铷钟原子气室氦气渗透率实验研究

左玉龙, 李豆, 徐俊秋, 祝伟航, 王鹏飞, 明刚, 王芳, 王晨, 康松柏, 赵峰, 梅刚华

Study on Helium Permeation in Rubidium Clock’s Vapor Cell

ZUO Yulong, LI Dou, XU Junqiu, ZHU Weihang, WANG Pengfei, MING Gang, WANG Fang, WANG Chen, KANG Songbai, ZHAO Feng, MEI Ganghua

图2 Pyrex玻璃气室(a) 1号、(b) 2号、(c) 3号和(d) 4号样品在大气环境（虚线左侧）和氦气环境（虚线右侧）的铷原子钟输出频率.横坐标表示实验测试时间，纵坐标表示铷钟频率输出

Fig. 2 Rubidium atomic clock output frequency for Pyrex glass cell (a) No.1, (b) No.2, (c) No.3 and (d) No.4 in the atmospheric environment (left side of the dotted line) and the helium environment (right side of the dotted line). The x-axis indicates the test time, the y-axis indicates frequency of the rubidium clock