1. Vacuum measurement of He based on Fabry-Perot cavity and constant pressure reference. (December 2021) Authors: Jia, Wenjie; Xi, Zhenhua; Guo, Meiru; Fan, Dong; Ren, Zhengyi; Cheng, Yongjun Journal: Measurement Issue: Volume 18(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗