Ultra-stable pressure is realized for Chinese single pressure refractive index gas thermometry in the range 30-90 kPa

Affiliations

• ¹ School of Mechanical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China; TIPC-LNE Joint Laboratory on Cryogenic Metrology Science and Technology, Chinese Academy of Science (CAS), Beijing 100190, China.
• ² TIPC-LNE Joint Laboratory on Cryogenic Metrology Science and Technology, Chinese Academy of Science (CAS), Beijing 100190, China; Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry (TIPC), Chinese Academy of Sciences (CAS), Beijing 100190, China. Electronic address: bgao@mail.ipc.ac.cn.
• ³ Key Laboratory of Thermo-Fluid Science and Engineering of MOE, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China; TIPC-LNE Joint Laboratory on Cryogenic Metrology Science and Technology, Chinese Academy of Science (CAS), Beijing 100190, China.
• ⁴ Laboratoire national de métrologie et d'essais-Conservatoire national des arts et métiers (LNE-Cnam), La Plaine-Saint Denis F93210, France; TIPC-LNE Joint Laboratory on Cryogenic Metrology Science and Technology, Chinese Academy of Science (CAS), Beijing 100190, China.
• ⁵ TIPC-LNE Joint Laboratory on Cryogenic Metrology Science and Technology, Chinese Academy of Science (CAS), Beijing 100190, China; Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry (TIPC), Chinese Academy of Sciences (CAS), Beijing 100190, China.
• ⁶ Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry (TIPC), Chinese Academy of Sciences (CAS), Beijing 100190, China; University of Chinese Academy of Sciences, Beijing 100490, China; TIPC-LNE Joint Laboratory on Cryogenic Metrology Science and Technology, Chinese Academy of Science (CAS), Beijing 100190, China.
• ⁷ School of Mechanical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China.
• ⁸ Key Laboratory of Thermo-Fluid Science and Engineering of MOE, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China.
• ⁹ Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry (TIPC), Chinese Academy of Sciences (CAS), Beijing 100190, China; University of Chinese Academy of Sciences, Beijing 100490, China; TIPC-LNE Joint Laboratory on Cryogenic Metrology Science and Technology, Chinese Academy of Science (CAS), Beijing 100190, China. Electronic address: ecluo@mail.ipc.ac.cn.