such as physical parameters of spin-polarized atoms, surface composition, and surface morphology. The research challenges and perspectives on anti-relaxation coatings for alkali-metal vapor cells are also discussed.
机译：通过延长碱金属原子的自旋极化寿命，可以提高基于光和原子之间相互作用的精确测量的灵敏度。然而，自旋极化的碱金属原子可以通过自旋极化的原子与裸玻璃电池壁之间的碰撞所引起的壁弛豫而完全去极化。抗松弛涂层显示出防止壁松弛的巨大潜力。在这篇综述中，我们总结了抗松弛涂料的最新材料，包括直链烷烃，烯烃和有机氯硅烷。还对具有不同抗松弛涂层的碱金属蒸气电池的制造过程进行了彻底的审查，包括清洁，涂层，追逐和熟化。重点介绍了抗松弛涂层的特性，例如自旋极化原子的物理参数，表面成分和表面形态。还讨论了碱金属蒸汽电池防松弛涂层的研究挑战和前景。

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  • 来源
    《Applied Surface Science》 |2020年第31期|143897.1-143897.15|共15页
  • 作者

    Chi Haotian; Quan Wei; Zhang Junying; Zhao Lijiang; Fang Jiancheng;

  • 作者单位

    Beihang Univ Sch Instrumentat & Optoeletron Engn Beijing 100191 Peoples R China|Beihang Univ Shen Yuan Honors Coll Beijing 100191 Peoples R China;

    Beihang Univ Sch Instrumentat & Optoeletron Engn Beijing 100191 Peoples R China|Beihang Univ Innovat Res Inst Frontier Sci & Technol Beijing 100191 Peoples R China|Beihang Univ Adv Innovat Ctr Biomed Engn Beijing 100191 Peoples R China|Beijing Acad Quantum Informat Sci Beijing 100191 Peoples R China;

    Beihang Univ Dept Phys Key Lab Micronano Measurement Manipulat & Phys Minist Educ Beijing 100191 Peoples R China;

    Beihang Univ Sch Instrumentat & Optoeletron Engn Beijing 100191 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Anti-relaxation coatings; Alkali-metal vapor cells; Surface composition; Surface morphology;

    机译：防松弛涂料;碱金属蒸气池;表面成分表面形态;

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