Challenges of an optical pressure standard in medium vacuum measurements
Challenges of an optical pressure standard in medium vacuum measurements
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中真空测量中光学压力标准的挑战
DOI:
10.1016/j.measen.2022.100371
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发表时间:
2022
期刊:
影响因子:
--
通讯作者:
Kobata Tokihiko
中科院分区:
文献类型:
--
作者:
Takei Yoshinori;Telada Souichi;Yoshida Hajime;Bitou Youichi;Kobata Tokihiko
Optical pressure standards (OPS) using Fabry-Perot (FP) cavities can measure a wide pressure range with high accuracy. National metrology institute of Japan (NMIJ) is developing an OPS for the pressure range of 1 Pa–100 kPa. In this study, the target uncertainty of the OPS, the challenges for measuring below 100 Pa, and its current specifications in the range from 10 Pa to 120 kPa are reported. In addition, the methods for solving the challenges to achieve the target uncertainty is considered.
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