Improvement of the spin polarization lifetime in the 85Rb vapor cell by octadecyltrichlorosilane coating
作者: S.M.H. KhalkhaliM. RanjbaranD. MofidiS.M. HamidiM.M. Tehranchi
作者单位: 1Physics Department, Kharazmi University, Tehran, Iran
2Laser and Plasma Research Institute, Shahid Behehshti University, Tehran, Iran
3Physics Depatrment, Shahid Behehshti University, Tehran, Iran
刊名: Chinese Journal of Physics, 2017, Vol.55 (2), pp.301-309
来源数据库: Elsevier Journal
DOI: 10.1016/j.cjph.2016.10.023
关键词: Optical pumpingPolarized atomsAntirelaxation coatingPolarization lifetime
原始语种摘要: Abstract(#br)Effective surface coatings allow for long spin polarization in alkali metal cells, suppressing the magnetic field gradient effect and providing an improvement in atomic magnetometer sensitivity. In this work, the effect of an octadecyltrichlorosilane (OTS) surface coating on the longitudinal and transverse spin polarization lifetime of an optically pumped 85 Rb vapor cell has been studied. Our results showed that the spin polarization lifetime significantly increased in the OTS lined cell compared to the unlined cell. The relaxation rate due to alkali metal atoms wall collisions and the magnetic field gradient has been decreased by using an OTS surface coating. A longer spin polarization lifetime in the lined cell causes a narrower magnetic resonance line width and...
全文获取路径: Elsevier  (合作)

  • polarization 极化
  • lifetime 寿命
  • coating 覆盖层
  • lined 有衬里的
  • magnetometer 地磁仪
  • vapor 
  • pumping 抽运
  • OTS Object Time System
  • improvement 改良
  • narrower 收针装置